React native jobs in London - Page 2Crear alertas

Software Engineer – Full Stack (Python & TypeScript) A fast-scaling FinTech is expanding its engineering team and is hiring a Software Engineer with strong full stack capability across Python and TypeScript. Their platform supports businesses across the UK and continues to grow at pace, with billions already delivered through their systems. This role sits at the centre of their product and platform development, giving you the opportunity to work across the entire stack, influence how systems evolve, and help shape the next chapter of their technology landscape. What You’ll Work On As a full stack engineer, you’ll be involved in every layer of the product — backend services, frontend applications, and everything in between. You’ll: • Build and refine production systems across backend (Python) and frontend (TypeScript/React), • Design APIs, data flows, and user-facing features that work together seamlessly, • Work end-to-end: plan, build, ship, and support the software you create, • Help shape architectural choices for services, data, cloud infrastructure, and UI, • Collaborate with product, design, data, and engineering peers to deliver impactful outcomes, • Contribute to engineering standards, mentor teammates, and improve team ways of working, • Prioritise simple, maintainable solutions over unnecessary complexity, • Leverage modern tooling — including AI-assisted development — to speed up delivery and improve quality Tech You’ll Use Backend: Python, PostgreSQL, BigQuery, MySQL Frontend: TypeScript, React, styled-components Testing: Jest, React Testing Library, Cypress, pytest Cloud & Infra: AWS, GCP, ECS Fargate, Terraform, Docker CI/CD: GitHub Actions, automated pipelines No one is expected to know everything — what matters is strong engineering fundamentals and a willingness to learn. How the Engineering Teams Operate • Cross-functional squads with shared ownership of outcomes, • Continuous deployment with automated pipelines, • Test-first mindset and focus on high reliability, • Cloud-native systems designed for resilience and scale, • Engineers have full lifecycle ownership from idea → production → iteration, • Decisions guided by real user needs and data Team Culture • Inclusive, diverse teams where everyone’s input is valued, • Low-ego, supportive, and collaborative environment, • Space to experiment, propose new ideas, and influence direction, • Culture of learning, curiosity, and continuous improvement, • Strong emphasis on building robust systems, not just shipping fast

Senior Software Engineer - Gen AI 1 day a week in Central London, hybrid working Salaries paying £80k-£130k + annual bonus Oliver Bernard have partnered with a rapidly growing FinTech in London who are building the next generation of AI based financial products. We are looking for Senior Software Engineers who have commercial experience with GenerativeAI and LLM integrations. You will be building Gen AI frontend agents and working with hybrid codebases with hosted prompts. This is a full stack opportunity working in their Gen AI team, working across Python, TypeScript and React. We are looking for strong product led engineers, not just high scale specialists. Tech Stack: Python, TS, React, React Native, Cloud, DevOps, AI/LLMs, Vector Databases. The client are looking for someone to start as soon as possible and they are moving quickly with interviews! Please apply now for more information! Senior Software Engineer - Gen AI

Senior Full Stack Engineer | React / TypeScript / Python | £500–600/day (Outside IR35) | Soho (Hybrid) We’re supporting a profitable, fast-scaling FinTech that is hiring for a Senior Software Engineer to join on a 6-month contract, helping to shape and deliver modern, scalable systems within a collaborative, product-driven engineering culture. If you enjoy working on complex architectures, improving reliability, and building impactful features end-to-end with full ownership, this role offers significant influence and room to drive best-practice engineering. What you’ll be doing: • Designing and engineering large-scale systems, • Contributing to cloud-native architectures across AWS and GCP, • Improving developer experience, CI/CD pipelines, and automation, • Leveraging Generative AI tools to boost productivity and decision-making What they're looking for: • 5+ years’ experience building and scaling distributed systems, • Strong skills in Python and/or TypeScript, • Experience with React, PostgreSQL/MySQL, • Strong understanding of cloud (AWS/GCP), • DevOps mindset with experience operating production systems What’s on offer: • £500–600 per day, • Outside IR35, • 6-month contract, • Hybrid working: Soho Please apply to find out more details. Senior Full Stack Engineer | React / TypeScript / Python | £500–600/day (Outside IR35) | Soho (Hybrid)

Lead Software Engineer – FinTech A high-growth FinTech is expanding its engineering leadership and is looking for a Lead Software Engineer to guide the development of core platform capabilities. Their products enable businesses across the UK, and the organisation is scaling quickly as demand increases. This position is ideal for someone who enjoys hands-on engineering while also influencing architecture, mentoring others, and shaping how modern software is built and delivered. What You’ll Take Ownership Of As a technical leader within the team, you’ll be responsible for: • Designing, building, and improving large-scale distributed systems, • Working across both backend (Python) and frontend (TypeScript/React) components, • Taking full lifecycle ownership of your work — from concept to deployment and ongoing operation, • Contributing to architectural direction and evaluating technical decisions, • Supporting and uplifting engineers through mentorship and pairing, • Helping the team prioritise simplicity, performance, and long-term maintainability, • Making engineering decisions with product, users, and business impact in mind, • Leveraging modern tooling and AI-assisted development to optimise delivery How the Engineering Teams Operate • Squads are cross-functional with engineers, product, and design working closely together, • Work is guided by clear outcomes and real user needs, • Continuous deployment is the default, supported by fully automated pipelines, • Strong emphasis on testing, reliability, and observability, • Engineers hold end-to-end responsibility for the systems they create, • The platform is cloud-native and designed for scale, resilience, and rapid iteration Engineering Culture • A collaborative environment where ideas are shared openly and respectfully, • Diverse teams where inclusion is part of the everyday culture, • Engineers have freedom to experiment and propose new approaches, • Low-ego, supportive leadership focused on enabling people to do their best work, • A culture of continuous learning and improvement, backed by data and real-world feedback Tech Environment You’ll work with a modern and thoughtful stack, which includes: Python • TypeScript • React • PostgreSQL • BigQuery • MySQL • Docker • Terraform • AWS • GCP • ECS Fargate Plus a strong testing culture powered by: Jest • Cypress • pytest • React Testing Library

About the company Auquan develops autonomous AI agents that eliminate the repetitive, manual work slowing down financial institutions. Our technology supports credit, investment, ESG, and compliance workflows for leading firms including Goldman Sachs, UBS, CVC, and MetLife. Today, 40% of the world’s top 50 financial institutions use Auquan to remove manual processes, speed up decision-making, and achieve greater strategic impact. With engineering and product teams growing across the US and UK, we’re building an elite force of innovators ready to redefine what’s possible with AI and machine learning. The Role This role sits at the intersection of systems architecture, agentic AI workflows, and customer-facing problem solving. You’ll design multi-agent systems, build reusable primitives, and convert complex financial workflows into scalable automated products. You’ll work directly with leading investment firms and own the lifecycle of every agent you build - from design to reliability, deployment, and scale. What You’ll Do • Take ambiguous workflow requests and turn them into scoped, architected, implemented, and deployed multi-agent systems, • Build reliable multi-step, multi-agent workflows used in production by financial institutions, • Own reliability, latency, success metrics, and customer adoption, • Work directly with customer engineering teams to deliver smooth deployments, • Convert bespoke workflows into reusable platform primitives and components, • Build orchestration logic, tools, templates, and pipelines used across engineering pods, • Ship V1s in days, operate with high agency, tight prioritisation, and strong defaults, • Identify patterns across customers and turn them into reusable systems, • Influence architecture and direction of core platform components, • Use AI for coding, testing, debugging, workflow design, and documentation, • Build evals, safety nets, and AI-native engineering workflows Must haves: • Degree in Computer Science, Software Engineering, or equivalent practical experience., • Proficiency in Python, • Strong understanding of backend fundamentals: APIs, databases, caching, messaging systems and distributed architectures., • Strong problem-solving abilities and attention to detail., • Ownership mindset capable of shipping end-to-end features with minimal oversight., • Excellent communication skills and collaborative attitude., • Team-oriented, low-ego mindset and curiosity for learning. Nice to haves: • Front-end development (Typescript, React, NextJS...) or full-stack exposure, • Built or orchestrated multi-step LLM or agentic workflows, • Experience with financial workflows (credit, investment, ESG, risk), • Infra/ops exposure (Kubernetes, Terraform, Azure/AWS, CI/CD, observability), • Experience at early-stage startups, • Built internal frameworks, tooling, or templates used by multiple teams, • Experience with evals, guardrails, or workflow orchestration systems Team & Culture High-agency, high-velocity, no-politics. We move fast, unblock ourselves, work directly with customers, give clear feedback, and minimise process. We’re building the platform that automates analytical work across finance - a category-defining opportunity.

Job Description Role Purpose The Frontend Engineer will design and build enterprise-grade visualisations that deliver actionable insights at speed initially, whilst ensuring frameworks can scale across all OpCos. This role demands consultancy-level frontend engineering expertise and the ability to balance velocity with strong engineering standards and discipline. Key Responsibilities · Rapid prototyping: Deliver initial dashboards and visualisations in Tableau to meet urgent business needs · Robust engineering: Architect and build production-grade, reusable dashboard solutions using modern frontend technologies, integrating with enterprise APIs and data sources · Scalability & performance: Ensure solutions are modular, performant, and salable across OpCos, with CI/CD, automated testing, and cloud-native deployment · Operational integration: Embed visualisations into BA workflows, enabling real-time decision-making and measurable impact · Collaboration: Work closely with Data Engineers, Backend Engineers, and Analysts to ensure cohesive solutions deliver cohesive, high-quality solutions · Multi-OpCo deployment: Design for interoperability and reusability across BA, Aer Lingus, Iberia, Vueling, etc · Stakeholder engagement: Translate business requirements into impactful visual experiences; drive adoption and continuous improvement Required Skills & Experience · 10+ years in enterprise frontend engineering in AI/data environments. · Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement · Deep hands-on experience with modern frontend frameworks (React, Typescript, etc) · Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration · Strong knowledge of API integration. · Proven experience in developing, testing, and deploying robust frontend solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of- concept or prototype stages. · Familiarity with airline or logistics data domains is a plus. · Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value. · Initial co-location with BA teams in London is essential to ensure close collaboration. Candidates must also be prepared to travel internationally during later stages to facilitate group-wide deployment. Preferred Consulting-Level Competencies · Track record of delivering high-value products in large, complex organizations, ideally FTSE- 100 Group enterprises or similar · Strong stakeholder engagement and solution-oriented mindset. · Experience in advisory or consulting roles for engineering projects. · Track record of creating high-impact outcomes and driving stakeholder satisfaction from day one. · Ability to implement standards and frameworks for scalable visualisations across multiple operating companies.

Frontend Engineer Key Responsibilities • Rapid prototyping: Deliver initial dashboards and visualisations in Tableau to meet urgent business needs, • Robust engineering: Architect and build production-grade, reusable dashboard solutions using modern frontend technologies, integrating with enterprise APIs and data sources, • Scalability & performance: Ensure solutions are modular, performant, and salable across OpCos, with CI/CD, automated testing, and cloud-native deployment, • Operational integration: Embed visualisations into BA workflows, enabling real-time decision-making and measurable impact, • Collaboration: Work closely with Data Engineers, Backend Engineers, and Analysts to ensure cohesive solutions deliver cohesive, high-quality solutions, • Multi-OpCo deployment: Design for interoperability and reusability across BA, Aer Lingus, Iberia, Vueling, etc, • 10+ years in enterprise frontend engineering in AI/data environments., • Expertise in Tableau and/or PowerBI for rapid prototyping and stakeholder engagement, • Deep hands-on experience with modern frontend frameworks (React, Typescript, etc), • Hands-on experience with cloud platforms (AWS preferred); familiarity with scalable deployment and integration, • Strong knowledge of API integration., • Proven experience in developing, testing, and deploying robust frontend solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype stages., • Familiarity with airline or logistics data domains is a plus., • Significant experience in similar roles, with a proven ability to integrate quickly into new teams and deliver immediate value., • Initial co-location with BA teams in London is essential to ensure close collaboration. Candidates must also be prepared to travel internationally during later stages to facilitate group-wide deployment.

Mid-Level Software Engineer (React Native) Location: Hybrid – London About Nando’s & Our Values At Nando’s, everything we do is guided by our five values: Pride – We take pride in our work and aim for excellence. Family – We look out for each other and build strong relationships. Passion – We bring energy, purpose, and love to what we do. Integrity – We do the right thing, even when no one’s watching. Fun – We enjoy the journey and create moments that make people smile. These values inspire how we build products, how we treat each other, and how we support our Nandocas across the business. About the Role The Digital Workplace Experience (DWE) team crafts the internal digital tools that empower every Nandoca to learn, grow, connect, and thrive. We’re looking for a Mid-Level Software Engineer who’s excited to learn, collaborate, and make a meaningful impact—someone who embodies our values in the way they build and the way they work with others. Your early focus will be on helping to build and scale Nossa Casa, our brand-new Nandoca mobile and web application—plus the APIs and design system that power it. This is a role for someone who is curious, proactive, and driven to develop their skills with the support of a warm and collaborative team. About the Digital Workplace Experience (DWE) Team We’re a cross-functional team shaping the digital fabric of life at Nando’s. We: • Build beautiful, simple and inclusive digital experiences used by thousands of Nandocas, • Create and maintain internal web and mobile apps, design systems, APIs, and platform services, • Act as champions of engineering excellence, good design, accessibility and AI-assisted development, • Work closely with People, Ops, Product and Design to solve real-world problems in our restaurants, • Bring Nando’s values alive in our delivery: Pride in our craft, Passion for learning, working as a Family, acting with Integrity, and keeping things Fun What You’ll Be Working On Your first major mission: Helping to implement Nossa Casa / Nandoca Mobile You’ll contribute to the codebase across React Native (web), React (web), APIs, and shared design systems. Alongside the team, you’ll work with: • Node.js / Express web API development, • OpenAPI specification–driven development (AI-assisted), • Storybook design system development and component libraries, • Figma designs → interactive UI components, • Docker containerisation and container-based deployment, • Terraform IaC for deploying APIs into Google Cloud Platform (GCP), • Claude CLI and other AI developer tooling (bonus experience), • Modern engineering practices, with strong mentorship and peer support This is a safe space to learn. You don’t need to know all of these today just bring curiosity and a hunger to grow. What We’re Looking For Essential Experience • 3+ years continuous experience with React Native, • 2+ years continuous experience with React, • Comfortable collaborating with designers, PMs, and engineers, • A proactive, curious engineer who takes pride in quality, • Someone who brings passion and positivity to their craft, • A team player who supports others and fosters family spirit, • High integrity, empathy, and respect for diverse perspectives, • A willingness to experiment, learn, and have fun doing it Nice to Have (or Willing to Learn) • Node.js / Express API development, • OpenAPI-driven design, • Storybook + Figma pipelines, • Docker, • Terraform, • Deploying APIs to GCP, • Claude CLI workflows (Atlassian, Figma, Storybook, Context7), • AI-assisted workflows and spec-driven development Why Nando’s? • A people-first culture grounded in warmth and belonging, • Inclusive engineering teams where your voice is heard, • Psychological safety, mentorship, and room to grow, • Technical ownership with the support to build confidence, • Time to learn new skills across design, dev, and cloud, • Real impact your work improves daily life for thousands of Nandocas, • Flexible hybrid working, • And of course… free Nando’s Here, you’re not just building software you’re helping build the digital home for the entire Nando’s family. If This Sounds Like You… We’d love to hear from you. If you don’t tick every single box but feel excited by the mission and aligned with our values, we encourage you to apply. Passion and potential go a long way at Nando’s.

About Us: At Dabster, we specialize in connecting top talent with leading global companies. Our mission is to be the foremost recruitment specialist in securing exceptional talent for a diverse range of global clients. The Role Job Description: We are seeking two Senior Full Stack Developers to join our build team for Wave 2 of an 18-month Agentic AI transformation program with a London-based fund administrator. The role involves building and maintaining a production-grade agentic AI application on the client’s Azure cloud environment. Key Responsibilities: • Design, develop, and maintain full stack web applications using React and modern backend frameworks, • Build and deploy Kubernetes-based microservices on Azure, • Contribute to CI/CD pipelines using Azure DevOps, • Strong experience as a Senior Full Stack Developer in production environments, • Hands-on expertise with Kubernetes and microservices architecture, • Proficiency in React, Azure, and CI/CD using Azure DevOps, • Experience with PostgreSQL and cloud-native application deployments, • Exposure to AI/agentic systems (pydantic AI or similar) is a plus How to Apply Apply by submitting your resume today, showcasing your relevant experience and passion for the position via LinkedIn Easy Apply or directly to . "We do not provide any sponsorship to the job aspirants."

Founding Software Engineer – AI (Python / Typescript) £150,000 – £175,000 + meaningful equity On-site in London (£10K relocation provided) Join a deeply technical AI-native startup founded by PhDs and researchers from Cambridge, Imperial, and other top European and US institutions. This is an opportunity to work directly with a team who’ve published at leading AI conferences, built open-source tools used across the industry, and scaled high-performance systems from first principles. Now, they’re hiring a Founding Software Engineer to help build the next generation of reasoning tools powered by large language models. The product is already live with paying customers, and the company is well-funded with serious growth ambitions. What you'll work on: • Architecting and scaling LLM-powered applications, • Building efficient inference pipelines and backend infrastructure, • Working across the stack to ship production-grade code fast, • Collaborating directly with the founders and early technical hires What they’re looking for: • A degree from a world-leading university (e.g. Cambridge, Oxford, EPFL, ETH Zurich, ENS, TUM, etc.), • Experience in AI-focused products, ideally within a high-growth or research-heavy environment, • Strong Python engineering skills; full-stack capability a bonus (Postgres, Typescript, React), • A bias toward action, autonomy, and technical depth This isn’t a typical startup job. It’s a chance to work alongside an elite team of engineers and scientists on hard technical problems — with equity and early ownership in a company building something truly original in the AI space. If you’re ready to build fast, learn constantly, and work on meaningful AI challenges, we’d love to hear from you.

Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity We have just partnered with one of the most exciting early stage start-ups in the AI creativity space who need an engineer who will come in, be scrappy and move super fast to deliver by challenging status quo and deleting when necessary. They are currently partnered with one of the biggest household names in the world and as such need to expand their team of 15 going into 2026. They have a team of 5+ engineers in their Founding team from the top companies in the world including Twitter. Most of their backgrounds are from a Founder/Co-Founder, Founding Engineering Team or VC backed background (On Deck, Y Combinator, Antler or Entrepreneur First) and that is what they are looking for in their next hire without looking at years of experience. This Founding Software Engineer role is for someone who has full stack experience mainly working on Frontend (React/React Native) and Backend (Node/Python) projects. It is for someone who can challenge the status quo and not be worried about putting their opinion across. Someone who can provide the team with strong engineering practices but also contribute to the overall build of the product without worrying about unblocking themselves if needed. It is the perfect opportunity to join a company that is backed by a CEO with tons of experience in running businesses and leading them to IPO stage, as well as, with the capacity to self-fund this venture. 🤖 Tech Stack: React Native, React, Node, Python (AI) 🏠 Hybrid/Remote: 3-4 days/week in Central London 🤑 Salary & Benefits: Up to £120k + Equity + Holidays What they are looking for: ⭐ Strong experience in start-up/founding positions building and scaling projects but also adjusting to a pivot in business - do not worry if the start-up did not kick off, everyone's welcome! ⭐ Confidence in working with React Native on Mobile is a plus with experience on React/Node/Python as a desirable skill (Please note not all backend tech is necessary, but it helps to show expertise in learning new tech stacks). ⭐ Ideally someone with experience from programmes like Entrepreneur First, Antler, On Deck or Y Combinator. ⭐ Years of experience do not matter as long as relevant experience is in place so do not feel limited by the length of your CV. If interested, please apply to this role or email me at Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity

Lead Software Engineer – React/TypeScript/AWS – £90-100k We are partnering with a well-funded startup that is building an innovative platform empowering private investors to manage their portfolios not only for financial performance but also for sustainability and ESG impact. As an AI-native platform on an exciting growth journey, they are seeking a lead engineer to help shape their architecture as they scale. The Role You’ll take ownership across the full stack- from designing APIs and data models to crafting seamless, high-performing user interfaces. Working closely with product and design teams, you’ll help bring to life tools that make investing smarter, more transparent, and more sustainable. What you’ll bring • 6+ years of experience building production web applications and at least 2 years in a tech lead or staff role., • Solid experience with React, TypeScript, and Node.js, • Familiarity with Next.js and GraphQL, • Previous startup experience, • A passion for clean code and intuitive product design, • Interest in fintech, investing, or ESG innovation Nice to Haves • Comfortable working with tools like Postgres, Prisma, GraphQL, or Next.js, • Hands-on experience with AI or agent frameworks (such as LangChain or LangGraph), • Experience building something from scratch — whether a side project, startup, or open-source app Tech Stack • Frontend: React, TypeScript, Next.js, • Backend: Node.js, GraphQL, • Database & Cloud: Postgres, AWS Why Join? • Opportunity to contribute to a mission-driven product at the intersection of finance and sustainability, • Work within a collaborative, high-performing team where individual input is valued, • Play a key role in an early-stage company where contributions directly influence success, • Competitive salary (£90-100k), • Fully Remote Role Lead Software Engineer- Fully Remote- £90-100k

🚀 Senior Fullstack Engineer – Scaling FinTech Platform We’ve partnered with a fast-growing FinTech organisation on a mission to empower ambitious businesses across the UK. Since launching, they’ve provided billions in funding, supported job creation nationwide, and helped fuel economic growth, all while delivering innovative solutions for their customers. The Role 👋 • 5+ years’ experience designing and engineering large-scale systems, • Measure success in terms of business impact, not lines of code, • Embrace DevOps culture: You build it, you run it, • Collaborate cross-functionally and earn trust across the organisation, • Mentor and grow colleagues through knowledge sharing, • Prefer simple, effective solutions over unnecessary complexity, • Work well with a diverse team of experts, • Balance strong opinions with openness to team consensus, • Think broadly about the wider business impact of technical decisions, • Leverage Generative AI tools to enhance productivity and decision-making Tech Stack 🧱 They’re pragmatic about tools and use what works best. Current technologies include: • 🗃 Python, • 🗄️ PostgreSQL, BigQuery, MySQL, • 🎨 TypeScript, React, styled-components, • 🔧 Jest, React Testing Library, Cypress, pytest, • ☁️ AWS, GCP, • 🚀 ECS Fargate, Docker, Terraform, GitHub Actions How They Work 👷 ♀️ • Collaborate 💬 – Cross-functional, mission-driven squads with shared ownership, • Focus on outcomes ✅ – Solve user problems that drive measurable business results, • Continuous improvement 💡 – Learn fast, share lessons, and encourage innovation, • User empathy 👂 – Regularly engage with users to inform product direction, • Continuous deployment 🤖 – Automate releases for speed, security, and reliability, • Test-first mindset 🚦 – TDD approach focused on solving real user problems, • End-to-end ownership ⚙️ – Engineers own delivery from idea to production, • Cloud native ☁️ – Build resilient, secure services using automation and SaaS tools Engineering Culture ❤️ They believe the best teams are diverse, inclusive, and collaborative. You can expect: • A wide range of voices and perspectives heard and valued, • A culture of safety, openness, and humour, • Zero egos — everyone learns from each other, • Teams empowered to innovate and take ownership Benefits 😍 • True hybrid working — no fixed days in the office, • 25 days holiday + bank holidays and enhanced family leave, • Competitive salary & equity package, • High-spec laptop (macOS or Ubuntu), • Team socials and informal office breakfasts/dinners, • Cycle-to-work and EV scheme

MUST BE BASED IN THE UK TO BE ELIGIBLE. Are you an experienced Full-stack Engineer seeking new and exciting opportunities? While we may not have an immediate vacancy, we’re always on the lookout for talented individuals to join our Talent Pool. Who We Are 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. What We’re Looking For We want to connect with Full-stack Engineers who demonstrate expertise in a broad range of core skills and experience, including but not limited to: • Experience in front-end development, with expertise in frameworks such as React., • Experience in Python development (e.g., using FastAPI) for backend services., • Comfortable working with modern, cloud-native technologies and continuous deployment practices., • Strong skills in JavaScript/TypeScript and similar., • Understanding best practices for scalable, maintainable code and automated testing., • Curious, collaborative, and passionate about applying technology to improve health outcomes., • Familiarity with agile methodologies and ability to thrive in collaborative, iterative environments., • Experience in AI/ML or life sciences is a plus, but not required - what matters most is a commitment to continuous learning and a desire to make an impact. What You Might Be Doing As an Full-stack Engineer at GSK, you could get involved with: • Developing front-end applications and interactive data visualizations., • Integrating AI/ML components with backend systems and data pipelines., • Building and maintaining cloud-based infrastructure for large-scale applications., • Collaborating with designers and scientists to create intuitive user experiences., • Driving best practices in software development, testing, and deployment. Why Join Our Talent Pool? • Be the first to hear about new full-stack roles as soon as they go live., • Gain access to exclusive insights about GSK’s roles, projects and company culture., • Receive updates on training, development opportunities, and industry trends. 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. 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 a US 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 For the Record site.

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. We are seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both a cloud-based SaaS platform and mobile app, which will streamline complex legal workflows and enhance document automation. Your work will directly shape the user experience ensuring the product is intuitive, accessible, and visually engaging. Required Skills & Experience: • Strong creative background in UI/UX mobile design with Figma, Balsamiq & Adobe backed up with a portfolio of work for ‘blue chip’ organisations, • Strong front-end development skills with React, JavaScript, TypeScript, HTML & CSS and confident in a position requiring 50% complex frontend coding, • Some exposure to and interest in backend development & integration with C#, • Experience with SaaS & mobile product development and cloud-based deployment (ideally Azure), • Solid understanding of responsive design, accessibility (WCAG), and cross-browser compatibility., • Excellent problem-solving skills and attention to detail., • Strong communication and collaboration abilities., • A willingness to work 30% in office & 70% remote Key Responsibilities: • Design and implement responsive, user-friendly interfaces for a global SaaS / mobile platform in a fast-paced setting with minimal iterations, • Develop front-end components using JavaScript, React, Typescript, HTML & CSS within a .NET environment., • Collaborate with product managers, engineers, and end-users to translate requirements into elegant UI solutions., • Conduct usability testing and iterate designs based on feedback from legal professionals., • Ensure design consistency across platforms and adherence to WCAG accessibility standards., • Work closely with backend developers (C#, Azure) to integrate APIs and services securely and efficiently i.e. pick up some C# coding yourself, • Maintain design documentation and UI component libraries for scalability and reuse. £75k-£82k + 10% bonus + outstanding benefits. City of London.

Senior Front End Developer Senior Front End Developer – Global Workforce Technology Innovator – London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with a bold vision: to transform organisational scheduling by replacing outdated processes with intelligent, beautifully crafted digital solutions. What started as a simple idea has grown into a global movement-one that empowers employees, reduces operational complexity, and uses innovative technology to reshape the future of workforce management. Their rapid growth is driven by a deeply talented engineering team-people who blend craftsmanship with creativity, and who take pride in building products that solve meaningful, real-world problems. If you’re a Senior Front End Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React, committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native. You'll play a key role in shaping the UI across both web and mobile platforms, while influencing architectural decisions and raising the bar for engineering excellence. You’ll be working in a modern front-end environment that includes React, React Native, TypeScript, component-driven development, and a rapidly evolving design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that’s improving performance, enhancing accessibility, or leveraging tools like Storybook, Vite, and cutting-edge AI workflows. As a senior engineer, you’ll help define the future of their shared codebase while mentoring others and championing best practices around tools, testing, and performance. They are looking for Senior Front End Developers with experience in some or all of the following: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component-Driven Architecture, Design Systems, State Management (Redux, MobX, Apollo, Zustand), Accessibility, Testing, Performance Optimisation, API Integration, Vite, Webpack, Storybook, and mobile development using React Native. All positions come with the following benefits: • Unlimited holiday, • Free medical, dental and vision coverage, • Hybrid working (only 1 day a month in the office, in reality 1/quarter), • Expenses for travelling to the office paid, • Charitable giving programmes, • Virtual team classes, events and happy hours There is no ‘I’ in team. By bringing together curious minds, talented engineers, and a culture that encourages experimentation, the company continues to grow year after year. They have ambitious plans and global reach, making this an exciting moment to join. If you’re driven by quality, motivated by impact, and want to work with modern technologies like React and React Native, this is the perfect opportunity. Location: London, UK / Remote Working Salary: £70,000 – £90,000 + Bonus + Pension + Benefits Applicants must be based in the UK and have the right to work in the UK, even though remote working is available. To apply for this position please send your CV to Lina Savjani at Noir. NOIRUKTECHREC NOIRUKREC NC/LS/66137

Engineering Manager – Cybersecurity Applications – Fully Remote £100,000 base salary plus equity and benefits. Fully Remote I’m partnering with an analyst-recognised cybersecurity scale-up whose platform shows large enterprises how they could be compromised in real time, before attackers succeed. They blend attacker behavior, large-scale data pipelines and automated offensive security to give security teams true, live exposure visibility. The Role for Engineering Manager, Cybersecurity Applications You’ll be the global owner of the customer-facing application stack, leading the teams that ship the features enterprise customers actually touch: • Lead and grow a high-performing Applications Engineering organisation across three regions, setting the bar on quality, speed and reliability, • Own core SaaS capabilities – onboarding, account lifecycle, auth/SSO, granular access control, notifications, logging and multi-tenancy, • Partner tightly with Product and Design to turn complex security data into simple, powerful workflows that customers love, • Shape engineering practices across teams, embedding quality, security and agility into how software is built and shipped The Person for Engineering Manager, Cybersecurity Applications You’re an established scale-up engineering leader who still cares deeply about the tech: • Proven track record leading distributed engineering teams and developing local leads in different regions, • Experience in cybersecurity products or security data at scale, ideally threat intel / offensive security, in B2B SaaS start-ups or high-growth scale-ups, • Strong technical grounding across Node.js, Typescript, React, MySQL and cloud-native architectures (AWS, ECS/K8s, Kafka, Airflow), • Comfortable driving Agile and DevOps culture, and setting high standards for clean, testable, secure code in fast-moving environments If you want to own a mission-critical part of a world-class cyber platform and build the team that ships what customers see every day, this is that role.

Principal Software Engineer | Front End (React) | London, Hybrid Our client is a forward-thinking global firm redefining the future of finance through technology. They are looking for a Principal React Engineer who can set the technical direction for the front-end, champion best practices, and still enjoy being hands-on. Someone who obsesses over clean design, performance and scalability, and is comfortable leading from the front. The Opportunity You’ll be the go-to technical leader for front-end engineering within a cross-functional product team, shaping the architecture, tooling and standards for user-facing applications used by investment professionals across the business. The team is currently re-architecting its stack to be fully cloud-native (AWS), with React and TypeScript on the front end and Python-based services on the backend. You’ll work in a culture that values engineering excellence – TDD, clean code, pair programming, thoughtful code reviews – and your voice will carry weight in how the platform evolves. What You’ll Do • Lead the design and development of complex, high-performance React applications using React, TypeScript and modern front-end libraries., • Define and drive front-end architecture, standards and best practices, ensuring quality, consistency and reusability across products., • Collaborate closely with Backend, UX and Product to refine user journeys, ensuring interfaces are intuitive, performant and accessible., • Partner with portfolio managers, researchers and analysts to translate complex domain problems into elegant, user-focused solutions., • Mentor and coach other engineers, raising the bar on code quality, testing and delivery discipline., • Contribute to the evolution of a cloud-native architecture on AWS, working closely with backend and platform teams. 📍 Location: London City, hybrid working (3 days per week in the office) 💷 Package: Highly competitive base + bonus + benefits What You’ll Bring • Significant experience building large-scale React and TypeScript applications, ideally in complex or data-heavy domains., • Experience within Financial Services environments is highly advantageous e.g. Investment banking, trading, asset management, etc., • Deep knowledge of React, TypeScript, state management (e.g. Redux or similar), Apollo Client and GraphQL/REST APIs., • Experience in cloud-native environments (AWS or Azure), and how front-end and backend services fit together in distributed systems., • Strong understanding of front-end performance optimisation, including data streaming (WebSockets, server-sent events, chunked responses)., • Solid experience with testing strategies (unit, integration, E2E) – Playwright, Cypress or similar tools a plus., • Bonus points for experience with design systems (e.g. Material UI) and data visualisation libraries. About You • A hands-on technical leader who’s comfortable making architectural decisions and backing them up with code., • Confident owning front-end initiatives end-to-end, from discovery and design through to delivery and optimisation., • Collaborative and pragmatic - able to work across product, UX and engineering teams without ego., • Curious, always learning, and keen to improve both the codebase and the way the team works. If you are interested in this Principal Software Engineering Role, please respond to this advert directly with your updated CV or email it to

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: Staff Engineer Job Type: Permanent Location: London, UK Mode of Working: Hybrid Number of hours: 40 hours per week – full time Ready to utilize your experience and expertise in Staffing Engineer? We have an exciting role for you – Staff Engineer! Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. • Build strong relationships with a diverse range of stakeholders., • Gain access to endless learning opportunities., • Work closely with the range of teams within the business to bring products to life. The Role As a Staff Engineer, you will leverage your technical expertise to deliver high-quality engineering solutions as part of self-managing, multi-disciplinary teams. You will collaborate with Product and Delivery teams to design, build, and maintain products that address complex challenges. This role involves driving transformation, championing modern engineering practices, and contributing to a cutting-edge digital ecosystem using innovative technologies. Key responsibilities: • Build and maintain high-quality, reliable software with strong automation and cloud-native practices., • Take ownership of complex backlog tasks and deliver them consistently with minimal issues., • Support other engineers in producing clean, maintainable code through code reviews and pair programming., • Drive DevOps practices to automate the product development lifecycle and enhance delivery efficiency., • Provide out-of-hours technical support as part of the support rota., • Contribute to and help define Product Group OKRs, demonstrating accountability for team objectives., • Champion continuous learning and improvement for product quality, stability, and health., • Collaborate effectively to solve problems and communicate decisions clearly to stakeholders., • Contribute to product planning and roadmap discussions with an agile mindset., • Demonstrate pragmatism in balancing commercial delivery with software quality., • Promote technology, innovation, and best practices within the team and wider engineering community., • Coach, mentor, and develop less experienced engineers by providing guidance and resources., • Embed cybersecurity best practices into design, development, and operations to ensure secure and compliant solutions., • Champion modern engineering practices, including cloud-native architectures, microservices, and continuous delivery, to build scalable and resilient systems. Your Profile Essential skills/knowledge/experience: • Backend Development: Hands on delivery in Java 17+ with Spring Boot/Micronaut; strong automated testing (unit, integration, contract) and performance testing., • Architecture & Patterns: Proven application of SOLID, GoF, Hexagonal/Clean Architecture, CQRS, Circuit Breaker, Retry/Backoff, and idempotency., • Domain Driven Design: Modelling with bounded contexts, aggregates, entities/value objects, domain events, anti-corruption layers, and clear service boundaries., • Event Driven Architecture: Kafka experience including schema evolution, event versioning, idempotent consumers, DLQ handling, and transactional outbox., • Data & Caching: RDBMS such as MS SQL/Oracle, NoSQL such as MongoDB, query/index optimization, and Redis backed caching strategies., • Cloud & DevOps: Azure (AKS/Web Apps/Logic Apps), CI/CD with GitHub Actions, terraform (IaC), containers/Kubernetes; focus on reliability, safe deployment, and cost optimization., • Observability: Metrics, logs, and traces (Dynatrace/OTel), alerting, SLOs, and performance tuning in production., • Experimentation & Rollouts: Feature flags, A/B testing, and telemetry driven decisions to improve customer outcomes and delivery metrics., • Security & Compliance: Secure coding, authn/z, secrets management, data protection, and threat modelling aligned to org standards., • Collaboration & Documentation: Clear technical communication, ADRs/diagrams, and effective cross team partnership (backend–frontend–platform). Desirable skills/knowledge/experience: • Python: Tooling/automation, data pipelines, or service prototypes complementing the Java stack. • Frontend Literacy: TypeScript/React to shape contracts, validate integrations, and maintain end to end quality., • Test Automation: Playwright/Selenium and reliable test data setup for critical journeys., • Enterprise Integration: Experience with ERP/COTS integrations (e.g., BY WMS, SAP, warehouse automation, MQ, Mule) and resilient data synchronization patterns., • Open Source & Inner source: Contributions that elevate engineering standards and reuse across teams. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. Diversity, Inclusion and Wellbeing Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes. You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: “Adjustment Request” or call TCS London Office 02031552100 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process. Next Steps Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion. Join us and do more of what matters. Apply online now.

Senior React Native Engineer Outside IR35 Up to £450 per day 3-6 months January start Hybrid, London (one day per week in the office) A UK FinTech is hiring a Senior React Native Engineer on a contract basis to work on a production mobile application. You will be working with React Native, Expo, and TypeScript, delivering a UI focused, design system led mobile experience as part of a small, experienced product team. This role sits alongside a wider platform programme and is focused on owning the mobile UI work for a co branded version of an existing app. The environment suits a senior contractor who is comfortable working autonomously while collaborating closely with product and design. What you will be doing • Building and enhancing a React Native mobile application in production, • Delivering a co branded UI aligned to external partner guidelines, • Working within a design system led setup with strong attention to visual quality, • Collaborating with product managers, designers, and engineers, • Ensuring high quality, production ready UI Key skills • Strong commercial experience with React Native on production apps, • Expo experience, including Bare workflow, • TypeScript, • Experience working in UI heavy, design system led environments Nice to have • Localisation or multi language experience, • Exposure to FinTech or regulated environments Interested, or know someone who would be? Click apply or get in touch directly on

💼 Staff Frontend Engineer (React) 💸 £100-110k + package incl. equity 📍London hub - hybrid working (2 days pw) 💻React, Next.js, Typescript, Postgres, Kafka, Vercel, AWS etc. Does joining a near profitable AI start-up (B2B SaaS) already working with global leaders in SaaS to improve efficiency and revenue interest you? How about joining as a Senior Frontend Engineer owning technology direction and roadmap of the platform? Then this could be the one for you! SwitchTT are partnered with an AI B2B SaaS start up who after 3 years are closing in on profitability, hiring for a Senior Frontend Engineer to take ownership of strategy, direction and greenfield product development. You’ll be working on a product used by some of the largest B2B SaaS businesses automating processes and improving efficiencies and in-turn revenue. As the Senior Frontend Engineer you’ll join a highly collaborative team who are constantly learning and evolving, working on product features. Not only will this role take ownership of technology decision making and strategy for the customer facing front end, this offers the chance to contribute to the business direction. With a extensive list of feature requests from existing customers as well as, onboarding new larger customers - this is an excellent time to be joining for someone with ambitious career goals. Senior Frontend Engineer Requirements: • 5+ years’ experience software engineering experience working within high scale product led environments, • Evidence of building attractive Frontend features and products from 0-1, • Evidence of leadership and ownership within a start up/scale up environment, • Experience working within a startup environment with autonomy, • Have previously worked with cloud native technologies at scale (ideally AWS) Technical Environment: React, Next.js, Typescript, Postgres, Kafka, Vercel, AWS etc. If you’re a Senior Frontend Engineer looking for an opportunity to join a start-up who are on an exciting journey where you’ll have the ability to influence and contribute to technology, commercial and product decision making, please apply now!

The Client Our client is a globally recognised investment firm where engineering is treated as a strategic advantage. Their equity platform is powered by a proprietary technology stack built in-house and used directly by investors to research ideas, construct portfolios and manage risk in real time. Engineers sit close to the problem space, solving complex data, performance and scale challenges rather than working on generic internal tooling. What You’ll Get • Ownership of systems that directly influence investment decisions, • Exposure to modern, cloud-native architecture in a high-performance environment, • The ability to work across the full stack, from backend services to user-facing applications, • A culture that values clean design, scalability and engineering judgement, • Competitive compensation aligned to impact, not tenure What You’ll Do • Design and build distributed, cloud-native services supporting large-scale equity workflows, • Develop high-performance backend systems using C#, Python and Go, with a strong focus on reliability and throughput, • Build and evolve APIs and service-to-service communication using gRPC, • Contribute to modern web interfaces built with React, used daily by investment professionals, • Work with large, complex datasets using analytical and columnar data stores such as Snowflake and ClickHouse, • Collaborate closely with users to iterate quickly while maintaining production-grade standards What You’ll Need • Significant experience building and maintaining production systems (8+ years), • Deep knowledge of an object-oriented language (C# or Java) and strong Python experience, • Experience working with cloud infrastructure (AWS preferred), • Comfort designing scalable systems and making architectural trade-offs, • Financial markets experience is beneficial but not essential, curiosity and problem-solving matter more, • A pragmatic, low-ego approach to engineering in a collaborative environment

Software Engineer - Python, React We are working with a leading FinTech who are looking for a Full Stack Engineer to join on a contract basis. You’ll work across Python services and modern front-end applications built with React and TypeScript. The role involves building high-quality features, improving performance, and collaborating closely with product and engineering teams. We’re looking for someone who is hands-on, comfortable across the stack, and able to deliver in a fast-moving environment. Experience with cloud-native development, APIs, and secure coding practices is beneficial. This is a 12 month contract role (Outside IR35), and is paying £500-£600 per day. This is a hybrid role, 1 day a week in Central London. Please apply now for more information! Software Engineer - Python, React

Technical Lead – TypeScript / React Native – Fully Remote My client is seeking an exceptional Tech Lead- someone who has risen through high-performing engineering environments (startups/scaleups especially), shows clear progression, is widely regarded as an A-player, and combines strong leadership capability with a deep love of coding. We are looking for an engineer who has already demonstrated real influence and impact within strong product-led organisations: someone who has led teams, mentored engineers, made architectural decisions, and delivered at pace-yet still wants to spend around 80% of their time writing high-quality production code. This is a truly hands-on leadership role: acting as a player-coach, guiding the engineering team through the next phase of scale while maintaining excellent technical standards and velocity. What You’ll Be Working On • Mobile Apps: TypeScript, React Native, Expo, • Backend: TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma, • Web Apps: TypeScript, React, Vercel, • Internal ERP: TypeScript, Next.js, Vercel, • Deployment: High-velocity release culture—multiple deploys per day to tens of thousands of users Key Responsibilities • Lead end-to-end development and delivery of features across mobile, backend, and internal tools, • Shape the technical roadmap and make high-impact architectural and scaling decisions, • Maintain high quality, reliability, observability, and performance across all applications, • Act as a mentor and technical guide, establishing strong engineering principles and practices, • Drive engineering productivity using modern AI-accelerated development tools, • Remain highly hands-on-writing production code daily and unblocking the team when needed, • Collaborate directly with founders, influencing both technical and product direction Requirements We are specifically seeking candidates with: • Experience in strong engineering environments (high-calibre startups, scaleups, or product-led teams), • Clear career progression demonstrating growth, responsibility, and impact, • Demonstrated leadership ability: mentoring engineers, guiding decisions, supporting delivery, • Desire to remain hands-on (approx. 80% coding) while providing effective technical leadership Technical Skills: • Deep experience with TypeScript, React Native, React, Node, Postgres, GCP/Firebase, • Full-stack mindset: mobile, backend, web, SQL, • Track record of writing production-ready, maintainable, and observable code, • Comfortable operating in a fast-paced release culture (multiple deploys/day), • Product-focused mindset with strong user empathy, • 5+ years of engineering experience in high-velocity product environments, • Experience with AI-powered SWE tools (Cursor, Windsurf, v0, etc.) Preferred: • £80–100k per annum (depending on experience & location), • Annual performance bonus up to 15% Click Apply Now to submit your CV.

💻 Senior Software Engineer – React Native & React 📍 Hybrid (London 2–3 days/week) 🌍 VC-backed Fintech Start-up 💵 £70k - £90k + equity Albany Growth are working with a fast-scaling fintech start-up who are building something that is revolutionising how people manage their money and financial wellbeing. Their mission is to give people more control, freedom and flexibility with their money. They're now looking to bring in a Senior Engineer to take ownership of front-end development across both mobile (React Native) and web (React). You'll join a highly collaborative, product led team building out greenfield features used by thousands of users every day. We’re looking for: 👉🏼 3+ years’ commercial experience with React Native & React 👉🏼 Strong JavaScript / TypeScript development background 👉🏼 Solid knowledge of state management, REST APIs, HTTP, async programming 👉🏼 Hands-on experience integrating with AWS (Cognito, Amplify, S3) 👉🏼 Experience working with app stores (Apple / Google Play) 👉🏼 Ability to contribute to architecture, code quality, and best practices 👉🏼 Start-up / scale-up experience with a product-focused mindset If you want to help build something with purpose and have your work seen, used and valued from day one - apply here and we'll be in touch. 💻 Senior Software Engineer – React Native & React 📍 Hybrid (London 2–3 days/week) 🌍 VC-backed Fintech Start-up 💵 £70k - £90k + equity

Senior Fullstack Engineer & Senior Backend Engineer Location: London Hybrid (2 days week in office) Stage: Series A MedTech startup with £12m funding secured Team: High-calibre engineering team of 5, doubling this year Neulinx are supporting a Series A MedTech startup who are building AI-powered tools used by clinicians globally. With significant new investment and rapid product adoption, the team is now scaling their engineering organisation. We’re hiring for two senior roles: • Senior Software Engineer, • Senior Backend Engineer Both positions offer real ownership, modern tech, and the chance to influence how the next generation of clinical decision-support tools are built. About the Company The organisation is transforming how medical knowledge is accessed in real time. Their platform is already used across the NHS, Ireland and leading US health systems, with tens of thousands of clinicians relying on it daily. The team blends engineering, AI and clinical expertise to build products that genuinely improve patient care. 1. Senior Software Engineer This role owns the entire web platform, shaping the frontend architecture, raising engineering standards and delivering high-quality, scalable features. What You’ll Be Doing • Lead development using React and TypeScript, • Own architecture, performance and long-term technical direction, • Improve maintainability, identify tech debt and guide refactoring, • Collaborate with backend and mobile teams to ensure platform consistency, • Implement strong engineering practices across testing, CI/CD and documentation, • Mentor other engineers and contribute to team culture, • Work closely with product and clinical teams to deliver meaningful features What You’ll Bring • Expert-level React + TypeScript experience, • Strong background building and maintaining production web applications, • A track record of leadership, ownership and architectural decision-making, • Solid understanding of design patterns, performance and scalability 2. Senior Backend Engineer This role focuses on building and scaling cloud-native backend systems powering AI-driven clinical knowledge tools. What You’ll Be Doing • Design and build serverless backend systems on AWS, • Contribute to infrastructure-as-code and DevOps tooling, • Develop LLM-powered features, including RAG pipelines, • Build document extraction workflows for clinical PDFs and structured data, • Own performance, reliability and security across backend systems, • Collaborate with product and frontend teams to deliver key features Tech Stack • AWS (Lambda, API Gateway, Cognito, S3, OpenSearch), • Node.js, TypeScript, Python, • DynamoDB, PostgreSQL, • Serverless architecture, • Terraform, Docker, CI/CD pipelines What You’ll Bring • 5+ years backend engineering experience, • Strong AWS skills and hands-on cloud build experience, • Exposure to LLM/AI workflows, embedding models or semantic search, • Startup mindset with a pragmatic, problem-solving approach, • Solid grounding in performance, security and scalable architecture Why These Roles Stand Out • You join at the inflection point of scale and have influence from day one, • Small but growing engineering team where your work is highly visible, • Opportunity to shape the technical direction for years to come, • High-impact mission — your decisions genuinely affect clinical outcomes, • Modern tech stack, no legacy, lots of autonomy and trust, • Collaborative environment working closely with engineers, doctors and product leaders To apply If this sounds like the right next step for you, please apply with an updated copy of your CV. We will be reviewing applications on a rolling basis and encourage early interest.

🌟 Product Engineer (React / Node.js / AI) 💰 £100,000–£120,000 + Equity | 🏙️ Hybrid – 3 days/week in London Our client is redefining how software is created in the AI era — not by generating snippets of code, but by reimagining the entire process of how software is designed, built, and evolved. Founded by a proven tech leader (the founder of one of Europe’s best-known DevTools companies) and backed by Index, Accel, GV, and Boldstart, this London-based Series A startup is pioneering what they call AI Native development — where AI isn’t a helper, it’s a core collaborator in building software. They’re now looking for a Product Engineer to join the User Journeys team — someone who thrives at the intersection of engineering, design, and developer experience. You’ll help build the tools, workflows, and interfaces that will define how developers create in the future. 🚀 The Opportunity: You’ll work across the stack to craft real-time, intuitive developer experiences — from fine-tuning collaborative UI interactions to designing new CLI tools and IDE extensions. This isn’t a “just code what’s specced” role — it’s a chance to experiment, make architectural calls, and influence how millions of engineers might one day build software. 🧱 What You’ll Be Doing: • Build AI-driven workflows, interfaces, and tools that transform how developers code., • Pair with designers to refine the user experience in the Tiptap-based editor., • Develop CLI tools and IDE extensions that connect developers seamlessly with the platform., • Architect real-time systems for streaming and collaboration across the platform., • Write clear, opinionated technical docs and decision records that shape product direction., • Help define and implement end-to-end testing and deployment strategies. 🔧 Tech Stack: • Frontend: React (Remix, SSR, and modern frameworks), • Backend: Node.js, REST APIs, JSON:API standards, • Realtime: WebSockets, CRDTs (Yjs), • Tooling: Tiptap, ProseMirror, CLI, IDE extensions, • Infra: CI/CD pipelines, Kubernetes, AWS ✅ What You Bring: • ~6+ years building complex products in collaborative, cross-functional teams., • Experience working with TypeScript and strong intuition for developer experience., • Proven ability to design, scale, and maintain production APIs., • Comfort in high-autonomy, fast-moving environments — ideally early-stage startups., • Curiosity for AI and its potential to transform how software is built. 💡 Bonus Points: • Experience building AI products or developer tools., • Familiarity with CRDTs, Tiptap/ProseMirror, or real-time collaboration., • Strong design sensibility — you care how things feel, not just how they work., • Infrastructure experience (CI/CD, Kubernetes, IaC). 🌍 Why Join? • Impact: Shape how the next generation of developers build software., • Influence: Work directly with founding engineers and leadership from Snyk., • Ownership: High autonomy, low bureaucracy, huge creative scope., • Rewards: £100–120k + meaningful equity, private health insurance (including dependents), team off-sites, and socials., • Hybrid setup: 3 days/week in London HQ. ⚙️ Interview Process: 1️⃣ Intro call with the Hiring Manager 2️⃣ Take-home challenge (real-world, not abstract) 3️⃣ On-site pairing session with founding engineers 4️⃣ Culture & values chat 5️⃣ Final conversation with leadership This is your chance to join a category-defining AI startup that’s changing how software is made, forever. If you’re excited by high autonomy, cutting-edge tech, and massive creative potential… 📩 Apply today or reach out to Sam Barcia for a confidential chat.

Senior React Native Developer - Energy Company We’re seeking experienced React Native Developers to join a fast-moving mobile squad at a major UK energy provider. You’ll play a key role in building and enhancing customer-facing mobile applications used at scale. Contract Details • Length: 6 months initial, strong likelihood of extension, • Location: UK-based, remote-first with occasional team meetups, • IR35: Inside IR35 What You’ll Be Doing • Developing, maintaining, and optimising React Native mobile applications used by a large customer base, • Improving mobile performance, stability, and user journeys across iOS and Android, • Collaborating closely with product, design, and backend teams within an agile squad, • Contributing to shared component libraries and mobile best practices What We’re Looking For • Strong commercial experience with React Native delivering production mobile apps, • Solid understanding of modern React patterns: functional components, hooks, and state management, • Experience building customer-facing mobile applications in high-traffic environments, • Focus on code quality, testing, performance, and maintainability, • Comfortable working in collaborative, fast-paced product teams Apply now for immediate consideration.

Senior Mobile Engineer (React Native) Location: London / Hybrid (twice a month in office) Salary: Up to £80,000 + benefits Our client is a technology-led services company focused on improving how operational teams work in the field. By combining modern software with a distributed delivery model, they build digital products that support real-world operations across a wide range of environments. With a strong emphasis on product quality, data-led decision making, and continuous improvement, the business is investing significantly in its mobile platforms to support upcoming product launches and long-term growth. The Opportunity They are hiring a Senior Mobile Engineer to take ownership of their React Native applications and help shape the future of mobile across the business. This is a hands-on leadership role where you’ll: • Own technical direction and architectural decisions for mobile, • Lead the build of a brand-new greenfield mobile app (iOS & Android), • Raise engineering standards around performance, testing, and reliability, • Work closely with product, backend, and design teams to ship impactful features What You’ll Be Working On • A modern React Native / TypeScript mobile application used by operational teams in the field, • Greenfield development for a new risk-management product, • Scalable, well-tested mobile architecture, • Real-time, data-driven tools used in mission-critical scenarios Tech Stack • Languages: TypeScript, JavaScript, • Mobile: React Native, Expo, • State & Data: TanStack Query, Zustand, • Web: React, Next.js, • CI/CD: GitHub Actions, • Backend: Node.js, Java, Python, • Cloud: AWS (Lambda, S3, CloudFront, EC2), Docker, Terraform, • Data: PostgreSQL What They’re Looking For Technical • 4+ years’ experience building production-grade mobile applications, • Strong React Native and TypeScript experience, • Solid understanding of mobile performance, security, and best practices, • Experience writing automated tests and maintaining high code quality, • Natural technical leader who mentors and raises the bar, • Pragmatic, product-focused, and comfortable making trade-offs, • Strong communicator who works well with engineers, product, and stakeholders, • Collaborative, transparent, and easy to work with Why Apply? • Up to £80,000 salary (DOE), • Hybrid working with flexible office attendance, • Greenfield product ownership and real technical influence, • Clear opportunity to build and lead a mobile function, • Supportive, low-ego engineering culture, • Strong investment in learning, development, and career progression Interview Process • Introductory conversation, • Technical assessment, • Final interview If you’re a senior mobile engineer looking to own architecture, build meaningful products, and grow a team in a pragmatic, high-trust environment, this is an excellent opportunity.

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles. Sign up now at and let the opportunities come to you. Key responsibilities • Set the technical direction: shape the long-term backend architecture and standards across multiple squads. Make key design decisions on scalability, resilience, and system boundaries, ensuring our platform evolves with clarity and consistency, • Microservices: guide the evolution of our microservices architecture, ensuring best practices in modularity, resilience, observability, and maintainability are applied across teams, • Represent engineering: be the go-to voice for engineering matters in cross-functional forums. Communicate trade-offs, rationale, and technical decisions clearly to both technical and non-technical stakeholders, • Guide teams, don’t just manage them: provide day-to-day technical leadership to 2–3 backend squads. Help make sound technical choices, remove blockers, and ensure delivery aligns with engineering quality, timelines, and product priorities, • Raise the engineering bar: drive consistent engineering practices across squads: testing, documentation, observability, performance tuning, and incident response, • Security: ensure squads implement best practices for securing data, ensuring compliance with industry standards and regulations, • Mentorship & team growth: mentor engineers to grow into stronger technical and people leaders. Help shape career paths, cross-team learning, and ensure we retain and attract top talent Qualifications • 10+ years of experience in engineering, with a strong understanding of modern microservice-oriented architecture, • Proven technical leadership experience, guiding multiple engineering teams in designing, building and operating large-scale distributed systems, • Solid understanding of cloud-native environments, particularly AWS and Kubernetes (K8s), including observability, deployment, and cost optimisation, • Excellent communication and collaboration skills, comfortable engaging with engineers, product managers, and non-technical stakeholders, • Passion for mentoring and growing teams, creating an environment that balances technical excellence with fast, pragmatic delivery Technologies • Back-end: Java 21, Spring Boot, REST, Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, Cognito, S3, KMS), Containerization (Docker / kubernetes), • Front-end: TypeScript, React, and Tailwind CSS Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles. Sign up now at and let the opportunities come to you.

Exciting Contract Opportunity for an experienced Python Data Engineer / Software Engineer to join a Leading Energy Company and help build scalable, cloud-native data solutions. This will be a long term project with scope for extensions and possible transition to permanent staff. Core Skills Needed: • Strong Python development, • PySpark and SQL expertise, • Solid understanding of Azure infrastructure, • Knowledge of Containers, Microservices, and functional design patterns, • Experience working in Agile environments, • Terraform for IaC, • Unit testing best practices (PyTest preferred), • HTML/CSS, • React, • TypeScript, • FastAPI framework Competitive PAYE Rates Available. With a focus within Energy Trading, Oil & Gas, Financial Markets and Commodities, we offer a transparent Recruitment Service that has proven to be reliable and effective for over 40 years. We are ISO accredited and proud of our excellent TrustPilot Reviews. Your search for a New Contract Assignment or for a New Permanent Job will be in safe hands with Eaglecliff Recruitment. Please telephone for an immediate response or email your CV for a quick response. Eaglecliff Ltd is acting in the capacity of an employment agency for permanent recruitment and an employment business for contractor resourcing.

Java Full Stack Engineer (DV Cleared) Consultant Level – Digital Excellence Salary: £46,330–£55,000 base plus benefits, perks, and healthcare options! Base Locations: London, Manchester, Newcastle or Glasgow (Applicants must hold active DV clearance) Are you a Java Full Stack Engineer looking to work on cutting-edge, high-impact digital solutions? Do you want to use your expertise to help shape major transformation programmes across government and secure environments? If you're driven by innovation, value collaboration, and enjoy solving complex technical challenges, we’d love to hear from you. The Role As a DV Cleared Java Full Stack Engineer, you’ll turn visionary ideas into real-world solutions for clients tackling some of the UK's most complex challenges. You’ll design and build modern applications leveraging technologies such as Java (Spring Boot), NodeJS, RESTful microservices, React, NoSQL and cloud platforms, all while working closely with multi-disciplinary teams. You’ll work on a broad variety of projects – from greenfield builds to large-scale modernisation – with a strong focus on delivering secure, scalable and high-performance digital services. Key Responsibilities • Design and deliver high-quality microservices using Java (Spring Boot), • Build user-centric front-end applications using JavaScript/TypeScript, React, HTML and CSS, • Develop cloud-native solutions on platforms such as AWS or Azure, • Use CI/CD pipelines and version control tools to ensure high-quality engineering, • Collaborate in agile, cross-functional teams, • Participate in a 24/7 on-call rota where required, • Work on-site in Central London when needed Required Skills & Experience • Active Developed Vetting (DV) clearance, • Strong experience building microservices with Java/Spring Boot, • Front-end engineering experience with React & TypeScript/JavaScript, • CI/CD experience (GitLab, GitHub, Jenkins), • Proficiency with Git and cloud technologies, • Experience with Docker and agile delivery Desirable Skills • Terraform or other IaC tools, • NoSQL (ideally MongoDB) or relational databases (e.g., Postgres), • Apache NiFi, • Web standards, accessibility and development best practice Bonus Experience • Microservices in C#/.NET, • Integrating LLMs with tools like LangChain or Vercel AI What You’ll Love • A culture built around innovation, continual learning, and professional growth, • Access to industry-recognised training across cloud, DevOps, cybersecurity, agile delivery and more, • Opportunities to work with leading technologies on high-profile digital transformations, • Regular team events, knowledge-sharing sessions and community meet-ups, • Hybrid working options supporting work–life balance, • A strong focus on wellbeing, including mental health champions and wellbeing app access, • A values-driven environment focused on positive societal and environmental impact Additional Information • You must be fully flexible for client assignments, which may involve short-notice travel, • You must have the right to live and work in the UK and be able to provide documentary proof, • DV clearance is essential and mandatory for this role If you’re an experienced full stack engineer who enjoys working in secure, impactful environments and wants to grow within a supportive technology community, we’d love to hear from you. Apply now and help shape the next generation of digital excellence.

Principal Software Engineer | Python | Commodities Trading | London Our client is a global investment manager with a strong footprint across major financial centres. They manage multi-asset, commodities, and derivatives strategies for institutional and wholesale clients worldwide. The environment combines the scale and stability of an established asset manager with the agility of a tech-forward trading shop: • High focus on alpha generation and risk management, • Strong investment in cloud-native, data-driven technology, • Close collaboration between trading, quant research, risk and technology teams The firm is now looking for a strong, passionate and experienced Python Engineer to join the Front Office Technology team. They are re-architecting the stack to be cloud-native on AWS, with Python at the core of backend services and libraries, and modern UIs built in React. Engineering culture is centred on clean code, TDD, and high automation. 📍London City, close to Liverpool Street Station, hybrid working model 💷Competitive Base package + Strong Bonus + Benefits What you’ll do • Write clean, well-structured Python code to build reusable components, services and libraries, • Design and build cloud-first solutions in AWS for pricing, risk, and analytics workflows, • Refine and extend the existing platform in response to desk and quant needs, • Work directly with traders, quants, and portfolio managers to co-create maintainable Python solutions, • Coach and develop more junior engineers; drive best practices across TDD, CI/CD, and code quality, • Contribute to the overall architecture of the investment and trading platform Requirements for the role • 7+ years of software development experience in an enterprise or financial environment, • 4+ years of hands-on Python development (ideally on data-heavy or mission-critical systems), • Experience with cloud and serverless services (e.g. AWS Lambda, AppSync, DynamoDB or similar), • Experience with both SQL and NoSQL databases, • Solid understanding of Python’s built-in libraries and commonly used third-party packages (e.g. for data, APIs, and async workloads), • Strong grasp of data structures and data transformation patterns, • Experience working in modern engineering environments – Agile/Scrum, DevSecOps, CI/CD, Git/GitHub, • Ability to engage credibly with business stakeholders (traders, quants, product, risk) as well as technical peers Nice to have • Experience building software in Financial Services, within FX, rates, commodities, or derivatives trading; Portfolio analytics, risk, or performance measurement, • Understanding of front office workflows and trade lifecycles, • Experience integrating with market data, pricing libraries, or OMS/EMS platforms Who you are: • A hands-on technologist who keeps up with modern Python and cloud engineering practices, • Curious about how technology drives trading performance and risk control, • Comfortable owning work from concept to production and support, • Focused on understanding the business problem before writing code, • Collaborative, open, and keen to share ideas and improve the wider engineering culture If you are interested in this Python Engineering Role, please apply directly to this advert with your updated CV or email it to

Java Full Stack Engineer – Consultant / Senior Consultant Salary: £55,000 – £70,748 base plus benefits, perks, and healthcare options! Base Locations: London, Manchester, Newcastle or Glasgow (Hybrid working - operate out of any base!) Organisation: Global IT consultancy Are you a passionate Java Full Stack Engineer looking to build modern, impactful digital solutions across a range of transformation programmes? This is an opportunity to join a dynamic, fast-growing engineering community where you’ll work with cutting-edge technologies and deliver meaningful outcomes for clients across the UK. About the Role As a Java Full Stack Engineer, you’ll be responsible for designing, building and delivering high-quality digital products that solve complex business challenges. You’ll work closely with cross-functional teams, applying engineering best practice, innovation and a consultative mindset to shape solutions from end to end. You’ll work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. This role is ideal for engineers who enjoy variety, value continuous learning and want to push forward modern engineering standards within diverse client environments. What You’ll Do • Deliver high-quality microservices using Java (Spring Boot), • Build responsive front-end applications using React, TypeScript/JavaScript, HTML and CSS, • Design and build cloud-native solutions using AWS or Azure, • Use Git-based version control and CI/CD tooling (GitHub, GitLab, Jenkins), • Implement containerisation using Docker & Docker Compose, • Contribute to agile teams, collaborating closely with product owners, designers and fellow engineers, • Apply engineering best practices, clean code principles and secure delivery standards What We’re Looking For Required • Strong experience building microservices with Java (Spring Boot), • Experience developing front-end applications with React & TypeScript/JavaScript, • Proficiency with Git and online repo tools (GitHub, GitLab etc.), • Experience with CI/CD pipelines, • Knowledge of cloud platforms such as AWS or Azure, • Experience using Docker, • Comfortable working in agile delivery environments Desirable • Terraform or other Infrastructure as Code tools, • Experience with NoSQL databases (e.g., MongoDB) or SQL (e.g., Postgres), • Understanding of web standards, accessibility and development best practice, • Experience with Apache NiFi Bonus Skills • Microservices in C#, • Integrating LLMs (e.g., LangChain, Vercel AI), • Experience using the GOV.UK Design System and Nunjucks What You’ll Love You’ll be part of a culture that prioritises learning, collaboration and innovation. Expect: • Exposure to high-profile transformation programmes, • Access to extensive training and certifications across cloud, security, DevOps, agile and engineering disciplines, • Regular knowledge-sharing sessions and digital showcases, • Opportunities to attend a dedicated training campus near Paris, • Monthly team drinks, breakfasts and away days for connection and development, • Hybrid working and flexibility to support work–life balance, • Strong wellbeing support, including mental health champions and wellbeing apps Additional Information • You must be fully flexible for UK-wide client assignment travel as required, • Right to live and work in the UK is essential, • Hybrid working applies; office base will be London, Manchester or Glasgow Apply today and help shape the next generation of digital excellence.

Lead React Native Engineer | Up to £87.5k + Amazing Benefits | Hybrid UK (1 day per month in London office) Maze has been engaged by award-winning UK online retail business who is looking for a Lead React Native Engineer to join its growing team. The company partners with major global brands, attracting over 8 million monthly users. You’ll play a key role in scaling and shaping a highly impactful mobile app used daily by millions, while contributing to exciting greenfield projects that are modernising their tech ecosystem. Role Responsibilities • Lead development across iOS and Android apps using React Native and TypeScript., • Collaborate with designers, product managers, and engineers to deliver best-in-class mobile experiences., • Build high-quality, scalable, and reliable app features - from design to deployment., • Enhance CI/CD pipelines and ensure engineering best practices are upheld., • Stay ahead of the latest mobile innovations and mentor others to achieve technical excellence. Key Requirements • 5+ years of experience with React Native and TypeScript/JavaScript., • Proven background in mobile app development, optimisation, and deployment., • Experience in product focused businesses such as Retail Advantageous to have experience with: • AWS, • Expo, • Figma, • GraphQL Why Join? • Competitive salary up to £87,500 + excellent benefits., • Hybrid working - just 1 day per month in the London office, • Work in a diverse and inclusive environment with enhanced parental leave for all., • Be part of a tech-driven, mission-led company where you’ll have direct impact on millions of users and shape the future of consumer experiences. This position does not provide visa sponsorship. Candidates must be UK based & have right to work in the UK. If your skillset matches, apply within. Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely it has been unsuccessful.

Design, develop, and maintain mobile applications using React Native.

Lead C# Engineer – Core Trading Systems - Global Multi-Asset Investment Firm - London - Up to £400k TC Our client is a globally recognized, multi-asset investment firm managing over $25 billion in assets on behalf of a major philanthropic foundation and select institutional partners. Operating as both a family office and institutional-grade asset manager, the firm combines the long-term perspective of permanent capital with the agility to act decisively when opportunity arises. With a presence across New York, London, Greenwich, and Dublin, the firm invests across asset classes — including public and private equity, credit, fixed income, FX, and alternatives — through a flexible, unconstrained mandate. Its professionals are united by an entrepreneurial culture that values intellectual rigor, collaboration, and innovation. The firm emphasizes ownership, development, and accountability, empowering individuals to think creatively, challenge assumptions, and build systems that drive real performance impact. The Opportunity We are seeking a Software Engineer to join the firm’s Core Development team, which builds and supports the technology platform that powers the full trade lifecycle — from order creation and execution to post-trade operations. In this role, you’ll work directly with traders, portfolio managers, and operations teams to design and implement scalable systems supporting multi-asset-class trading. You’ll develop and enhance integrations between vendor OMS/EMS platforms and proprietary in-house applications, contributing to the firm’s strategic modernization of its trading infrastructure. This position offers hands-on exposure to complex trading systems, modern cloud technologies, and a collaborative, high-performance environment where technology is viewed as a strategic differentiator. Key Responsibilities • Design, build, and maintain trade flow and operations systems supporting order management, execution, and compliance across multiple asset classes., • Integrate and extend vendor OMS/EMS platforms, developing custom augmentations and bespoke tools for trading, treasury, and compliance workflows., • Collaborate closely with traders and operations teams to deliver user-centric, high-performance applications., • Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability., • Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular., • Provide ongoing production support for mission-critical systems during trading hours and end-of-day processes., • Work with senior developers to define best practices and implement components of a unified, scalable trade platform. Ideal Candidate Profile • 5–10 years of experience developing and supporting Order Management (OMS) and Execution Management Systems (EMS)., • Strong proficiency in C# or Python, with advanced SQL and database design expertise., • Hands-on experience with AWS, Snowflake, and modern software architecture., • Solid grasp of data structures, concurrency, and memory management., • Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI or other BI tools is a plus., • Effective communicator capable of working directly with business users and senior stakeholders., • Adaptable and collaborative mindset, thriving in a fast-paced, agile environment., • Familiarity with multi-asset trading (Equities, Fixed Income, Options, Futures) preferred., • Interest in leveraging AI-assisted tools to enhance the development lifecycle. Why This Role • Be part of a high-caliber engineering team powering a global multi-asset trading platform., • Work closely with investment professionals, driving technology that directly impacts trading efficiency and performance., • Join a culture that values innovation, autonomy, and continuous improvement., • Competitive compensation, world-class resources, and long-term professional growth opportunities.

Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity We have just partnered with one of the most exciting early stage start-ups in the AI creativity space who need an engineer who will come in, be scrappy and move super fast to deliver by challenging status quo and deleting when necessary. They are currently partnered with one of the biggest household names in the world and as such need to expand their team of 15 going into 2026. They have a team of 5+ engineers in their Founding team from the top companies in the world including Twitter. Most of their backgrounds are from a Founder/Co-Founder, Founding Engineering Team or VC backed background (On Deck, Y Combinator, Antler or Entrepreneur First) and that is what they are looking for in their next hire without looking at years of experience. This Founding Software Engineer role is for someone who has full stack experience mainly working on Frontend (React/React Native) and Backend (Node/Python) projects. It is for someone who can challenge the status quo and not be worried about putting their opinion across. Someone who can provide the team with strong engineering practices but also contribute to the overall build of the product without worrying about unblocking themselves if needed. It is the perfect opportunity to join a company that is backed by a CEO with tons of experience in running businesses and leading them to IPO stage, as well as, with the capacity to self-fund this venture. 🤖 Tech Stack: React Native, React, Node, Python (AI) 🏠 Hybrid/Remote: 3-4 days/week in Central London 🤑 Salary & Benefits: Up to £120k + Equity + Holidays What they are looking for: ⭐ Strong experience in start-up/founding positions building and scaling projects but also adjusting to a pivot in business - do not worry if the start-up did not kick off, everyone's welcome! ⭐ Confidence in working with React Native on Mobile is a plus with experience on React/Node/Python as a desirable skill (Please note not all backend tech is necessary, but it helps to show expertise in learning new tech stacks). ⭐ Ideally someone with experience from programmes like Entrepreneur First, Antler, On Deck or Y Combinator. ⭐ Years of experience do not matter as long as relevant experience is in place so do not feel limited by the length of your CV. If interested, please apply to this role or email me at Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within an established cloud native (Azure), DevOps and Agile environment. We are seeking a creative and technically skilled Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both a cloud-based SaaS platform and mobile app, which will streamline complex legal workflows and enhance document automation. Your work will directly shape the user experience ensuring the product is intuitive, accessible, and visually engaging. Required Skills & Experience: • Strong creative background in UI/UX mobile design with Figma, Balsamiq & Adobe backed up with a portfolio of work for ‘blue chip’ organisations, • Strong front-end development skills with React, JavaScript, TypeScript, HTML & CSS and confident in a position requiring 50% complex frontend coding, • Some exposure to and interest in backend development & integration with C#, • Experience with SaaS & mobile product development and cloud-based deployment (ideally Azure), • Solid understanding of responsive design, accessibility (WCAG), and cross-browser compatibility., • Excellent problem-solving skills and attention to detail., • Strong communication and collaboration abilities., • A willingness to work 30% in office & 70% remote Key Responsibilities: • Design and implement responsive, user-friendly interfaces for a global SaaS / mobile platform in a fast-paced setting with minimal iterations, • Develop front-end components using JavaScript, React, Typescript, HTML & CSS within a .NET environment., • Collaborate with product managers, engineers, and end-users to translate requirements into elegant UI solutions., • Conduct usability testing and iterate designs based on feedback from legal professionals., • Ensure design consistency across platforms and adherence to WCAG accessibility standards., • Work closely with backend developers (C#, Azure) to integrate APIs and services securely and efficiently i.e. pick up some C# coding yourself, • Maintain design documentation and UI component libraries for scalability and reuse. £75k-£82k + 10% bonus + outstanding benefits. City of London.

💻 Full-Stack Engineer (C# → Python Migration) | Azure | Regulatory Tech | £100,000–£110,000 + Benefits | Hybrid (London) 🚀 Major transformation project underway! Join a growing technology team as they modernise a suite of C# systems, move workloads into Azure, and begin a strategic migration toward Python and a data-driven architecture. We’re looking for a full-stack engineer with strong C# and Azure experience, solid front-end capability (React/Angular), and a genuine interest in regulatory reporting (EMIR, MiFID, REMIT etc.). This is a hands-on build role with real influence on architecture, design, and the firm’s new data engineering direction. 🧠 The Role You’ll work closely with the new Tech Lead and wider engineering group to rebuild internal platforms, modernise legacy applications, and support a major shift toward cloud-native, data-centric engineering. Your work will include: 💡 You will be responsible for building and enhancing applications across a suite of C#-based systems, ensuring they remain robust, scalable, and aligned with business needs. 🏗️ You will design and model databases for data-heavy applications, playing a key role in shaping how data is structured, stored, and accessed. 🌐 You will develop front-end applications, ideally having experience building websites from the ground up using React or Angular. ⚙️ You will contribute to the ongoing migration from C# to Python and Databricks, helping modernise the technology landscape. 🔌 You will integrate APIs, connect services, and ensure smooth end-to-end architecture across multiple platforms. 📊 You will support ETL workflows, where light SSIS or general data-movement experience is sufficient. 📚 You will work closely with complex business rules and regulatory behaviours, ensuring systems meet compliance and operational expectations. This role sits within the project architecture space and offers exposure to a wide range of regulatory requirements as well as involvement in building a new data lake. 🔧 Tech Stack & Skills We’re looking for engineers who bring a mix of the following: Essential 💻 Strong experience with C#, ASP.NET APIs ☁️ Solid Azure experience — Event Hubs, hosting, cloud services 🌐 Front-end experience in React or Angular, ideally building a site from the ground up 🗄️ Strong database modelling and engineering capability 🔧 Azure DevOps, Git, CI/CD 💬 Good PowerShell scripting 📚 Understanding of API integration & system architecture Desirable 🐍 Exposure to Python and Databricks 🔄 ETL workflows / SSIS 📜 Regulatory reporting knowledge — especially: • EMIR, • MiFID, • REMIT, • Secondary: MASS, Canadian regulations 🌍 The Offer 💷 £100,000–£110,000 base + benefits 🏢 Hybrid working — 3 days a week in the London office ✨ Opportunity to shape a significant technology transformation 📈 Work closely with senior tech leadership on a modernisation and data engineering programme 📩 Interested? If this sounds like the challenge you’ve been waiting for, send your CV to , or simply reply to this advert with your latest CV.

Engineering Manager – Cybersecurity Applications – Fully Remote £100,000 base salary plus equity and benefits. Fully Remote I’m partnering with an analyst-recognised cybersecurity scale-up whose platform shows large enterprises how they could be compromised in real time, before attackers succeed. They blend attacker behavior, large-scale data pipelines and automated offensive security to give security teams true, live exposure visibility. The Role for Engineering Manager, Cybersecurity Applications You’ll be the global owner of the customer-facing application stack, leading the teams that ship the features enterprise customers actually touch: • Lead and grow a high-performing Applications Engineering organisation across three regions, setting the bar on quality, speed and reliability, • Own core SaaS capabilities – onboarding, account lifecycle, auth/SSO, granular access control, notifications, logging and multi-tenancy, • Partner tightly with Product and Design to turn complex security data into simple, powerful workflows that customers love, • Shape engineering practices across teams, embedding quality, security and agility into how software is built and shipped The Person for Engineering Manager, Cybersecurity Applications You’re an established scale-up engineering leader who still cares deeply about the tech: • Proven track record leading distributed engineering teams and developing local leads in different regions, • Experience in cybersecurity products or security data at scale, ideally threat intel / offensive security, in B2B SaaS start-ups or high-growth scale-ups, • Strong technical grounding across Node.js, Typescript, React, MySQL and cloud-native architectures (AWS, ECS/K8s, Kafka, Airflow), • Comfortable driving Agile and DevOps culture, and setting high standards for clean, testable, secure code in fast-moving environments If you want to own a mission-critical part of a world-class cyber platform and build the team that ships what customers see every day, this is that role.

Full Stack Engineer (mid level) A B2B scale-up that help fund the hospitality industry while giving back to the customer are growing their team! With an already established product and growth plans heading in to the new year now is a great time to join them! You would be: • Designing, building and scaling the backbone of their platform, • Ship production to code and have end to end ownership of your work, • Working on complex challenges such as financial transaction analysis and API design, • Play a Key role in shaping their engineering culture as they continue to grow their team What they need: • A product minded engineer that enjoys taking ownership of their work and working on things end to end., • Strong experience in their stack- Typescript, Node, Express & React., • Nice to haves would be React Native and AWS., • Ideally experience in or an interest in FinTech., • Good experience with API design and databases (they are using PostgreSQL) Key Details: • Salary £60k-£80k depending on experience, • London based (Hoxton), 4 days onsite, • Benefits include up to 12 days work from anywhere

Founding Product Designer for Stealth startup Location: London (Kings Cross) – on-site 4–5 days per week Compensation: £100–130K+ (depending on experience) Our client is a stealth-mode communications and AI startup founded by early Facebook product engineers. Backed by top-tier venture capital and respected angel investors, they are rethinking how people connect and get work done, combining the power of AI with human-centered design. The founders are engineers with a strong eye for UI, and every pixel in the product so far has come from them. Now they’re looking for their first design partner: the fourth person to join the team, and the first hire outside of the founders. That’s how much they value design. The Role Looking for a Founding Product Designer who can move fast, design with clarity, and bring ideas to life on screen. This role is hands-on: prototyping, iterating, and shipping product with speed and precision. You’ll design for web and mobile (iOS/Android), helping to solve complex product challenges like how AI fits into human workflows, whilst ensuring the product feels personal, intuitive, and connected. What You’ll Do • Design intuitive, aesthetically sharp experiences across web and mobile., • Rapidly prototype and iterate in Figma (or your preferred tools)., • Collaborate daily with founders to turn product ideas into polished UI., • Balance speed with user insight, always considering real-world use cases., • Explore new ways to integrate AI while keeping human connection at the center., • Bring fresh ideas, challenge assumptions, and push the team to think differently. About You • Strong track record designing consumer-grade products with high aesthetic quality., • Skilled at simplifying complex problems into elegant user experiences., • Scrappy and execution-focused—you get pixels on screen fast., • Comfortable with ambiguity and motivated to shape a product from zero to one., • Open, collaborative, and able to give and receive feedback well., • Bonus: technical fluency or ability to tweak code (e.g. CSS, HTML, React, React Native) (not required). Why Join Us • Impact from day one: Shape the product and company from the ground up., • Design-led culture: Work with founders who deeply value design., • Strong backing: Supported by leading VCs and respected angel investors. If you’re excited to design the future of AI-powered communication, we’d love to hear from you!

Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Python, Django and some Java and Rust. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment and implementing AI work. What You'll Be Doing as a Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length • Designing and building robust backend services across Python and Django, • Collaborating with product and platform teams to scale critical infrastructure, • Contributing to performance optimisation, secure coding, and clean architecture decisions, • Bringing in best practices across multiple programming paradigms and languages Core Skills for the Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length • Senior-level backend experience with Python and Django in production systems, • Proven work with JavaScript and React (production experience strongly preferred), • Familiarity with MySQL Databases and scale, • Strong grasp of APIs, cloud-native systems, and scalable architecture, • Freelance mindset: able to hit the ground running, communicate clearly, and add value fast Details for the Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length • Contract: LTD company (UK) / B2B, • Location: Remote (must be EU-based for legal/timezone reasons), • Duration: Long-term engagement potential, • Start: ASAP If interested in this Backend Engineer, Contract | Python (Django), Java and Rust | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length, please apply here and we will contact you if it's a good match! :)

Software Engineer / Developer (Java AWS React) London / WFH to £80k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with a hugely successful track record. As a Software Engineer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form the core of the platform. You'll collaborate closely with the Lead Engineer, Architect and Product Manager to shape system design, APIs and data models to enable scalable backend logic and clean UI. Location / WFH: You can work from home most of the time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: • You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface / front end development using React or Tailwind CSS, • You have a strong knowledge of modern software engineering best practices including cloud native applications, microservices and CI/CD, • You are an advocate of AI and keen to explore its capabilities, • You are commercially aware and can see the "big picture", • You're a skilled problem solver, able to make trade-offs and get things done, • You're collaborative and pragmatic with great communication skills, • Ideally you will have a good understanding of Financial Services / Open Banking What's in it for you: As a Software Engineer / Developer (Java AWS React) you will receive: • Up to £80k, • Significant stock options Apply now to find out more about this Software Engineer / Developer (Java AWS React) 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.

React Native Engineer | ReactNative| Expo | Typescript | Mobile | Hybrid | London | £90k Millions of people worldwide struggle to access essential healthcare, and outdated systems make the journey harder than it should be. They are currently supporting over 3,000 patients with their

Job Title: Full Stack Software Developer REMOTE Salary Range £50,000-£60,000 You must be based in the UK for this role! ABOUT THE COMPANY We are an established IT organisation providing a comprehensive, fully integrated suite of web-based “Software as a Service” (SaaS) solutions to Property Management companies and Managing Agents. The business is growing its market presence and expanding the breadth of services and functionality offered. Due to this continued growth, we are now looking to bring additional developers into the team. We aim to attract and retain diverse, engaged, passionate, and pragmatic individuals who thrive on solving challenges, achieving success, and having fun while doing so. THE ROLE We are seeking a Full Stack Software Developer who will work closely across the organisation to support and further develop our core software platform. You will play a key role in maintaining and enhancing the existing web system, leveraging your technical expertise, coding ability, and practical understanding of business needs to support the company’s growth plans. This is a role where you will have direct impact and visibility. As you take on more responsibility and contribute to the organisation’s success, you will share in that success. This position is primarily remote / home-based. WHAT YOU WILL BE DOING • Collaborating with Product Managers and the CTO to develop applications aligned with business strategy, • Undertaking technical design, coding, unit testing, system testing, and solution deployment, including SQL/database and application design, • Providing technical consulting expertise when needed, • Assisting the Support team by offering technical backup where required, • Experience coding, testing, and implementing highly available, scalable, secure, multi-tenant SaaS applications, • Enjoy working as part of a smaller team where your work has a direct impact, • Ability to create technical specifications, blueprints, or solutions-oriented project proposals (advantageous), • Working knowledge of financial accounting software or experience in the property industry (beneficial but not required), • Able to identify and mitigate risks and issues, • Strong interpersonal, written communication, and presentation skills, • Backend: PHP (CodeIgniter 3 / Slim 4), MySQL, • Frontend: React.js, JavaScript/TypeScript, HTML, CSS, • Tooling: GitLab, Docker, CI/CD Pipelines, • Infrastructure (desirable): Terraform, Ansible, or other Infrastructure-as-Code tools, • Develop and maintain full stack features, • Write clean, maintainable, well-documented code, • Collaborate with product managers and other developers, • Contribute to improvements across DevOps, CI/CD, and containerised workflows, • Assist with mobile app development as cross-platform capabilities expand, • Experience with PHP, particularly CodeIgniter and Slim, • Strong skills in React.js and JavaScript/TypeScript, • Solid understanding of MySQL and database optimisation, • Competence in HTML and CSS for responsive UI, • Familiarity with GitLab and Docker, • Experience integrating AI into existing applications, • Experience with React Native or similar mobile frameworks, • Previous experience working on SaaS or B2B platforms, • Understanding of Agile development workflows, • Familiarity with cloud platforms such as AWS or GCP

Job Title: Senior Full Stack Developer (SC Cleared) Location: Remote, Occasional expenses paid travel may be required Day rate: Up to £485 a day Inside IR35 Start Date: 5 January 2026 Contract Type: 12 Month Contract We are seeking experienced Senior Full Stack Developers to join a major digital programme. This role involves delivering secure, scalable applications across Java and React ecosystems, contributing to new greenfield services, and supporting cloud-native development on AWS. You will work within an engineering team responsible for designing, building, and maintaining high-performance systems that support a large transformation initiative. Key Responsibilities • Develop backend systems using Java and Spring Boot, • Build front-end applications using React and Next.js, • Deliver secure APIs and microservices to support distributed architectures, • Contribute to AWS cloud implementation, • Implement and maintain CI/CD pipelines, • Work with containerisation tools (Docker, Kubernetes), • Collaborate with architects and senior engineers to drive technical decisions, • Participate in code reviews, documentation, and best-practice engineering processes, • Support greenfield development activities across the platform Required Skills & Experience • Extensive full stack development experience, • Strong proficiency with Java, Spring Boot, • Solid experience with React and Next.js, • AWS cloud exposure, • Strong understanding of API development and microservice architectures, • Hands-on knowledge of CI/CD tooling and automation, • Experienced with Docker and/or Kubernetes, • Prior experience working on greenfield builds