Web engineer jobs in United Kingdom - Page 3

We’re building the next generation of merchant-first digital solutions and we’re looking for a Senior Software Engineer to help shape it. You’ll join a small, empowered team that values innovation, collaboration, and real-world impact. What You’ll Do • Design and develop backend, service, and portal systems for our payment platform., • Use modern practices such as BDD and CI/CD to deliver secure, high-quality solutions., • Collaborate across teams to solve real business challenges and improve our development processes., • Work through the full lifecycle — from requirements to release - with freedom and accountability. What You’ll Bring • 5–7 years’ experience in software engineering, with a degree in Computer Science or related field., • Strong skills in C# or Java, plus experience in database design and web technologies (HTML, JavaScript, CSS)., • Solid understanding of OO design, design patterns, and server-side development., • A proactive, detail-oriented, and collaborative mindset.

Senior Frontend Developer (React) – Series A GenAI Security Scale-up 🔐 💰 Salary: £120,000 - £135,000 (DOE) + equity + benefits 📍 Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their mission of helping companies adopt Generative AI safely and securely. They are building a developer-first platform that enables data protection without complexity - redefining security for the GenAI era. This is a rare chance to join at a pivotal time as they scale their infrastructure across regions, including a full US AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. ⭐ They are looking for a Senior React Engineer with the following: • Senior hands-on React experience in a product-focused SME, • Strong design skills and background with TypeScript, HTML and CSS, • Ability to work independently and own projects, • Background in fast-paced environments – scale-ups or consultancies preferred, • A passion for solving complex UX/UI challenges, • Nice to have: experience with Figma and component-based design systems (Storybook) 💻 Tech: React, TypeScript, Figma, Storybook, Git, CI/CD You’ll work closely with a highly technical Senior React Engineer to strengthen and scale their high-performance web applications. If you're excited about working in a collaborative team, rolling up your sleeves in an early-stage environment and building the backbone of a secure, GenAI-first platform - this one’s for you. Apply now to learn more 🚀

Site Reliability Engineer UK (Remote) 6 Month Contract An excellent contract opportunity for a skilled Site Reliability Engineer to join a forward-thinking technology company. This is a trusted, high-impact engineering environment where a Site Reliability Engineer will be given real ownership, solving complex problems and building systems that directly accelerate software delivery at scale. As a Site Reliability Engineer, you’ll focus on creating and improving the platforms, tools, and services that support modern web engineering. Your work will cover everything from building new environments and optimising CI/CD pipelines to enhancing observability, monitoring, and runtime systems. The goal is clear: empower web engineers to ship products faster, with greater reliability and security. This role is hands-on and goes far beyond maintenance. The Site Reliability Engineer will collaborate closely with product and engineering teams across the stack, driving improvements to developer experience, testability, and distributed system resilience. Clean, maintainable code, strong security practices, and expertise in modern cloud infrastructure are essential. Site Reliability Engineer – Key Skills & Experience: • Solid experience in platform, SRE, or backend-focused roles, • Strong coding ability in Go, Java, or Python (for building tooling and services), • Proven expertise with AWS, including CloudFront and related web application services, • Track record of designing and maintaining CI/CD pipelines, • Hands-on experience with infrastructure-as-code (e.g. Terraform), • Deep understanding of security best practices in cloud and application delivery, • Exposure to observability tooling (Prometheus, Grafana, structured logging, etc.), • Confident debugging and resolving issues in complex distributed systems, • Background in B2B SaaS web applications, with familiarity in Node a plus, • Able to operate autonomously within small, high-impact engineering teams, • Bonus: Kafka, gRPC, or open-source contributions If you’re a Site Reliability Engineer looking for a challenging contract role where you can have real impact on developer productivity, delivery speed, and system reliability, apply today. Interviews are being scheduled quickly. We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion/belief, sexual orientation, or age.

NetSuite Developer – NetSuite, SuiteCommerce Advanced, SCA, Customisation, Technical Consultant, Developer, Web Developer, Systems Engineer, Software Engineer, SuiteScript, API, PHP, Systems Developer, JavaScript - London, Manchester, Hampshire, Surrey, Midlands, Yorkshire Our client, a NetSuite partner, is seeking a NetSuite Developer to join their well-established development team to assist with their ever growing pipeline. The successful candidate will have a solid understanding around SuiteScript, customisations and integrations and be keen on developing their career into a senior NetSuite technical professional. My client will offer training and support where required, the chance to work alongside other senior technical resources whilst also being able to gain your NetSuite certifications. The role will be a UK-based, fully remote position. Key Skills: • Experience within a NetSuite development role, • Experience in integrating ERP with external portals and back-office systems, • SuiteScript 2/2.1 experience Desirable: • Experience of Scheduled Scripts and/or Map-Reduce, • Experience of Client Script, Event Script, SuiteLet, RESTLet, and Workflow, • Suitecommerce advanced exposure Responsibilities: • Updating, repairing, modifying and developing existing software and generic applications, • Develop from detailed specification through discussion with clients, • Working as part of a team, which may be established purely for a project, • Adapting to new customer requirements, • Consulting manuals, periodicals and technical reports to learn new ways to develop programs and maintain existing skills and knowledge Benefits: • 25 days annual leave increasing by 1 day per full year employment up to 30 days (Plus 8 bank holidays), • Benenden Health Cash Plan, • Work from home allowance, • 4% Pension Contributions, • Flexible Working hours, • Full access to online NetSuite training courses Location: UK Remote Candidates must be eligible to work in this country. Catch Resource Management is a leading provider of Dynamics 365, JD Edwards, NetSuite, EPM and other ERP resources to both end users and to product suppliers/authors. Our consultants deliver a completely professional resourcing service, always backed up by our team of ERP specialists who are all experienced in full project life cycle implementation and support, thus ensuring that we fully understand our clients’ requirements and our candidates’ skills. If you have the relevant skills and experience for this position we would welcome your application, however please note that we receive high levels of responses to our advertisements so can only immediately respond to those that are a close match. However, if you are interested in hearing about similar positions then please register on our website: .

Contract Snr .NET Engineer – £650-£750/day (OUTSIDE IR35) – Hybrid A fast-growing and tech-forward financial services provider is looking for a number of Senior Contract .NET Engineers. This organisation uses a highly flexible, scalable digital credit engine that powers over 100 million transactions every year, supporting millions of customers. This is a fantastic opportunity to join a company where engineering is at the heart of innovation, and where your contributions will directly shape the customer experience and platform capabilities. What You’ll Do • Collaborate with a talented team of engineers to design and deliver new platform capabilities, • Take a hands-on role in programming, pair programming, testing, and releasing features, • Actively participate in agile ceremonies, • Work closely with a technical lead to enhance shared infrastructure for use across teams Your Skills & Experience • Proven experience building modern .NET applications with C# 7+ (.NET Core/6+), • Hands-on experience with Azure Cloud Services, • Expertise in designing robust HTTP APIs (ASP.NET MVC, Web API, Carter, Nancy), • Familiarity with Platform-as-a-Service (PaaS) environments, • Solid understanding of Event-Driven Architecture and Event-Sourced Systems, • Experience with Domain Driven Design (DDD), • Comfort working in fast-paced agile environments and applying Continuous Delivery practices, • Experience working with distributed and scalable databases, • Knowledge of Event Storming for architectural documentation Contract Snr .NET Engineer – £650-£750/day (OUTSIDE IR35) – Hybrid

Senior Frontend Software Engineer (AI Cloud Platform) – Remote Location: Fully Remote Type: Full-Time Hours: Flexible- willingness to work late evenings and occasional weekends as required Salary: Competitive, based on experience About the Role We are seeking a highly skilled Senior Frontend Software Engineer to join our dynamic team building a next-generation AI Cloud Platform. This role is ideal for an experienced engineer who thrives in a fast-paced, innovative environment and has a passion for delivering high-performance, scalable front-end solutions that push the boundaries of AI-driven user experiences. You’ll work closely with cross-functional team-including AI Engineers, Product Designers, and Technical Leads-to design and develop intuitive, efficient, and engaging user interfaces for cutting-edge AI applications. Key Responsibilities • Design, develop, and maintain responsive front-end applications for AI-powered cloud platforms, • Collaborate with AI and backend teams to integrate intelligent, real-time data interactions, • Optimize web performance and ensure best practices in Core Web Vitals, • Implement clean, scalable, and maintainable code following modern engineering standards, • Contribute to UI/UX decisions to enhance user experience in AI-driven environments, • Support project milestones, with flexibility to work extended hours when needed to meet critical deadlines Requirements • Proven experience as a Senior Frontend Engineer or similar role, • Strong proficiency in React, HTML, CSS, Tailwind CSS, Node.js, and TypeScript, • Experience with AI-based interfaces and front-end AI interactions, • Familiarity with Mastra and cloud-based development environments (AWS preferred), • Understanding of AI streaming technologies and real-time data rendering, • Excellent problem-solving skills and attention to detail, • Ability to work collaboratively in a fully remote, fast-paced environment Nice to Have • Experience with Large Language Models (LLMs), • Background in AI product engineering or cloud platform development, • Interest in emerging AI technologies and their front-end applications Why Join Us? • Work on pioneering AI projects with a talented global team, • 100% remote flexibility, • Opportunity to influence the direction of next-generation AI platforms, • Collaborative and innovative work culture If you’re a forward-thinking engineer with a strong passion for AI-driven technologies and front-end excellence, we’d love to hear from you. Apply now and be part of shaping the future of AI experiences.

An excellent opportunity to join a home grown success story and award-winning SaaS company headquartered in Belfast. My client is currently seeking Senior Full-Stack Engineer to join their growing development team. The business builds intelligent, high-impact web applications that power workforce management across multiple industries and has gained recognition for innovation, employee growth, and product excellence. What’s on Offer • Salary: Up to £70,000 DOE, • Full Flex Hybrid working – work from anywhere in the UK or Ireland, with modern offices in Belfast HQ, • Benefits package, • Award-winning employer with a culture focused on collaboration, wellbeing, and continuous improvement, • Career progression and Skill Up opportunities What You’ll Need • Proven experience as a Senior Software Developer or similar, delivering scalable web or mobile applications, • Strong background in PHP / .NET, JavaScript / and SQL or similar, • Experience working with modern frameworks (e.g., React, Angular, or similar), • Knowledge of RESTful APIs, cloud environments (Azure/AWS), and Agile development practices, • Experience with Laravel is highly desirable, • A passion for clean, maintainable code and continuous technical learning O.K. I'm in what's next? Apply with your latest CV below

🚀 Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems, resilience, and clean architecture — this is your next challenge. 🌍 Location & Flexibility Work remotely from anywhere in the UK, with the option to use a London office when you prefer in-person time. Team meetups are planned in advance, flexibility is the default. 💡 Required Experience • 10+ years’ experience as a Java Backend Engineer / Senior Java Developer, • Proven track record building and scaling Kafka-based architectures in production, • Deep expertise with Spring Boot (Security, Web, and Data modules), • Experience designing and maintaining event-driven systems with high throughput and reliability, • Strong understanding of observability, availability, and resilience, • Experience working in security-conscious, regulated, or mission-critical domains, • Skilled with CI/CD pipelines, Infrastructure-as-Code, and containerized environments (Docker, Kubernetes), • Experience integrating with AI development tools such as Copilot, Cody, or Augmentcode 🌟 Nice to Have • Experience designing or contributing to messaging or synchronization systems, • Familiarity with zero-trust architectures or encrypted transport frameworks 💥 Why Join • Build real-world impact systems for secure, distributed operations, • Join a high-trust, collaborative engineering culture, • Work with cutting-edge tech in real-time and AI-integrated environments, • Enjoy remote flexibility, competitive pay, and equity options Ready to build something that matters? At Pixelated People, we don’t just do inclusion and diversity. We embrace people that have different opinions, perspectives and personalities. Because we believe that by seeing the world from all sorts of angles, we can make life better for all the people who live in it. So we want you to know that the things that make you, you — like your age, ability, background and identity — are things that we celebrate and support.

Full Stack Software Engineer (Mobile Apps – React Native / Flutter / Python) Location: Remote (UK-based) Employment Type: Permanent We’re seeking a Full-Stack Engineer to help build seamless, high-performance experiences across web and mobile (iOS + Android), powered by a secure, scalable Python backend on Google Cloud Platform. You’ll join a small, mission-driven team working at the intersection of AI, human behaviour, and wellbeing, turning advanced technology into something genuinely meaningful. What You’ll Do • Build and maintain cross-platform applications using React Native or Flutter, and modern web apps with Next.js., • Design and develop backend APIs and services in Python using FastAPI or Flask., • Integrate with GCP components like Cloud Run, Firestore, BigQuery, Vertex AI, and Google ADK., • Collaborate closely with product, design, and AI/ML teams to deliver intelligent, human-centred experiences powered by a multi-agent AI engine., • Write clean, modular, testable code in TypeScript and Python., • Optimize performance, scalability, and security across all platforms., • Support CI/CD and observability through Cloud Build, Docker, and Cloud Logging., • Contribute to architecture discussions and help shape the evolving product roadmap. What You Bring • 5+ years of experience as a full-stack software engineer., • Strong skills in TypeScript/JavaScript and Python., • Proven experience building React Native or Flutter/Dart apps for iOS and Android., • Proficiency with React / Next.js for web applications., • Backend expertise with FastAPI, Flask, or Django, plus solid database knowledge., • Hands-on experience with GCP (Cloud Run, Firestore, BigQuery, Vertex AI)., • Understanding of RESTful APIs and GraphQL., • Familiarity with Docker, CI/CD pipelines, and Git workflows., • Working knowledge of testing frameworks like Jest, Playwright, or Pytest. Bonus Points • Interest in AI, LLMs, or agentic architectures., • Experience integrating wearables, IAM, or third-party APIs., • Understanding of data privacy and compliance (GDPR, ISO27001)., • Appreciation for UX, accessibility, and emotionally intelligent design., • Background in startups or product-led small teams.

Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health Applications & Infrastructure. This team focuses on product development and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a world class engineering center with the focus on excellence. At Oracle Health, our mission is to improve healthcare and quality of life globally through better experience and easier access to health and research data for patients and healthcare providers. We are looking for hands-on engineers with expertise and passion in solving difficult problems in all areas of software engineering: distributed systems, identity, security, observability, and user experience. This is a greenfield opportunity to design and build new cloud-centric applications from the ground up. We are growing fast, still at an early stage, and working on ambitious new initiatives. An engineer at any level can have significant technical and business impact here. You will be part of a team of smart, motivated, diverse people, and given the autonomy as well as support to do your best work. It is a dynamic and flexible workplace where you’ll belong and be encouraged. Who are we looking for? We are looking for full-stack engineers with distributed systems experience. You should have experience with the design of major features and launching them into production. You’ve operated or supported high-scale services and understand how to make them more resilient. You work on most projects and tasks independently, but are keen to collaborate and be part of a team. You are technically strong and get a lot done – you’ve worked on highly available, scalable, and redundant services. You’ve built rich tools and web apps for use by your team and other internal customers. You have experience with tools like Splunk, Elasticsearch, Logstash, and Kibana. You understand that simple systems are easier to operate and fix. You can balance speed and quality with iteration and incremental improvements. You’ve made life easier for other developers and have motivated your teams to make both process and service improvements with your ability to automate and instrument properly to get the right data. You understand operational excellence and how to instill a culture of being dedicated with your teammates. You will produce key features and improvements. You understand that software is living and needs investment. The challenge is making the right trade-offs, communicating those decisions effectively, with crisp execution. Qualifications • 4+ years of full-stack software development experience, • Working knowledge in Java, C++, C#, or similar OO language, • Experience developing customer-focused architectures and restful web services, • Work with modern Javascript libraries and frameworks such as React, Angular, and Bootstrap, • Experience driving security reviews, documentation, UX reviews, and working with Product Managers, • Experience with at least one scripting language for automating tasks, proof of concept work, or command line tools Preferred Qualifications • Experience using AI tooling (e.g. Cline), • Experience developing AI-powered product features designed to delight the customer, • Building CI/CD pipelines with robust testing and deployment schedules, • Hands-on experience developing services on a public cloud platform (e.g., AWS, Azure, Oracle), • Experience in Devops, • Work with large volumes of data and logging, understanding of key performance indicators and how to dig into them, • Compliance and auditing experience from a regulated industry Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans status or any other characteristic protected by law.

Applied Machine Learning Engineer - London (Hybrid) - £60,000 I’m working with a fast-growing, founder-led start-up that’s on a mission to make digital ads actually enjoyable — tackling one of the biggest challenges in adtech: building a higher-quality, more intelligent ad-funded internet. They’re now hiring their first ever Applied Machine Learning Engineer — someone curious, hands-on, and ready to own all things ML from day one. What you’ll be doing: • Building and deploying applied ML systems that make the product smarter and more defensible, • Developing contextual categorisation of web content, • Prototyping algorithms to optimise ad performance and bidding logic, • Applying modern LLM techniques — from prompt engineering to retrieval-augmented generation (RAG), • Working cross-functionally with engineers, product and commercial teams to bring ideas to life What they’re looking for: • 1–3 years’ experience in applied ML/AI (or equivalent projects), • Strong Python skills with PyTorch, Hugging Face or scikit-learn, • Experience experimenting with LLMs (fine-tuning, embeddings, prompt chaining etc.), • A passion for turning messy real-world data into something powerful and production-ready, • Excitement about being the first ML hire in a scaling start-up environment Why you’ll love it: • Real ownership from day one — build, shape and scale the ML function, • Hybrid setup (London-based, flexible culture), • 33 days holiday + Christmas shutdown, • Private medical, pension, socials, offsites & more If you’re ready to apply your ML skills in a high-impact, creative environment — where ideas move from concept to production fast — I’d love to chat. Applied Machine Learning Engineer - London (Hybrid) - £60,000

Senior Full-Stack Developer | Symfony & Angular | Rapidly Expanding Tech Company My client is seeking a Senior Developer with a passion for PHP Symfony & Angular to join their team. You'll be a key contributor to engineering efforts, working closely with our leadership to enhance and scale the core platforms. This is a hands-on position where you'll solve complex technical challenges and play a vital role in our continued growth. What you'll do: • Develop and Maintain: Write clean, efficient code for our core platforms built on PHP Symfony., • Collaborate and Mentor: Work alongside the development team, sharing knowledge and helping to promote best coding practices., • Solve Complex Problems: Address environment issues and platform challenges, and contribute to the design of a scalable, modular architecture. What we're looking for: • Proven experience as a senior developer with deep expertise in PHP Symfony & Angular, not looking for a Laravel focussed Engineer., • Experience with complex, high-traffic web platforms., • A strong understanding of platform stability, resilience, and security best practices., • Knowledge of monitoring tools and production support processes., • A collaborative mindset and a desire to contribute to a high-performance culture. If you are a talented and experienced developer looking to make a significant impact on a growing business, we encourage you to apply.

Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the discovery and development of groundbreaking vaccines and medicines. We are transforming the landscape of medical research by integrating cutting-edge science and technology and harnessing the power of genetics and new data. By fostering a collaborative environment that unites the talents of our people, we are revolutionizing R&D to pre-empt and defeat diseases. Join us in our commitment to uniting science, technology, and talent to get ahead of disease together. Role/Project Overview At GSK we see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost with fewer side effects. It is an ambitious vision that will require the development of products and solutions at the cutting edge of Machine Learning and AI, as well as extensive safety and robustness evaluations. We’re looking for a highly skilled full stack engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of generative AI for drug discovery in a fast-paced environment, with a focus on impact and in collaboration with a large team. Our leaders will be committed to your career and development from day one. Key Responsibilities • Backend development of generative AI evaluations for a Python web application., • Integration of AI/ML components with frontend, backend, data and compute infrastructure., • Responsible for high quality software implementations according to best practices, including automated test suites and documentation., • Participate in code reviews, continuously improving personal standards as well as the wider team and product., • Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products., • Deliver ML- and data-driven insights on GenAI datasets. Minimum Qualifications • A degree in a quantitative or engineering discipline (e.g., computer science, computational biology, bioinformatics, engineering, among others); OR equivalent work experience as a professional ML engineer or data scientist., • Strong skills in Python, with experience in backend development and unit testing., • Knowledge of generative AI, specifically Large Language Models., • Knowledge of agile practices and able to perform in agile software development environments., • Strong knowledge of modern software development tools / ways of working (e.g. git/GitHub, DevOps tools for deployment) – should be able to show practice of commit early and deploy often. Preferred Qualifications • Experience with safety and/or robustness evaluations of generative AI, e.g. defining guardrails, red teaming or persona-based evaluations., • Knowledge of AI/ML approaches and deployment of AI/ML powered applications – especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen),, • Knowledge of AI/ML evaluation and benchmarking approaches, experience with iterative improvement of AI/ML models and products., • Research experience (e.g., Master’s project, internship at research organization)., • Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure. Why GSK? Uniting science, technology and talent to get ahead of disease together. GSK is a global biopharma company with a special purpose – to unite science, technology and talent to get ahead of disease together – so we can positively impact the health of billions of people and deliver stronger, more sustainable shareholder returns – as an organisation where people can thrive. We prevent and treat disease with vaccines, specialty and general medicines. We focus on the science of the immune system and the use of new platform and data technologies, investing in four core therapeutic areas (infectious diseases, HIV, respiratory/ immunology and oncology). Our success absolutely depends on our people. While getting ahead of disease together is about our ambition for patients and shareholders, it’s also about making GSK a place where people can thrive. We want GSK to be a place where people feel inspired, encouraged and challenged to be the best they can be. A place where they can be themselves – feeling welcome, valued, and included. Where they can keep growing and look after their wellbeing. So, if you share our ambition, join us at this exciting moment in our journey to get Ahead Together. Inclusion at GSK GSK is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive equal consideration for employment without regard to race, color, national origin, religion, sex, pregnancy, marital status, sexual orientation, gender identity/expression, age, disability, genetic information, military service, covered/protected veteran status or any other federal, state or local protected class. If you need any adjustments in the recruitment process, please get in touch with our Recruitment team () to further discuss this today. Important notice to employment businesses/agencies GSK does not accept referrals from employment businesses and/or employment agencies in respect of the vacancies posted on this site. All employment businesses/agencies are required to contact GSK's commercial and general procurement/human resources department to obtain prior written authorization before referring any candidates to GSK. The obtaining of prior written authorization is a condition precedent to any agreement (verbal or written) between the employment business/ agency and GSK. In the absence of such written authorization being obtained any actions undertaken by the employment business/agency shall be deemed to have been performed without the consent or contractual agreement of GSK. GSK shall therefore not be liable for any fees arising from such actions or any fees arising from any referrals by employment businesses/agencies in respect of the vacancies posted on this site. Please note that if you are aUS Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, GSK may be required to capture and report expenses GSK incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure GSK’s compliance to all federal and state US Transparency requirements. For more information, please visit GSK’s Transparency Reporting ___ site.

Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Ki’s teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. What’s the role? Our broker platform is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Staff Software Engineer to join our Engineering team. You will provide technical leadership for both delivery squads and the wider engineering organisation. Along with our engineering leadership, you’ll champion engineering excellence and high standards of quality through an environment of continuous improvement. You will be hands-on, directly delivering new impactful software. You will be able to propose, design, and execute initiatives independently, leading colleagues to deliver on these goals. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications, • Design, build, test, document and maintain API’s and integrations, • Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams, • Ensure quality control using industry standard techniques such as automated testing, pairing, and code review, • Work with the Product team to understand end-user requirements and translate them into an effective technical solution, • Document technical design and analysis work, • Assess current system architecture and identify opportunities for growth and improvement, • Build mock-ups or prototypes to explore and troubleshoot new initiatives, • Explore new ideas and emerging technologies, develop prototypes quickly, • Uphold and advance the wider engineering team’s principles and ways of working, • Promote a culture of continuous improvement, positively influence current ways of working, leading by example, • Serve as a domain expert in many of Ki’s core technologies, • Mentor and coach colleagues in both engineering and business domain subjects towards building their own abilities and skills · Opinionated regarding system architecture, able to suggest improvements and changes required to support delivery of new functionality, where required Required Skills and Experience: • Experience as a senior level engineer working across a modern web stack, • Strong software engineering principles (SOLID, DRY, ER modelling), • Professional experience with a server-side language, ideally JVM based, • Comfortable working with cloud infrastructure, infrastructure as code, familiar with standard logging and monitoring tools used to investigate issues, • Experience with continuous integration, or ideally, continuous delivery, • Strong familiarity with build tools (e.g. Maven) and version control tools (e.g. Git/Github), • Experience working in agile teams, following Scrum or Kanban, participating in regular ceremonies including stand-ups, planning, and retrospectives, • Experience using project management and workflow tools (e.g. Jira), • Previous experience of software development in the financial markets, Fintech or Insurtech is preferable Our culture Inclusion & Diversity is at the heart of our business at Ki. We recognise that diversity in age, race, gender, ethnicity, sexual orientation, physical ability, thought and social background bring richness to our working environment. No matter who you are, where you’re from, how you think, or who you love, we believe you should be you. You’ll get a highly competitive remuneration and benefits package. This is kept under constant review to make sure it stays relevant. We understand the power of saying thank you and take time to acknowledge and reward extraordinary effort by teams or individuals. If this sounds like a role and a culture that appeals to you, please apply.

Senior Software Engineer Key Technologies: C#, .NET, React, AWS, Docker, Kubernetes City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a well-established, dynamic environment. Key responsibilities: • Immediate contribution to design, coding, and testing of modern web applications., • Design and development of applications used both internally and externally., • Consistently suggesting and implementing new and innovative ideas., • Build meaningful relationships quickly and effectively, collaborating with insight and agility. Benefits: • Fully funded learning and certifications., • Private medical insurance., • Pension scheme., • Hybrid working in Central London., • Excellent salary base of up to £120,000 based on experience. Key skills, experience and qualifications required: • Excellent knowledge and experience with C#, .NET and React.., • Experience with cloud technology – specifically AWS., • Knowledge of TDD/BDD., • Excellent communication skills., • Unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience and commercial use of React having a direct impact from the get-go. Apply below and if you have any questions, please contact me via LinkedIn or email – .

Develop Web Trading Applications using ReactJS, Cypress, Jest, React Testing Library, Jenkins, React Hooks. Senior Frontend Engineer (React. I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems.

We’re looking for a skilled engineer with strong experience in.The ideal candidate will combine.Design, implement, and maintain.API, web service, and data access.OAuth, LDAP, SAML, certificates, etc.Develop, test, and optimise data flows, ensuring.Troubleshoot DataPower and mainframe data connecti

Senior Software Engineer Location: Remote with Sheffield HQ visits 6 times a year Annual Salary: £60,000- £75,000 We are currently looking for Senior Software Engineers that have experience with our Backend tech stack (TypeScript, Node & AWS) Join Our Engineering Evolution at Twinkl At Twinkl, we're not just building software - we're transforming how millions of educators and learners interact with educational content and resources worldwide. By creating adaptable, comprehensive learning tools, we're breaking down educational barriers. We believe in empowering the next generation with the skills and resources they need to succeed, no matter their geographic or economic background. We’re not just sharing resources; we're building a global learning community. As we scale our platform to serve parents, teachers, and students across the globe, we're seeking exceptional Senior Software Engineers to help drive our technical evolution. We're in the midst of an exciting transformation, completely rebuilding our experience from the ground up using React, Next.js, TypeScript, and Node.js. Alongside this, we're embracing cutting-edge cloud architecture on AWS, building scalable solutions with serverless technologies and microservices. Fancy working on early stage initiatives and emerging projects where you can genuinely shape our technical direction? That's exactly what we offer. Our engineering teams are properly empowered - we trust you to make the right technical decisions and own your solutions. What will you be doing? You'll be building brilliant tech that makes a real difference. We're talking about systems that deliver educational content to millions, supporting teachers across every time zone, and making learning accessible globally. Plus, you'll be part of our international expansion, working with autonomous, product-centric teams who are passionate about what they do. You’ll use our tech stack.. • React + Next.js + TypeScript for our frontend code, • Node.js + TypeScript for our backend code, • AWS Lambda for serverless computing, • S3 for scalable storage, and NoSQL databases like DynamoDB, • SQS/SNS for messaging, • Continuous deployment with Terraform (IaC) and GitHub Actions, • Vitest + React Testing Library for unit tests and Playwright for browser-based tests / smoke tests ..to craft web applications and digital products that have real impact. These include: • Discovery & Navigation: Helping educators and learners find their way around Twinkl's enormous content library by delivering a thoughtful and polished user experience., • Maths: A React-based game platform designed to support learners through interactive exercises and gamified challenges aligned with educational curricula. It includes progress tracking, adaptive difficulty, and teacher-friendly reporting. What do we need from you? • Experience with React/Next.js + TypeScript for frontend and/or Node.js + TypeScript for backend If you can do both, great! But we do understand that not every engineer has a perfect blend of frontend and backend expertise, and that’s okay! If you are experienced in our stack but lean more to one end, but have the desire to learn and grow into a full stack role, we want to hear from you., • Experience owning your code end-to-end, from design through deployment, in a collaborative DevOps environment., • You have extensive experience in web development, particularly in large-scale, cloud-based systems with CI/CD practices., • You bring deep expertise in modern frontend frameworks (especially React) and essential web technologies—HTML, CSS, JavaScript, TypeScript, and accessibility (a11y)., • You are experienced with automated testing and familiar with TDD., • You’ve worked in product-centric teams that prioritise strong engineering principles like TDD and pair programming and you have a passion for contributing to and strengthening that culture., • You value Cross-Functional Collaboration and continuous improvement. As we are growing, we are looking for a number of Senior Software Engineers to join us, across our different teams. We do a standard interview process and at the end we will find the best match for you based on your skills, experience, preferences and aligning with the business needs! What’s in it for you? • A friendly, welcoming and supportive culture. We believe work should be fun and always put people before process, • Flexible working with fully remote and hybrid working options, • 33 days annual leave per year, pro rata. You decide which public holidays to recognise., • An additional day of annual leave, a Me Day, to take time for yourself, • Charity day to volunteer and support a registered charity of your choice, • Westfield Health (including Health Club discount and Westfield Rewards discount and cashback), • Learning and Development opportunities, with opportunities for internal mobility across various departments / areas of the business, • 4 x annual salary death in service life assurance, • Quarterly awards designed to reward and recognise our wonderful Twinkl employees, • Free Twinkl Subscription At Twinkl, we encourage diversity, and our doors are open to everyone. We're committed to creating an inclusive workplace for all. If you need any adjustments during the application process to showcase your abilities, please let us know. We're here to support you on your journey.

Platform Engineer London / WFH to £100k Opportunity to progress your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets, in a hands-on Platform Engineer role. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed ethical web scraping function, supporting a multi-region high frequency operation. You'll proactively identify, analyse, drive and own performance and process improvements, collaborating closely with the development team on architecture and prioritisation and with the infrastructure team on common infrastructure improvements across the estate. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement). About you: • You have commercial experience as a Platform Engineer, DevOps Engineer or SRE within an HFT, low latency or web scraping environment, • You have strong bash or Python scripting skills, • You have multi-cloud experience (AWS and / or Azure preferred), • You have a strong knowledge of Linux, • You have experience with forward proxy tools e.g. Squid, • You have experience of managing third party vendors, • You're collaborative and pragmatic with great communication skills, • You hold a technical degree, • Ideally you will also have some experience with one of the following: Containerization (Docker / Kubernetes), monitoring tools (Prometheus / Grafana / ELK stack / Splunk), IaC tooling (Terraform, Ansible etc.) What's in it for you: As a Platform Engineer you will receive a competitive package: • Salary to £100k, • Bonus (c50% of base), • Pension, • Hybrid working, • Career progression Apply now to find out more about this Platform Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Title: Software Engineer (Fullstack) Salary/Package: £70k-£90k + Equity Company Sector: Fintech (Sustainability) Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge / Bank) WFH / Hybrid: 3 days a week on site Bounce are partnering with a customer who we've already placed x 3 software engineers with. We've known the CTO for years, he's a top guy. They operate in the fintech space, bridging the gap in financial and sustainability portfolio data. Their automated data platform simplifies everything from financials to ESG analysis and reporting, empowering data-driven decision-making for private equity, venture capital, and government-backed funds. What you’ll do • Build and ship user-facing features using React, TypeScript, Node and Postgres, • Design and implement reusable systems and frameworks that power the product and unblock the team, • Use AI-assisted development tools to increase speed and reduce friction in your workflow, • Work with the CTO to define architectural direction and codebase structure, • Strike the right balance between planning for scale and delivering quickly, • Contribute to a culture of ownership, autonomy, and product-first thinking What they're looking For • 4+ years of professional experience in modern web development, • Strong expertise in React, NodeJS and TypeScript, with a product mindset, • Experience building scalable backend systems with AWS., • You’re thoughtful in planning, but fast in execution, • Happy to work in a fast-paced environment

Job Title: Software Integration Engineer Location: London, UK Type: Permanent You will have an interest in video and compression technology along with mobile and desktop system level development. You’ll have a proactive nature and ability to listen and contribute to wide ranging technical discussions. Responsibilities: • A significant responsibility of the integrations engineer will be developing and maintaining the integration of LCEVC (MPEG5 Part 2) into multiple operating environments with both encode and decoder capability, these include: Android (Android X/ExoPlayer for playback) iOS (AVPlayer and VTDS/VTCS frameworks), FFmpeg, JavaScript based web decoders, native Chromium browser and WebRTC, ALVR (Air Light VR)., • Working with the decoder and encoder teams to support maintenance and improvements in the core C++ codec integration layers., • Integration work for other compression solutions, such as VC6 and point cloud compression, into different video editing and creation applications., • Engaging with the open-source community to contribute changes upstream to video player open-source projects and assist with their integration of LCEVC., • Development activity planning, including sprint planning and refinement sessions discussing new features or issues to resolve during the upcoming sprint., • Status reporting, which may include participation in daily stand-up meetings and report back status, issues and successes. Qualifications: • A degree in Computer Science, Engineering, or other relevant scientific/technical subjects, or work experience., • Experience developing system level software for Android operating systems., • Experience developing software using C/C++ and other languages., • Interest in developing system level software for iOS or desktop operating systems for use by third party applications., • Interest in expanding your knowledge of video codecs and video streaming technology., • Excellent communication skills and comfortable providing clear accurate progress updates and able to document requirements and work completed, • Have worked in an Agile environment working on projects using Scrum or Kanban and tools such as Jira Desirable Experience: • Experience developing Android applications, preferably video based using ExoPlayer or AndroidX/Media and experience using the Android NDK., • Experience either using or developing with/for FFmpeg or its key components, • iOS development experience for iOS using Swift and Objective C., • Knowledge of video codecs, video encoding and streaming technology., • Experience developing or using codec software., • Familiarity with web browsers, WebRTC

About the Job Senior Fullstack Engineer (React / .Net) – London (Victoria) | Hybrid £80k - £110k Are you ready to craft the next generation of data-driven digital experiences for one of Europe’s most technically advanced SaaS innovators? Our client, a pioneer in B2B SaaS solutions, is building “Your Shipping Analytics Supercomputer”, providing cutting-edge data visualisation and dynamic dashboards for high-velocity business & artificial intelligence. About the Role As a Senior Full-stack Engineer, you’ll play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless, intelligent solutions that define the future of shipping analytics. This is a hands-on engineering role that combines deep technical problem-solving with creativity and collaboration, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring • 5+ years of experience building large-scale, production-grade web applications., • Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS., • Proven experience with C#, .NET Core, and SQL-based databases., • Understanding of Design Patterns and SOLID principles., • Experience designing and consuming RESTful APIs., • Familiarity with Azure or other cloud platforms and configuration management., • Experience with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? • Bootstrapped success story - with multiple thriving business arms., • An executive team with 65+ years of collective experience in shipping management., • Fresh from a £100m AI start-up exit, they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let’s connect!

Senior Full Stack Engineer – AI-Driven Web Platforms (TypeScript, React..) Location: London (Hybrid, 4 days per week) Are you passionate about building intelligent, user-centric web platforms and excited by how AI is reshaping the way software is designed, built, and delivered? We’re looking for a Senior Full Stack Engineer to join a lean, high-impact engineering team driving the next generation of adaptive, AI-powered digital experiences. You’ll collaborate directly with key business stakeholders, translating their needs into technical requirements and delivering elegant, scalable solutions that make a real impact. What You’ll Do • Work closely with design, product, and data teams to translate stakeholder goals into functional and technical requirements, ensuring clarity between business need and technical delivery., • Design and develop intelligent, adaptive web platforms leveraging modern frameworks (React, TypeScript/JavaScript, CSS, AWS Amplify, GraphQL)., • Apply AI-assisted tooling and automation throughout the development lifecycle — from code generation and testing to deployment and optimisation., • Lead innovation by evaluating and integrating new AI frameworks and LLM-based tools into the engineering workflow., • Champion best practices in accessibility, privacy, and performance while maintaining clean, modern, and secure codebases. What You’ll Bring • Strong background in front-end and full-stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar)., • Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL)., • Proven ability to collaborate with non-technical stakeholders, distilling abstract ideas into actionable plans and measurable outcomes., • Familiarity with AI-enhanced development environments — using code assistants, automated pipelines, or intelligent testing frameworks., • A passion for emerging technology, experimentation, and continuous learning. Why Join • You’ll be part of a forward-thinking digital team that combines startup-level autonomy with a mission-driven purpose., • This environment values creativity, rapid iteration, and intelligent automation — empowering engineers to push boundaries and deliver meaningful, data-driven user experiences., • If you’re an engineer who thrives on innovation, collaboration, and shaping the future of AI-assisted development, we’d love to hear from you.

Senior QA Automation Engineer | £500 p/d Inside IR35 | London | Financial Services Overview We are seeking a Senior QA Automation Engineer to join a leading financial services organisation on a 6-month contract. This hands-on role focuses on delivering high-quality automated testing across web, API, and data validation for investment and wealth management platforms. You will execute automation scripts, validate complex data flows, test RESTful APIs, and ensure releases meet reliability and performance standards. Role & Responsibilities • Develop, maintain, and execute automation frameworks for web, API, and data validation testing within wealth management and trading systems, • Perform functional, regression, performance, and integration testing for complex financial applications, • Test RESTful APIs using tools such as Postman or RestAssured, • Validate data and perform back-end testing using SQL, • Integrate automated tests within CI/CD pipelines using Azure DevOps, Jenkins, or equivalent tools, • Collaborate with developers, product owners, and business analysts to troubleshoot issues and ensure high-quality releases, • Mentor and support other QA engineers in automation best practices Essential Skills & Experience • 7+ years’ experience in QA engineering within financial services or other complex enterprise environments, • Strong Python scripting skills for automation, • Experience with Avaloq (desirable), • Hands-on experience testing RESTful APIs and performing data validation, • Familiarity with CI/CD pipelines, version control (Git), and Agile methodologies, • Strong SQL skills and experience with back-end testing, • Excellent analytical and problem-solving abilities with attention to detail Contract Details • £500 p/d Inside IR35, • 6-month contract, • Hybrid working (three days per week in London office)

🚀 Hiring: Full Stack Product Engineer | VC Backed Early Stage Startup 💷 £60,000 - £85,000 🌍 London 🏢 Hybrid (1 day in the office) 👉 Unfortunately they can't sponsor Visas We’re partnering with a VC-backed startup that’s rethinking how mobile networks should work - for people and the planet. They’re building next-gen connectivity powered by cutting-edge tech, offering unbeatable coverage, intelligent automation, and a sustainable mission at their core. Their team has already achieved impressive traction - including recognition as one of the UK’s most forward-thinking consumer tech companies - and they’re now expanding their engineering team to help scale their platform. The role: You’ll join as a Full Stack Product Engineer, working across backend and frontend systems to power a platform that serves thousands of users daily. You’ll collaborate closely with product and mobile teams to build features end-to-end - from infrastructure and APIs to intuitive web interfaces. This isn’t a narrow role - it’s a chance to build, experiment, and shape the technical direction of the product. What you’ll be working on: • Building and maintaining scalable backend services and APIs (TypeScript, Node, Postgres), • Developing performant, user-friendly frontend features using React, • Working with cloud infrastructure (GCP) and DevOps tools to support scale, • Troubleshooting across the stack and shipping fast, • Collaborating with an ambitious team that values curiosity, clarity, and iteration You’ll thrive if you: • Are a strong generalist with experience across both backend and frontend, • Are pragmatic, curious, and motivated by solving real user problems, • Care about clean, maintainable code and strong engineering practices, • Enjoy autonomy and building in fast-moving environments, • Are excited by AI’s potential to accelerate development and improve workflows Why this role: This is one of those rare opportunities to work on 0→1 technical challenges at a startup combining deep tech, consumer impact, and genuine purpose. You’ll help shape how the world connects - and do it alongside a mission-driven, highly technical founding team.

Full-time | Salary + Equity | Purpose-led startup Joyned is on a mission to help organisations build strong, safe communities through better communication. We’re looking for a hands-on software engineer to take ownership of our codebase and help shape how the product evolves. We’re a funded startup, built in partnership with Brightec (the team behind apps for Waterstones and Virgin Trains). We launched last year. Since then, Joyned has already helped churches, charities, events and commercial organisations (including Hillsong, Big Church Festival, Newday and Lifetime Brands) transform how they connect with their communities. This is a solo engineering role, as we kick-off our in-house engineering team. You'll be our only full-time engineer, writing, testing and shipping code across the whole stack. You won’t be micromanaged - you’ll lead and pioneer. Our founder will be involved in technical decisions and we can draw on external support if required, but the day-to-day is yours to lead. We're not hiring for a job title. We care more about your mindset, your ability to get things done, and your fit with our team. If you’re confident, self-sufficient, and not afraid to figure things out, this might be the role for you. We’re a small team. You won’t just write code, you’ll help shape how Joyned grows, and how we work together. It is primarily a remote role, but with the option to work once per week from the Brightec studio in Shoreham-by-Sea. We also gather the team together at least a couple of times per year, for extended planning and relationship building. If you’ve been part of a church community, all the better – many of our users have too. That context matters to us. Tech stack: Python, TypeScript, MySQL, GraphQL, React Native (including React Native for Web), Django, Celery, Docker, Kubernetes. You don’t need to know everything on day one, but you’ll be working across all of it, so a full-stack mindset is key. Salary Range: £50k to £65k depending on experience. As an early-stage startup, we know we can't always match big company salaries, but we're open to offering equity for the right person who wants to share in what we're building. Hiring Process Please apply for this job via LinkedIn to receive additional details on the application process. Please include a covering letter along with your CV. No Agencies or Recruiters

Are you a detail-oriented QA professional who loves ensuring quality across complex, high-traffic systems? This is an excellent opportunity for a Senior QA Engineer to join a fast-growing travel technology company building cutting-edge booking systems for major clients in the travel and leisure industry. Senior QA Engineer Rate: £400/day (Outside IR35) Location: Central London (Hybrid 2–3 days/week, open to remote) Contract: 2+ months, with strong potential for extension Start: ASAP Working as part of a collaborative team of developers, product managers, and fellow QAs, you’ll contribute to multiple projects across various travel booking platforms. You’ll focus primarily on automation testing, with some manual testing as needed, helping to ensure reliability and performance across diverse products in a fast-paced environment. Key Responsibilities: • Design, develop, and execute automated test suites across multiple projects and platforms, • Contribute to manual testing when required to ensure complete coverage, • Collaborate with developers and product managers to identify issues and improve product quality, • Maintain and improve QA documentation, workflows, and reporting, • Drive continuous improvements in testing processes and tooling Required Skills & Experience: • Proven experience as a QA Engineer or Senior QA Engineer, ideally within a start-up or scale-up environment, • Strong background in test automation, with hands-on experience using relevant frameworks and tools, • Experience with GitHub, Jira, and other QA and CI/CD tools, • Excellent communication skills and a proactive, collaborative mindset, • Eligible to work in your current location (RTW required) Bonus Experience (Nice to Have): • Previous experience in travel booking systems, e-commerce, or web applications, • Exposure to start-up or scale-up environments, • Strong manual testing background alongside automation skills, • Familiarity with the challenges of large-scale, customer-facing software platforms This is a fantastic opportunity to join an ambitious company at an exciting time of growth, working on a range of innovative travel technology projects with a talented international team. If you’re a seasoned QA professional who thrives in dynamic, fast-moving environments and wants to make an immediate impact Apply Now!

About Jinna.ai 🦸‍♀️ AI Assistant for business admin, finances & day-to-day tasks Jinna is hyper context-aware, human-like, and personal She knows your business — understands cash flow, clients, and tone. She’s proactive and independent, running tasks end-to-end: crafting stunning invoices, sending them, following up, managing payments, and offering invoice financing. Behind it all is Jenius — a dynamic context profile that continuously learns from every interaction to understand you, your business, and your clients even better over time. Mission: Live your freedom. Build a better world. We’re building technology that gives entrepreneurs their time, freedom, and energy back — so they can focus on what they love. About the job We’re now looking for a Full-Stack Engineer (Junior–Mid level) to join us early and help shape the product from the inside out. You’ll work across our web app and AI integrations, bringing ideas to life and shipping fast. If you love crafting clean, practical solutions — not over-architecting them — and want to see your work directly impact thousands of users, this is for you. Responsibilities • Build and iterate on the Jinna.ai web app using React (Vite) and TailwindCSS, • Work closely with Supabase for backend, auth, and database logic, • Integrate AI models (Gemini, OpenAI, etc.) into the product — from prompt engineering to prototype testing, • Collaborate on product decisions, architecture, and UX flows, • Contribute to a modular microservices / event-driven setup on GCP, • Maintain clean Git/GitHub workflows and assist in small DevOps tasks when needed You might be a great fit if you: • Have 1–3 years of experience with React + TypeScript and modern front-end tooling, • Are comfortable working with APIs, Supabase, and simple backend services, • Understand how to ship fast in a startup environment — done is better than perfect, • Enjoy experimenting with AI APIs and seeing real results quickly, • Want to be part of a small, ambitious, product-first team Our stack React (Vite) · TypeScript · TailwindCSS · Supabase · GCP · OpenAI · Gemini · Git/GitHub What we offer • 🌍 Fully remote, flexible schedule, • 💸 Competitive, discussable salary depending on experience, • 🚀 Work directly with founders and influence the direction of a fast-growing AI product, • 🎯 Room to experiment, fail fast, and ship faster

Batonics builds high-throughput quantitative trading and research platforms and AI agents for leading funds and institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We’re looking for a part-time engineer to help develop end-to-end quantitative trading and research systems including high-frequency trading (HFT) platforms. Your initial work will be on this platform quant2.batonics.com but feel free to explore loha.batonics.com Process: • Interview., • Task(s) (1-2hrs), • (Optional) Go head-to-head with me where we both tackle a multi-tier coding challenge (AI tools allowed)., • Follow-up chat., • High-performance database systems & transactional correctness (isolation/serializability), • Real-time data pipelines & market-data processing (ultra-low latency, burst tolerance), • Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning, • Concurrency & memory models: lock-free/atomics, race detection (TSAN), contention profiling, • Backend/platform architecture & multi-region reliability (failover, disaster recovery), • SRE/reliability engineering: SLOs, load shedding, autoscaling, chaos testing, tracing, • GPU compute & numerical methods, plus floating-point stability and mixed precision, • Formal methods & rigorous testing: model checking, property-based testing, fuzzing, • Security: applied crypto (use of vetted libs), web/appsec, sandboxing (seccomp/AppArmor), secrets/keys, • Distributed systems & consensus (Raft/Paxos), consistency models, backpressure, idempotency, • Build systems & developer tooling: Bazel/CMake, reproducible builds, hermetic CI, static analysis, • Supply-chain hygiene: dependency pinning/lockfiles, SBOMs, provenance/attestations, • Infrastructure as Code: Kubernetes/Terraform with policy as code (OPA/Kyverno) Details: Remote work with occasional in-person meetings Hourly pay initially, scaling with workload and contribution

About Eunice Eunice is the AI platform accelerating finance moving on the chain. We give compliance and legal professionals the intelligence layer they need to navigate digital assets with confidence. By automating complex workflows, standardising data, and aligning with global regulations, Eunice’s due diligence and monitoring platform helps institutions launch new assets, products, and partnerships - faster and with full trust. We are already working with some of the biggest names in the industry, including OKX, Zodia Custody, Copper, Zerohash, Libeara, Binance and so on. Learn more about us at ! About the role At Eunice, we are building the trusted infrastructure for digital assets and tokenized finance. We’re looking for a full-stack software engineer to join our fast-growing startup. This is an exciting opportunity for someone who enjoys a fast paced environment; loves the challenge to solve some of the hardest AI challenges; and eager to grow into a top engineering leader. What you'll be doing • Design and implement Eunice user-facing applications for all product lines., • Manage interactions between user-facing applications & the AI/data platform behind it., • Participate in company/product strategy discussion, share ideas on how the product can evolve to support future use cases., • Test and deploy your own code. About you • Entrepreneurial Spirit - You thrive in ambiguity, enjoy experimenting, and are comfortable to navigate a fast-paced, sometimes a little chaotic environment., • Growth Mindset - You always love to learn & grow, and aspire to become a top engineering leader at some point in your career., • Engineering Expertise - You have at least 5 years of experience in the industry and a solid foundation in computer science concepts:, • You enjoy solving complex coding and system design problems., • You have deep knowledge in at least one popular coding language for building web-based applications on both FE and BE, ideally Typescript, Javascript / NodeJS, etc., • You have experience with common software and system design patterns and infrastructure including APIs, cloud infrastructure tools, storage solutions, data structures etc., • Ideally you have experience working on AI/Crypto projects, or you are very eager to learn if you don’t have such experience., • You have experience working with AI / Crypto products - It’s a bonus and it is completely fine if you feel excited about the new domains and technologies, and confident to learn quick!, • You are open, or even excited to learn and work on other areas of the tech stack - Engineers with versatile skills & curiosity to learn will likely get to make a bigger impact, and achieve greater success in the long term. Why join Eunice now? • Small but mighty: we keep the team lean so every person has real impact., • Passionate, driven teammates: you’ll work alongside people who love to build and push each other to be better., • Real ownership: you’ll get autonomy, responsibility, steep learning curve and the chance to shape big decisions from day one., • Global adventure: we’re expanding fast and tackling opportunities that span markets and borders., • At the frontier: Digital assets and finance are changing fast — you’ll help shape how the industry evolves., • High-performance culture: we treat each other fairly, expect excellence, and operate like a sports team - competitive, supportive, and always raising the bar. We value speed, clarity, and ambition. You can expect the full process to take 2–3 weeks maximum from application to decision. If you’re ready to make an impact and take your career to the next level, we’d love to hear from you!

Full Stack Engineer – Fintech SaaS Scale-Up - London 1 day a week in office Salary - £85k-£95k + benefits About the Company Our client is a fast growing fintech software company building innovative tools for global investment firms. Their platform helps investors streamline operations, make data-driven decisions, and drive sustainable growth. About the Role They’re seeking a Full Stack Software Engineer to help build and optimise features across their award-winning web platform. This is a hands on role in a dynamic, fast-paced environment, ideal for someone who enjoys solving complex problems and working collaboratively with engineering and product teams. Key Responsibilities • Build scalable, high-performance features for a modern SaaS platform, • Optimize existing systems for speed, usability, and reliability, • Lead technical decisions and mentor junior engineers, • Collaborate closely with cross-functional teams to deliver impactful solutions, • Contribute to hiring and onboarding as the team grows Core Tech Stack • Frontend: ReactJS, HTML, CSS/LESS/SASS, • Backend: Node.js, AWS, MongoDB, • Tools: Git, CI/CD Requirements • 4–7+ years’ experience in full-stack web development, • Proven track record delivering high-quality SaaS products at scale, • Strong understanding of UI/UX principles and performance optimization, • Excellent communication, problem-solving, and leadership skills, • Passion for writing clean, maintainable, and scalable code Bonus: Experience in financial technology or asset management software. Salary £85k - £95k + benefits If your keen to find out more, feel free to apply and I'll get back to you as soon as I can :)

About Us Every business needs to know who they’re really working with whether it’s suppliers, investors, partners, or third parties. At Xapien, we’re reinventing how organisations do that, combining speed, scale and accuracy with cutting-edge AI. Since 2018, we’ve grown from a deep-tech startup to a global player in AI-driven due diligence and risk intelligence. 2024 was a landmark year as we closed a $10M (£8M) Series A, earned recognition in the Chartis RiskTech100® and Everest Group’s Leading 50™, and expanded our products, markets and customer base. 2025 has already been even bigger: With new regulations, rising compliance pressure and growing reputation risks, organisations everywhere are demanding smarter, faster ways to work and they’re turning to us. Customers worldwide from global law firms and private banks to universities and nonprofits rely on Xapien to turn days of manual research into trusted insights, delivered in minutes. Our momentum so far Customers in a diverse range of industries, with particular growth in wealth management, insurance, financial services and supply chain onboarding. Demand accelerating beyond our UK headquarters, across multiple continents with new customers in the Middle East, Asia, and Oceania. Why this is an exciting time to join This is not just another tech job, it’s a chance to shape the direction of the due diligence industry with our market-leading product. Whether you’re in engineering, data science, product, AI/ML or infrastructure, you’ll be solving hard, high-impact problems: scaling distributed systems to fuel explosive growth, making sense of multilingual and unstructured data, applying AI/ML to real-world risk, and delivering insights that organisations can trust in high-stakes environments. We’re scaling fast with more customers, more releases, bigger regulatory challenges and a growing expectation that “due diligence” means not only real-time insight, but conducted at pace and cost-efficiency. You won’t just be shipping features, you’ll be shaping architecture, tooling, models, and pushing the boundaries of what’s possible. For people who love learning The Challenge Our product is experiencing tremendous demand, presenting us with the exciting challenge of scaling our platform and technology. We need to deliver accurate insights while doubling down on how we architect, coordinate, and maintain our subsystems. We’re doing all of this against a backdrop of continuous innovation and refinement. The Role We are looking for a Fullstack Engineer (Go + React) to help scale and evolve the core Xapien platform as we grow rapidly. Working directly with our Head of Engineering, you will play a key role in shaping the future of our product. This position involves a mix of backend and frontend development, systems design, and collaborative problem solving across the stack. We are seeking someone with a strong background in modern web development and microservice architecture, and a mindset for clean, maintainable code. Here’s what you will be responsible for: • Designing and building scalable microservices in Go, as part of a growing platform architecture., • Developing intuitive and performant React components to enhance our frontend experience., • Collaborating closely with product and design teams to turn complex user needs into elegant technical solutions., • Writing clean, testable, and maintainable code across the stack., • Participating in architectural discussions and helping shape engineering best practices., • Troubleshooting and resolving production issues across services and systems., • Contributing to CI/CD pipelines, observability, and automation alongside platform engineers. Your Skills & Experience: Must-haves to be successful in this role: • Strong experience writing backend services in Go., • Proficiency in React and modern JavaScript/TypeScript., • Solid understanding of microservices architecture, RESTful APIs, and service-to-service communication., • Experience working with cloud infrastructure (e.g. AWS, GCP or Azure)., • Strong grasp of software engineering fundamentals: testing, documentation, performance, reliability., • Excellent communication and collaboration skills: you're comfortable working cross-functionally with engineers, designers, and product managers., • A team-first mindset: open to feedback, different perspectives, and alternative approaches to coding and code styles. Nobody can do everything, but here are a few related things we’re interested in: • Experience working lower in the stack, e.g., databases, infrastructure, Kubernetes, or observability tooling., • Exposure to CI/CD tooling, • Interest in natural language processing, AI, or distributed systems. Here’s our promise to you: • We are going to work with you – to build a rewarding and fulfilling career with the opportunities, challenges and resources you need to do your best work., • We succeed together – you will own a meaningful part of the business through our employee shares & equity programme., • Private health insurance to keep you in tip-top condition., • Life Insurance – let's hope nobody ever needs this!, • Unlimited holidays – yes, it really is uncapped – take the time you need, when you need it., • Everyone is learning, developing and challenging themselves – so we have a £1k professional development fund per year if you want to learn new skills, even new things outside of work., • Most importantly of all, we will work with you to help you realise your fullest potential, always.

Senior Full Stack Software Engineer Tech: AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location: Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Full Stack Software Engineer - Responsibilities • Design, develop, and maintain advanced applications., • Collaborate with cross-functional teams to define, design, and ship new features., • Guiding and develop the skills of junior engineers., • Optimize components for maximum performance across a vast array of web- capable devices and browsers., • Maintain code and write automated tests to ensure the product is of the highest quality., • Lead the development team in implementing methodologies that enhance project quality and speed., • Troubleshoot and debug to optimize performance., • Provide code reviews, feedback, and mentorship to junior developers., • Stay up-to-date with new technology trends, applications, and protocols Senior Full Stack Software Engineer - Experience Required • Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects., • Expertise in Node.js and AWS Lambda for serverless backend services., • Proficiency in React with Next.js for frontend development., • Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform., • Beneficial experience of React Native, • Understanding of RESTful APIs and web application architecture., • Experience in a start-up environment., • Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience., • Familiarity with RESTful APIs and mobile libraries for networking., • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model., • Experience with automated testing suites, like Jest or Mocha., • Excellent problem-solving skills and the ability to think algorithmically., • Experience with cloud message APIs and usage of push notifications., • Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google Play)., • Understanding of secure coding practices., • Excellent written and verbal communication skills For more information, contact Katie at Matched Group. Full Stack Developer / Full Stack Engineer / Senior Full Stack Developer / Senior Full Stack Engineer / Software Engineer / Senior Software Engineer / Software Developer / Senior Software Engineer

We’re partnering exclusively with one of the most prestigious trading firms in London to find a highly skilled Front-End Software Engineer to join their world-class engineering team. This is an opportunity to work at the very heart of high-performance trading technology — building ultra-responsive, visually intuitive web interfaces for some of the most demanding users in finance. What You’ll Be Doing: • Building high-performance, data-intensive UIs using React and TypeScript, • Collaborating closely with back-end engineers, traders, and product teams, • Designing and refining complex front-end architectures for real-time data visualization, • Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: • Languages: TypeScript, JavaScript (ES6+), • Frameworks: React, Redux (or similar), • Tooling: Webpack, Babel, Jest, ESLint, Git, • Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: • Strong experience with React and modern JavaScript/TypeScript, • Deep understanding of front-end architecture, performance tuning, and scalable component design, • Experience in fast-paced environments (finance, trading, gaming, or top-tier tech), • Passion for clean, maintainable code and UI craftsmanship Why Join? • Collaborate with some of the sharpest minds in trading and technology, • Contribute to software that drives real-time trading decisions, • Work in a flat-structured, engineering-led environment with rapid decision-making, • Top-tier compensation, full autonomy, and state-of-the-art tools Compensation: Exceptionally competitive (£120-180k + excellent performance bonuses)

Role: Staff Front End Engineer Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI-driven biology lab on a mission to redefine how science is done. Their research and engineering teams are building next-generation tools that help scientists visualise, understand, and design biology at an unprecedented scale. As a Front End Engineer, you’ll craft the visual layer of this transformation, designing interfaces that turn vast, complex biological data into intuitive, beautiful experiences. Your work will sit at the intersection of AI, design, and discovery, directly accelerating breakthroughs in life sciences. What you’ll do • Build responsive, high-performance web UIs that make complex scientific data explorable and engaging., • Lead frontend architecture, shaping reusable component libraries and design systems., • Collaborate with machine learning researchers, engineers, and biologists to translate cutting-edge science into intuitive digital tools., • Push the limits of frontend performance, accessibility, and interactivity., • Write and maintain comprehensive unit and end-to-end tests to ensure reliability at scale. You should have • Strong experience with TypeScript/JavaScript and modern frameworks (React or similar)., • A proven track record of delivering polished, performant, and elegant user interfaces., • Deep appreciation for UI/UX craftsmanship and accessibility., • Familiarity with HTTP, REST APIs, websockets, and secure frontend patterns., • A creative streak — you think visually and love turning complexity into clarity. Nice-to-haves • Experience with 3D or WebGL rendering, or other data-rich visualisations., • Experience building or maintaining design systems and component libraries. If you’re excited by the idea of using world-class engineering to accelerate world-changing science, building interfaces that literally help unlock the secrets of life then we’d love to hear from you.

Content Engineer/Architect (Contract / Freelance) - Remote (UK) - 10–12 weeks - £520pd We’re looking for a strategic and technically adept Content Architect to help design and implement a scalable, structured content system for an exciting new project. This isn't your standard Content Architect role; it borders on Content Engineering, requiring deep technical skills in areas like XML or JSON. We need a true "heavyweight" to lead this effort. You’ll play a key role in building a multichannel content platform, including automated PDF generation with complex data visualisations, for one of our clients at the cutting edge of digital experience. What you’ll do You’ll work closely with a dedicated CMS developer, as well as UX, design, and front-end teams, to ensure content structures power dynamic, data-driven experiences. Your responsibilities will include: • Designing and implementing highly scalable and resilient structured content models optimized for reuse, automation, and multichannel publishing., • Creating content types for UI microcopy that support data and dashboard visualisations., • Leading configuration and governance of a headless CMS (Contentful, Contentstack, or Sanity preferred)., • Defining content types, relationships, and editorial workflows for scalable publishing., • Developing taxonomies and metadata frameworks to link content with structured data sources., • Architecting content systems that support delivery across web, PDF generation, and emerging channels., • Enabling content reuse and personalization through modular design and intelligent tagging., • Partnering with developers to integrate content systems into the front end for performance and scalability., • Establishing content governance standards, editorial guidelines, and documentation. What you’ll bring • Proven experience with headless CMS platforms and content modeling — ideally with examples of automated publishing., • Deep expertise in taxonomy development, metadata strategy, and structured content., • Strong understanding of multichannel publishing workflows and content reuse strategies., • Familiarity with JAMstack principles and modern web development., • Excellent communication skills and the ability to collaborate across technical and non-technical teams., • Experience working in agile environments with cross-functional teams. Bonus points for • Experience with API-first content delivery and GraphQL., • Knowledge of personalization engines and dynamic content rendering., • Background in semantic content modeling and linked data principles. If this sounds like it could be of interest, feel free to reach out to me.

Years of Experience: 3- 5+ years Skills: Go, Java, Git, REST Web Services, Jenkins, NoSQL, Postgres/ql Based in London Victoria or Burgess Hill Enthusiastic, diligent Senior Golang Software Engineer to work on the global Loyalty and Benefits platform in American Express. The candidate should have excellent soft skills, strong technical ability with an extensive passion to learn. A modern microservice-based Loyalty and Benefits platform, designed to be able to handle all aspects of the Loyalty and Benefits customer experience, globally. Built using modern tools such as Golang, Kafka and Docker, there is ample opportunity to drive innovation and grow knowledge and skills as an Engineer. As a Software Engineer on an Scrum team, you will be building and enhancing features in the Account domain. You will also coordinate and work with other Engineers across the platform to share knowledge and principals. Required: · Demonstrable experience in at least one back-end type safe programming language (Golang Preferred) · Comfortable/experienced with back-end micro-service architecture and communication, specifically REST and asynchronous messaging services (e.g., Kafka, RabbitMQ etc.) · Comfortable/experience within a Scrum framework working with as part of a team to deliver business functions and customer journeys that are tested and automated throughout the CICD pipeline to production Desired: · Bachelors Degree in computer science, computer engineering, or other technical discipline, or equivalent work experience. · Experience in professional software development. · Solid understanding of test-driven development, including unit, component, functional, system integration and regression tests. · Knowledge of software engineering methodology (Agile, incl Scrum, Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT or SVN.

Full Stack Engineer - Investment Technology My hedge fund client is hiring a full stack engineer to join a high-performing team focused on building advanced tools for discretionary trading. This team develops analytics platforms that support portfolio managers in making informed decisions and managing risk across global markets. The role offers the chance to work closely with investment professionals, researchers, and technologists to design and deliver modern trading and research applications. The ideal candidate will be proactive, technically strong, and eager to take ownership of projects that directly influence investment outcomes. Responsibilities Build and maintain full stack web applications that support pre-trade analysis and risk workflows Collaborate with traders, researchers, and engineers to gather requirements and iterate on solutions Shape the future of the user interface strategy within the investment platform Contribute to the development of scalable, cloud-native infrastructure Translate business needs into technical solutions through close collaboration with cross-functional teams Requirements Strong proficiency in TypeScript and React, along with experience in at least one backend language such as Python Ability to deliver intuitive and high-performance user interfaces Interest in financial markets and trading workflows Comfort working in Linux environments and with cloud technologies Excellent communication skills and ability to work across disciplines

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week. You will have 20 work from anywhere days added on top which you can use to make soime weeks 2 days a week from home. Please also note - sponsorship is not an option here unfortunately. The role As a Senior Software Engineer, you will: • Understand complex business problems then propose and implement technical solutions, • Have input into the architecture, working closely with the Head of Technology and other senior team members, • Work with other engineers and the business to improve user experiences, • Bring your experience and enthusiasm to our engineering culture, • Promote excellence with technical mentoring, feedback, and code reviews, • Participate in planning sessions, retrospectives, stand-ups and demos, • Join us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate • You have built great products for the web and/or mobile, • You have analysed business problems then scoped and built technical solutions to solve them, • You can quickly become productive using our backend or frontend technologies, or both, • You’re excited about understanding the real problems working people come up against and fixing them with technology, • You can work well in small teams to deliver radical improvements, • You will be proud to show how you’ve impacted other parts of a business and delivered results, • You will be pushing frameworks and languages for good business reasons, • You stay up-to-date with developments in AI and are comfortable using AI tools to boost your productivity and problem solving The tech Our core technologies are: • Python on the server side, using Django as a web framework, and Django Rest Framework for our API, • Angular and TypeScript on the client side for our mobile apps and booking flow, • Next.js and React for parts of our marketing website, • Ionic for hybrid and progressive mobile apps, • PostgreSQL for our database, using some of its advanced geographic modelling capabilities, • Metabase for analysis and self-serve data exploration, • Redis for caching and task queues, • GitHub, Codeship and Heroku for seamless code review, integration and deployment, • Claude Code for agentic coding, • AWS S3, CloudFront and Lambda for storage and content delivery, • Cypress for end-to-end testing, • Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp and more Our tech culture We follow an agile development process with fortnightly sprints. We keep meetings to a minimum, but the ones we do have are highly valuable. We strongly believe in ownership and you will be responsible for taking your features from development through to testing, deployment and design review with end users. We take code quality seriously. We have a preferred code style and we use automated linting, code formatting and other code inspection tools to detect common errors and ensure consistency. We run an extensive suite of unit, integration and end-to-end tests on every git push and deploy. Perks • Share options, • 25 days holiday allowance + bank holidays, • Flexible hours and work-from-anywhere days, • Free trial cleans and discounted recurring cleaning, • Cycle to Work scheme, • Salary sacrifice gym membership scheme, • Access to Employee Pricing Programs, • Sponsored learning, including conference tickets and travel, • Choice of hardware, OS and IDE – you do you, • Posh Christmas and Summer parties, • Tons of sponsored team socials, • Casual dress code

Section Engineer Galldris Group Location: Radlett Highway Project, Hertfordshire An exciting opportunity has arisen for a Section Engineer to join our London Region on our Radlett Highways Project. To be considered, you will come from a Construction or Civil Engineering background and have been in the role of a Section Engineer with civils and highways experience. The Section Engineer will report into the Senior Engineer and will be responsible for managing the engineering on the highways project, ensuring works are constructed to the contract drawings, specifications, procedures, and plans, whilst managing site and trainee engineers. Key Accountabilities to include but not limited to: Health, Safety & Environment: • Contribute/Writing/Checking RAMS and TBS, communicating to workforce and monitoring compliance, • Contribute to the achievement of Galldris’ Safety Targets and zero tolerance of unsafe working practices, • To establish and implement site systems and controls consistent with Galldris company standards and project requirements including health, safety and quality systems and project engineering standards, • Contribute and review the short-term lookahead programmes and reporting feedback on site, • Feedback and report issues on site which may delay programme or progress, • Permanent Design – Familiarising yourself with the design drawings, specifications and setting out requirements and ensure accurate construction in accordance with requirements. Manage any Contractor Design Portions required on the scheme, • Temporary Works Design – Carry out the TWC role and managing and identify temporary works requirements, produce design briefs, and understand and communicate temporary works designs to site team and monitor installation to ensure compliance, • MARs – Raising Material Approval Records and procuring materials in line with programme, • ITPs – Writing/checking ITPs, communicating to workforce and checking the process is being followed, • QA Records – Ensuring and keeping organised and accurate QA records in accordance with ITPs and project requirements, • NCRs & Defects – Lead on documenting, tracking, closing out, and sharing lessons learnt to avoid reoccurrence, • Quality Handover Documentation – Collating information in accordance with ITPs and handover requirements, • Previous experience as Site Engineer / Section Engineer (or similar) for civil engineering contractor, • Experience with highways and infrastructure works. Supporting with utility diversion works, • Good knowledge of CDM regulations and temporary works, • Strong knowledge of specifications and testing regime relevant to general civil engineering / specification for highway works, • Good communication, people, and team management skills, • Ability to speak up on HSEQ matters and lead by example, • Use of Fieldview / Dalux (or similar) web and mobile BIM software, • Degree/HNC in Civil Engineering, or equivalent, • Member of Institute of Civil Engineers or working towards (desirable), • IOSH Managing Safely or SMSTS, • Valid CSCS card Should you feel you have what it takes to be successful in this role then we would love to hear from you. Employee referral scheme - refer a friend or family member to work for Galldris. Galldris is an Equal Opportunities employer and does not discriminate against any protected characteristic. Note for Recruitment Agencies: We are not using Recruitment Agencies for this role. In the event of speculative CV submissions, no fees will be applicable.

Product Engineer (Full-Stack Developer with UX focus) London / Hybrid / Full-time About Us We’re building the next-generation image licensing platform — a new model for discovering and licensing contemporary photography. Our platform represents leading photographers globally and gives brands and agencies access to original, authentic imagery. We’re now entering an exciting new phase: developing a best-in-class digital experience for discovery, search, and licensing. The Role We’re looking for a hands-on Product Engineer to lead the next stage of our product development — building out our image library, search experience, and e-commerce functionality. You’ll work closely with our leadership team to shape the user experience, bring ideas to life, and make our platform as slick and intuitive as the biggest players in the industry. This is a rare opportunity to join early and help define the product roadmap, architecture, and user journey for a high-growth creative technology company. Responsibilities • Lead development of new product features — from concept to launch., • Design and implement an improved search and browsing experience for imagery., • Build the e-commerce flow (licensing checkout, payments, order management)., • Oversee the contributor upload and content management experience., • Collaborate on UX/UI design and help translate wireframes into polished interactions., • Integrate with payment gateways and internal systems (e.g., CRM, DAM)., • Maintain and improve site performance, reliability, and scalability., • Evaluate and manage external development partners where needed. What You’ll Bring • 5+ years of full-stack development experience (React, Node.js, TypeScript or similar)., • Strong UX/UI sensibility — you think about flow, usability, and customer experience., • Experience with e-commerce or transactional web apps., • Familiarity with search and indexing tools (e.g. Elasticsearch, Algolia, OpenSearch)., • Database knowledge (PostgreSQL, MongoDB, etc.)., • Comfortable owning projects end-to-end and working in an agile, startup environment., • Bonus: Experience in creative industries or digital media platforms. You Might Be Right If You... • Love building things that are beautiful and functional., • Want ownership of a product from day one., • Enjoy collaborating across design, engineering, and business., • Are energised by small, creative teams. Salary: Competitive, based on experience Location: London / hybrid (we’re flexible) Start: Early 2026 (we can be flexible for the right person)

Team: Frontend Location: London (On-site; Liverpool Street) Employment Type: Full-time and Permanent Remuneration: £90–120k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists of Cambridge graduates and former engineers at Microsoft, Bloomberg, Google, AWS, and WhatsApp (Meta). We are backed by prominent investors from the US and the UK, including institutional VC funds and C-level executives of global technology companies. The role involves the design and development of a web-based application for Machine Learning workloads. We put strong emphasis on user experience, aesthetics and pixel-perfect design. You will be working closely with the Machine Learning team to understand the underlying concepts and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. Portfolio We would love to see your recent frontend works! If possible, please include the link(s) to your portfolio in your CV. In this role, you will: • Design and develop web-based user interfaces using TypeScript and React., • Lead projects from inception to launch and beyond, having a high degree of autonomy and ownership over your work., • Work closely with the founding team and contribute towards best practices, standards, and culture of the company., • Work with a graphic designer on the creation of original visual assets., • Co-hire your future colleagues. Our tech stack: • We use and leverage AWS, Cloudflare, and GitHub as much as possible., • The codebase is written in TypeScript, React, Vite, TanStack, and Radix UI., • We use Figma for wireframes and ideation., • We are highly confident in our backend API schemas and functionality. What we are looking for: • Frontend development: 5+ years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript., • Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React., • Design systems: Understanding of popular design systems, such as Google Material Design 3 or Apple HIG., • Leadership: A track record of leading complex projects., • Problem solving: Strong analytical problem-solving skills and attention to detail. You have the ability to break down complex projects into actionable tasks., • Collaboration and communication: Excellent interpersonal and communication skills, with technical and non-technical stakeholders. Nice to have: • Visual design: Background in graphic design and/or visual arts., • Open-source: Contributions to and experience in open-source projects., • Startup experience: Experience with a startup work environment and wider ecosystem. Why join us? • Work in an environment conducting cutting-edge research in AI., • An official role title of “Founding Engineer” – make an impact on day one., • Competitive salary, equity and benefits package., • 28 days + public holidays allowance., • Opportunities for professional growth and progression with your career., • Work on challenging engineering problems that have a real impact on the industry., • Work with high-profile customers and technology partners.

Our vision From blockbuster films and AAA games to immersive experiences, the demand for photo-real 3D content has never been higher - but creating photorealistic assets is slow, expensive, and manual with no current scalable solution available. At M-XR, our mission is to democratise the creation of high-quality 3D assets and empower brands, studios, and creators to build infinite photo-real 3D experiences. Our proprietary technology Marso allows anyone to capture real-world objects into production-ready photorealistic digital twins with unmatched material (PBR) accuracy - enabling the first real-world PBR capture pipeline that can operate anywhere. Marso is trusted by the most demanding studios in film and gaming. We see the future of 3D as AI-assisted, and we’re building the tech to make that happen. We are creating the world’s highest quality and most comprehensive 3D-PBR data-set and training the next generation of AI models to assist artist workflows. See the result yourself — passcode: scaneverything About the role ✨ We are looking for a Senior Backend Engineer to join the team and be the driving force that designs, builds and scales the backend application services for our web platform. At M-XR we developed Marso as a way to capture real-world PBR material data alongside conventional photogrammetry from simple flash photography. Marso is now actively being used by an array of studios, brands & museums to digitise previously unobtainable assets at scale. This gives us one of the most unique and physically accurate 3D datasets in the world. Now we’re building an ML-powered pipeline that can automatically predict material properties (diffuse, roughness, specular, metallic, normals) from photogrammetry input alone - without flash. This is made possible by tapping into our uniquely rich dataset of real-world material scans. Our goal is to remove the need for manual texturing and enable full end-to-end automation, from photos to PBR assets at high fidelity and scale. You’ll be helping bring this technology to market. We are creating a web SaaS platform that will bring completely new capabilities for PBR generation to artists world-wide based on state-of-the-art AI models that we create. Where you will have impact! 🚀 As the Senior Backend Engineer for our web platform, you’ll be responsible for bringing a completely new product to market based on state-of-the-art AI capabilities. You will: • Define, build and maintain the backend application services for our web SaaS platform, enabling new 3D-PBR asset creation workflows., • Work with frontend developers to design and implement high-performance APIs that deliver exceptional user experiences., • Integrate with ML infrastructure to orchestrate model workflows, manage job queues, and deliver results to users. This is a high-impact role for someone that loves to define and bring completely new technologies to market - with the experience that defines how we do it. What you will do • Design and implement user-facing APIs to support frontend user flows (FastAPI), • Build robust user authentication, authorisation, and account management (Auth0), • Integrate payment processing and subscription management (Stripe), • Design and manage user databases and data models (MongoDB, PostgreSQL), • Implement asset storage, retrieval, and management systems (AWS S3), • Build job queue management for async ML workflows (SNS, SQS), • Setup application monitoring and logging (CloudWatch, Grafana, Prometheus), • Implement CI/CD for application deployment (Bitbucket Pipelines), • Create API documentation and developer tools What we are looking for • 5+ years backend development experience with production applications, • Track record with at least one live application currently serving users in production, • Proven experience designing and implementing RESTful APIs at scale, • Strong experience with Python and modern web frameworks, • Comfortable working in TypeScript for frontend integration debugging, • Experience in building infrastructure for image / video / 3D or graphics-intensive / data-intensive web apps Bonus points • Experience working with researchers, product engineering and product managers bringing new AI capabilities to market, • A love of games, films and understanding of photogrammetry, scanning, graphis, rendering and AAA 3D asset creation. What we offer • The chance to shape the future of 3D content creation in a fast-moving startup, • Direct contact & close relationships with some of the biggest game & film studios globally using M-XR's technology, • Work with passionate engineers, artists, and researchers at the frontier of graphics & AI, • Unique opportunities for professional growth, autonomy, and leadership, • Competitive salary and equity, • Flexible hybrid working, • Visa sponsorship for international candidates Interested? If you are interested in this role, we would love to hear from you! Please email us at List the job title in the description, and please provide a cover letter & CV.

Fullstack Engineer - Up to £60k - 2 Days onsite - Fulham I am currently working with an excting SaaS client who has built out a Risk management solutions platform. Their primary focus is to provide businesses with advanced tools and platforms that help them identify, assess, manage, and mitigate risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: • Develop and maintain responsive web applications using React and Next.js for frontend development., • Write scalable, reusable, and efficient TypeScript code for both frontend and backend., • Build and manage APIs with Node.js to handle server-side logic and integrate with databases and external services., • Design, implement, and deploy cloud-based applications on AWS, including services like EC2, Lambda, and S3., • Collaborate with design and product teams to translate user needs into functional, high-performance features. Please get in touch to know more.

Product Engineer (React.js/Native, UI/UX) - 2/3 days a week in London numi is partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is a venture-backed, post-revenue company with a tight-knit founding team. This is a chance to join a high-growth startup and have a pivotal impact on the company’s mission. What You'll Do • Champion the UX: Translate complex geospatial and supply chain data into elegant and actionable visualizations., • Build the Platform: Develop a scalable, responsive, and high-performance front-end application using React JS/Native., • Collaborate: Work closely with the CEO and CTO to define the product roadmap. Who We're Looking For You are a seasoned product builder with a track record of shipping high-quality, user-facing applications. You have deep experience building high-performance web map UIs with large cloud-native geospatial datasets. • Must Have: Mastery of React JS/Native and its ecosystem , and specific experience with cloud-native geospatial data., • Nice to Have: Proficiency with AI-powered development tools , and experience or interest in supply chain, agri-food tech, or geospatial platforms. Why You'll Love Working Here • Pivotal Impact: Your work will be at the core of our product and central to our company's success and mission., • Real Ownership: Receive a meaningful equity stake and be a true owner of the company’s journey.

Software Engineer (.NET / Azure) – London (Hybrid) London, United Kingdom | Full-time | Permanent I'm working with a global business undergoing a major digital transformation, and they’re looking to bring in an experienced Software Engineer to help shape the future of their Azure-based platform. If you're confident with .NET, Azure, event-driven architecture, and keen to work on meaningful, large-scale projects, this could be a great fit. The Opportunity You'll be joining a collaborative, cross-functional engineering team that’s modernising a core platform using cloud-native technologies. Key responsibilities include: • Developing high-performance Web APIs with .NET Core, • Designing and optimising Azure-hosted SQL PaaS databases using Entity Framework, • Building out event-driven microservices architecture, • Participating in architecture discussions, design sessions, and Agile ceremonies, • Contributing to a culture of clean code and continuous improvement What They're Looking For • 5+ years’ experience with .NET, SQL Server, Entity Framework, and Azure, • Solid understanding of distributed systems and event-driven design, • Strong grasp of OOP principles and microservices, • A self-starter with a problem-solving mindset and a passion for clean, scalable code Why It’s a Great Move You’ll be part of a forward-thinking team that’s solving real business problems with modern tech. There’s real opportunity to influence how things are built, work closely with experienced engineers, and contribute to a global transformation effort.

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost with fewer side effects. It is an ambitious vision that will require the development of products and solutions at the cutting edge of Machine Learning and AI, as well as extensive safety and robustness evaluations. We’re looking for a highly skilled machine learning engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of generative AI for drug discovery in a fast-paced environment, with a focus on impact and in collaboration with a large team. Our leaders will be committed to your career and development from day one. Key responsibilities • Back end development for a Python web application, • Integration of AI/ML components with frontend, backend, data and compute infrastructure, • Responsible for high quality software implementations according to best practices, including automated test suites and documentation, • Develop, measure, and monitor key metrics for all tools and services and consistently seek to iterate on and improve them, • Participate in code reviews, continuously improving personal standards as well as the wider team and product, • Liaise with other technical staff and data engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: • Demonstrated experience of Python backend development (e.g. using FastAPI), • Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience, • Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential, • Strong skills in Python, • Unit testing experience (e.g. pytest), • Knowledge of agile practices and able to perform in agile software development environments, • Strong knowledge of modern software development tools / ways of working (e.g. git/GitHub, DevOps tools for deployment) – should be able to show practice of commit early and deploy often Preferred qualifications: • Experience with Docker or containerized applications, especially architecture of multi-container applications, • Demonstrated experience with biological or scientific data (e.g. genomics, transcriptomics, proteomics), or pharmaceutical industry experience, • Knowledge of AI/ML approaches and deployment of AI/ML powered applications – especially using language models or NLP and agent-based approaches (e.g. LangGraph, PydanticAI, AutoGen), • Knowledge of AI/ML evaluation and benchmarking approaches, experience with iterative improvement of AI/ML models and products, • Some experience with frontend software development (e.g. React)

Job Title: Solutions Engineer Location: London (Hybrid – 3 days per week) Salary: £60,000 + bonus and perks About Our Client Our client is a global network of life-saving technology companies, united by a mission to create a safer, cleaner, and healthier future. Their portfolio of over 40 businesses delivers innovative solutions addressing critical challenges in health, safety, and the environment. They are undertaking an ambitious digital transformation, investing in smart, connected, and data-driven technologies to modernise operations and accelerate innovation. With a presence across Europe, the US, and Asia Pacific, this is an opportunity to join a forward-thinking organisation recognised as one of the UK’s most admired companies. The Role We are seeking a Solutions Engineer to join the Digital Solutions team, working alongside the Senior Solutions Architect. This role blends hands-on software development with strategic advisory, supporting group-wide technology initiatives while helping individual businesses adopt best practices. You’ll design and prototype solutions across cloud, AI, VR/AR, Edge AI, and emerging technologies. Your work will span both operational and customer-facing projects, giving you the chance to apply cutting-edge technology to real-world challenges and make a measurable impact. Key Responsibilities • Collaborate with the Senior Solutions Architect to design scalable, secure, and high-value technical solutions., • Lead and contribute to group-wide initiatives, including the rollout of in-house Generative AI solutions., • Design and build blueprints, proof-of-concepts, and prototypes using cloud services, AI, VR/AR, and Edge AI., • Provide hands-on guidance to operating companies on software development best practices, technology stack selection, DevOps, and CI/CD implementation., • Develop reusable assets such as reference architectures, templates, and playbooks to accelerate adoption and delivery., • Translate business requirements into technical solutions and deliver within agile environments., • Explore emerging technologies, providing demonstrations and guidance to support adoption across the group. Required Experience & Skills • 5+ years of cloud-native development experience, preferably Azure (AWS a plus)., • 5+ years of software engineering experience, mainly in C# and/or Python., • Strong knowledge of cloud services (Azure App Services, Functions, AI Services)., • Proficiency in REST APIs, microservices, and event-driven architectures., • Experience with Git-based version control (GitHub/Azure DevOps) and CI/CD tools (Azure DevOps, GitHub Actions, Jenkins)., • Solid understanding of solution architecture principles and software testing practices., • Experience delivering customer-facing products and supporting the full development lifecycle., • Excellent communication, stakeholder engagement, and advisory skills. Desirable • Experience with Generative AI, LLMs, RAG, LangChain, or Semantic Kernel., • Familiarity with Microsoft Power Platform., • Front-end experience with React, Angular, Vue.js, Flutter, or Progressive Web Apps., • Exposure to edge computing, VR/AR, or robotics. What You’ll Bring • Curiosity and passion for emerging technology., • Strong coding and problem-solving skills combined with a strategic, advisory mindset., • Confidence navigating complex organisations and driving adoption of best practices., • Pragmatic, entrepreneurial approach with a future-focused mindset. Location & Working Pattern This is a full-time, permanent role based in London, with three days per week in the office and occasional travel to other UK sites. Hybrid working arrangements balance collaboration, travel, and home-based work.