Saas jobs in LondonCreate job alerts

Requirements 7+ years experience in mid to senior product marketing or similar, ideally within technology, SaaS, or innovation-led industries Strong background in product lifecycle management, go-to-market strategy, and customer insight Skilled in competitive and market analysis, with proven ability

Interim Finance Manager - Technology Start-Up – c.A seed-funded early stage start-up is looking for support from candidates that have worked within Business Advisory / Outsourcing and can start ASAP! They are a high-growth SaaS business, founded by like-minded entrepreneurs and offering a unique p

Full Stack Product Engineer – SaaS Startup 🚨. Full Stack Product Engineer – SaaS Startup 🚨.

DevOps Engineer (Mid / Snr) – SaaS – On-Prem, Kubernetes, CI/CD, Automation, Security. DevOps Engineer (Mid / Snr) – SaaS – On-Prem, Kubernetes, CI/CD, Automation, Security. Oliver Bernard are currently working with a fast-growing SaaS company, based in London, who are looking to take on sev

🚨 Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote🚨 We're partnering with a well-funded AI startup (stealth for now) that’s building at the intersection of LLMs and cybersecurity, and we’re looking to connect with exceptional Full Stack Engineers across the EU. This is an early engineering hire with huge ownership, high autonomy, and the chance to shape a modern product and architecture from day one. 💸 Salary: €100,000 – €160,000 (£100-140k)+ very strong equity package 🌍 Location: Fully remote across the EU 🛠 Tech Stack: React, TypeScript, Python, AI/LLMs ✈️ Company: Quarterly offsites with a small, high-performing international team Ideal Background – B2B SaaS experience and startup mindset – 6+ years full-stack experience, can build end-to-end features – Proven REST API development with Python – Strong React + TypeScript skills – Bonus: Production level LLM integration experience – Work independently in a small, senior team, shaping architecture and performance If you're interested in joining a cutting-edge AI company and want real impact, autonomy, and technical ownership, feel free to reach out with your CV and notice period. 🚨 Full Stack Engineer (AI & Cybersecurity Startup) - EU Remote🚨

They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies. MSc in Machine Learning, Computer Science, or a related field. Strong software

Implementation Engineer – FinTech / Data / SaaS. The business is scaling rapidly and is looking for an Implementation Engineer to lead client onboarding, data integration, and end-to-end delivery of complex technical solutions. Execute full implementation cycles including testing, troubleshooting,

This is a hands-on content role sitting between product, marketing and storytelling. Exposure to B2B SaaS, startups or product marketing. A portfolio of writing or marketing work (uni projects absolutely welcome).

Frontend Developer Up to £70,000 + Bonus Central London – Flexible Hybrid Options Health-Tech A fast-growing healthtech company is seeking a Frontend Developer to help build a user-centric SaaS platform transforming pharmaceutical R&D. You’ll contribute to UI architecture, advance component systems, and collaborate closely with product and design to elevate usability and responsiveness. As a Frontend Developer, you will have: • Strong commercial experience in React with TypeScript, • Exposure to UI/UX principles and design collaboration, • Background in healthtech or data-driven applications, • Bonus: experience with Python/Django or similar frameworks, • Solid grounding in agile best practices and engineering principles, • Strong communication skills and ability to thrive in a cross-functional team Package on offer: • Salary: Up to £70,000 + Discretionary Bonus, • London Office – 3 days per week onsite, • Private Medical Insurance This is a unique opportunity to join a high-performing team making a real impact in the healthtech space.

Mid-Level Developer (Solo Lead) Level: Mid-Level Developer - £55,000 (full-time) with flexibility for reduced hours or project-based delivery Location: Remote | Flexible Function: Software Development | Full Stack | Product Engineering Industry: HR Technology | Data & Analytics | Purpose-Driven SaaS Join an organically funded HR technology startup focused on pay gap reporting, salary data analysis, and amplifying employee voice through data. Our client is building a platform centred on equity, transparency, and accountability, and is now hiring a mid-level developer to take ownership of day-to-day engineering alongside the two co-founders. About the Role As a Mid-Level Developer, you’ll work directly with the two co-founders of a purpose-driven HR technology startup, acting as the sole engineer on the platform. You’ll contribute across front end and back end development, building and evolving features that support pay gap reporting, salary analysis, and employee voice. The role offers a high degree of flexibility around working patterns and a clear opportunity to broaden your full-stack capability over time. What You’ll Be Doing • Building and extending product features primarily using JavaScript and CSS, with a focus on maintainable, production-ready code., • Working across a full-stack, low-code architecture using Nordcraft on the front end and Xano on the back end, learning these platforms as needed., • Developing and maintaining APIs to integrate the platform with external HR systems such as Workday and other third-party tools., • Implementing pay gap reporting functionality, including ethnicity and disability reporting, and supporting differing regulatory requirements across jurisdictions., • Integrating AI-driven reporting and commentary features through external services and platform integrations, rather than developing AI models directly., • Improving the robustness of the codebase by introducing or enhancing database backups, regression and unit testing, and applying appropriate web security practices. Ideal Background • Mid-level experience as a JavaScript developer, with exposure to front end and back end development., • Willingness to work full stack and learn new platforms or tools, even if you have not used Nordcraft or Xano previously., • Solid understanding of core web development concepts, including security, performance, and API design., • Comfortable working as the sole engineer on a product while collaborating closely and communicating regularly with non-technical co-founders., • Experience working remotely or in flexible working arrangements, with a reliable and organised approach to delivery., • Able to provide references that speak to reliability and experience working independently or on contract-based engagements. What You’ll Receive • Salary of £55,000 for a full-time role, with openness to reduced hours, three-day weeks, or project-based delivery., • Fully remote working by default, with flexibility around hours and an outcomes-focused approach., • A supportive, founder-led environment with an emphasis on equity, fairness, and ethical use of data., • Direct exposure to product decision-making and increasing technical ownership as the platform evolves., • The opportunity to strengthen full-stack development skills in a real production environment. Who Should Apply This role suits a mid-level developer who wants ownership, flexibility, and closer involvement in product development than is typical in larger teams. If you enjoy working across the stack, communicating directly with founders, and contributing to a product with a clear social purpose, this role is likely to be a strong fit.

Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring in highly experienced contract Software Engineers to support complex, high-impact delivery. This role is suited to senior engineers who enjoy working on large, evolving platforms, modern cloud infrastructure, and solving non-trivial technical problems in fast-moving environments. The Role You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability. This is a hands-on role requiring strong engineering judgement, the ability to work through existing systems pragmatically, and the confidence to contribute to architectural and technical decisions. What You’ll Be Doing • Designing and building backend services using modern .NET, • Developing and scaling cloud-native solutions on Microsoft Azure, • Working with large, data-heavy systems using SQL, • Improving and refactoring existing systems to support future platform growth, • Writing high-quality, well-tested, production-ready code, • Collaborating closely with Product and Engineering peers on delivery and prioritisation, • Supporting a platform used at scale, with a strong focus on performance and reliability What We’re Looking For • 7+ years of professional software engineering experience, • Strong, hands-on experience with the modern .NET stack, • Proven experience building and operating systems on Microsoft Azure, • Solid experience working with SQL in large-scale production environments, • Experience working on complex, long-lived systems rather than greenfield only, • Strong problem-solving and analytical skills, • Pragmatic mindset with a focus on delivering value, not over-engineering, • Comfortable working in Agile, product-led teams, • Strong communication skills, able to explain technical decisions and trade-offs clearly

Title: Co-Founder / Fractional Chief Technology Officer Location: Remote (UK / EU only) Salary: Equity only (to start) - with vesting period Platform: AI-Native Talent Intelligence Platform Stage: Early product (working demo MVP) with live AWS infrastructure and AI workflows in place The Role We are recruiting for our sister business 'hdhnt', this is an AI-native Talent Acquisition platform designed around deep candidate analysis, structured evaluation, and intelligent matching. Our mission is to build a tool which allows hiring companies to successfully source candidates directly, and alleviate the need for external recruitment agencies. The technical foundations already exist: cloud infrastructure, LLM pipelines, scoring logic, and multi-tenant architecture, these have been built through use of contractors to date. We are looking for a hands-on Technical Co-Founder / CTO to take full ownership of the platform’s technical direction, architecture, and execution as we scale from early product to category-defining system. Core Responsibilities • Own the end-to-end technical architecture across backend, AI systems, data, and infrastructure, • Lead development of AI-driven scoring, ranking, and decision systems, • Design and evolve advanced search and retrieval systems beyond keyword matching, • Build and scale API-first, multi-tenant backend services, • Lead development of video, voice, and interview analysis tooling within the platform, • Drive the transition from third-party LLM usage toward custom and fine-tuned models, • Ensure platform security, data protection, and GDPR-aligned system design, • Establish engineering standards, CI/CD workflows, and operational best practices, • Act as technical counterpart to product, commercial, and investor conversations, • Manage technical / dev responsibility for any contractor arrangements in place. Technical Requirements Backend & APIs • Strong experience designing REST and/or GraphQL APIs for production SaaS platforms, • Advanced proficiency in Python (FastAPI) and/or Node.js (TypeScript / NestJS), • Deep understanding of multi-tenant system design, permissions, and role-based workflows, • Event-driven architectures using webhooks, queues, and async processing AI, Search & Data Systems • Hands-on experience integrating LLM APIs (OpenAI-compatible or equivalent), • Design and implementation of scoring, ranking, and weighted evaluation systems, • Experience with vector search, embeddings, and semantic retrieval, • Practical use of RAG architectures, prompt pipelines, and structured outputs, • Strong understanding of model evaluation, explainability, and output validation Model Development • Experience with fine-tuning or training models (open-source or proprietary), • Understanding of model lifecycle management, data pipelines, and inference optimisation, • Familiarity with moving from API-based LLMs to self-hosted or private models Video, Voice & Media Processing • Experience working with video, audio, or real-time communication systems, • Familiarity with speech-to-text, audio processing, or conversational AI pipelines, • Comfort designing systems that support AI analysis of recorded interactions Cloud & Infrastructure • Strong experience with AWS-based SaaS platforms, including:, • ECS Fargate, • Application Load Balancers, • IAM, KMS, Secrets Manager, • CloudWatch logging and alerting, • Infrastructure-as-Code using Terraform, • Secure, scalable deployment and environment management, • CI/CD pipelines, automated testing, and release workflows Experience & Profile • Senior-level engineer or technical founder with end-to-end ownership experience, • Proven track record building or scaling production SaaS platforms, • Comfortable operating across architecture, hands-on coding, and strategic decisions, • Strong product intuition with an ability to translate abstract requirements into systems, • Experience working in early-stage or high-ownership environments, • Clear communicator capable of partnering closely with a non-technical founder Nice to Have • Prior experience as a founder, early CTO, or lead architect, • Background in search, recommendation systems, or decision engines, • Experience with regulated or sensitive data environments, • Familiarity with recruitment, HR tech, or workflow-driven SaaS platforms, • Experience building internal admin tools and operational dashboards There will be a multi-stage interview process including theoretical case study and technical assessment. If you would like to find out more, please apply below. We encourage candidates from all backgrounds to apply, regardless of; race, gender identity, sexual orientation, religious beliefs, age or other experiences.

Senior Data Engineer - Financial services.Build and maintain large, scalable Data Lakes, processes and pipelines.Python, PySpark, AWS, Iceberg/ Kafka, Spark/Glue, CI/CD.Financial services / securities trading.Immersum continue to support a leading SaaS securities trading platform, who are hiring a D

A product-led SaaS business is hiring a Front End Developer with a strong focus on Angular to help build and scale a modern, customer-facing web platform. This is a hands-on role for someone who enjoys working on complex interfaces, data-driven products and clean, well-structured front end architecture. You will work closely with product and engineering teams to deliver high quality user experiences, taking ownership of features from build through to release. This role suits someone who wants to stay deeply technical rather than move into management. Role: Front End Developer (Angular) Salary: £60,000 to £70,000 Location: Fully remote, UK based What you will be doing: • Designing and building front end features using Angular and TypeScript, • Developing reusable components and scalable UI patterns, • Working with reactive programming concepts using RxJS, • Collaborating with product managers and engineers to scope and deliver features, • Writing well tested, maintainable code with performance in mind, • Improving existing front end architecture and contributing to technical standards, • Using modern tooling and AI assisted workflows to speed up development, • Owning features end to end, from initial build to production support What you will need: • Strong commercial experience with Angular and TypeScript, • Solid understanding of modern front end architecture and best practices, • Experience working with RxJS and reactive patterns, • Confidence writing tests and maintaining high code quality, • Background working in SaaS or digital product environments, • Comfortable working remotely and communicating clearly with distributed teams, • A proactive, delivery-focused mindset What’s on offer: • Salary between £60,000 and £70,000, • Fully remote working within the UK, • Opportunity to work on a modern, evolving product, • High ownership role with real influence on front end decisions, • Collaborative engineering culture focused on quality and delivery If you are a front end developer who enjoys Angular, cares about clean code and wants to work on a meaningful digital product, this role is well worth exploring.

(Remote) Platform Engineering Manager - ScaleUp - up to £120k (base) "The best leaders don't create followers, they create more leaders." This role is the embodiment of that principle. It’s not about maintaining the status quo; it’s about building the platform—and the people—that will power the next chapter of growth for a established business thinking like a startup. Few&Far are partnering with a Sunday Times 'Best Place to Work' that is entering a pivotal scale-up phase. They have the solid foundation and customer base of a corporate, but operate with the agility, ambition, and startup mindset of a much younger company. They need a leader to architect their technical future. Here’s what’s cool about them: • The Culture: A recognised 'Best Place to Work' with a remote-first, UK-based team. They are problem-solvers, not ticket-takers., • The Scale & Impact: You won't just be keeping the lights on. You'll be developing the data platform strategy from the ground up and taking ownership of critical infrastructure that serves thousands of practices., • The Tech: They're leveraging the latest tech, including AI and LLMs, to solve real-world problems and change the face of an entire industry. Here’s what you’ll be doing: • Manage and mentor approximately 10 engineers across two key teams, • Take ownership of the platform engineering roadmap, with a sharp focus on infrastructure management, cost optimisation, and reliability., • Partner closely with the Head of Data to define and build the long-term data platform strategy., • Thrive in a fast-paced environment, expertly juggling a high volume of parallel requests and initiatives to keep pace with business ambition. Here’s what they are looking for: • A proven Engineering Manager experience in a growth-stage or mature SaaS company., • A solid background in DevOps, SRE, or Platform Engineering is ideal. A Product Engineering Manager with a strong infrastructure affinity will also be considered., • Hands-on experience with cloud platforms (AWS is a plus)., • A leader who has thrived in a transition-phase company—you know how to build and scale systems and teams, not just maintain them. So if this sounds like you then please hit that apply button to find out more or email me directly at

ABOUT US ___, part of Capgemini, tackles the hardest work in data for the world’s largest organizations. We combine intelligent software with deep data expertise to help the Fortune2000 tackle complex data challenges and drive measurable business outcomes with business-ready data. Syniti’s Data First strategy transforms data from an afterthought into a strategic asset—unlocking insights, reducing risk, and fueling growth. With over 5,000 successful projects, we support the full data lifecycle through a unified platform for migration, quality, replication, matching, master data management, analytics, governance, and strategy. Operating globally across industries, Syniti’s award-winning software, expert consultants give enterprises a unique edge in managing and maximizing their data. Syniti’s cloud-native platform sets new standards in enterprise data management, combining powerful SaaS solutions with deep domain expertise. Designed for agility and scale, our technology helps customers accelerate digital transformation, drive innovation, and make confident decisions with trusted data. Every product enhancement is built to solve real business challenges—empowering organizations to unlock value from their data faster and more effectively. THE ROLE The Senior Infrastructure Engineer – Azure will contribute to building scalable and secure cloud environments in Microsoft Azure for Syniti’s SaaS platform. This role supports the technical execution of infrastructure automation, cost optimization, and regional compliance. WHAT YOU WILL DO · Develop and maintain Terraform Azure IaC modules for PaaS services, networking, and resource governance. · Implement secure workload identity, service endpoint controls, and resource policies. · Partner with SRE and platform teams to optimize Azure region builds. · Support observability, tagging standards, and drift detection in Azure environments. WHAT IT TAKES · Strong infrastructure automation and operations troubleshooting capability. · Solid understanding of Azure managed services and infrastructure patterns. · Ability to work in an agile team environment with infrastructure-as-code practices. · Good understanding of cloud security, governance, and cost containment. · Effective communicator across teams and project stakeholders · 10+ years in infrastructure engineering. · 3+ years of Azure experience (AKS, AAD, App Services, VNet, Monitor). · 2+ years of Terraform Azure development for provisioning. · Must be experienced in coding modules in Terraform, not just configuring IaC deployments. · CI/CD tools (Azure DevOps, GitHub Actions). · Python or PowerShell scripting for task automation. Be fully aligned with our core values: • Think Big - Be courageous and bold. Aspire to greatness. Relentlessly pursue market innovation. Set the standard by which others follow. Create solutions that have a meaningful impact. Solve the challenges our customers don’t know they have., • Be Curious - Be a lifelong learner. Seek out new ideas to serve customers. Understand our competition and the world. Be permanently dissatisfied with the status quo. Challenge preconceptions. Focus on the future rather than yesterday., • Take Action - Be the first. Don’t wait. Take accountability. Inspire others by doing. Fail fast and learn from mistakes. Make a difference every day., • Stronger Together - Respect, trust and look out for each other. Celebrate diverse perspectives. Listen. Build connections and belonging. Act with integrity. Give back. One Syniti family. WHAT WE OFFER • Trust that you are proficient at what you do. At Syniti, you will find a supportive environment and access to learning tools, but micromanagement is not our thing., • Growth. We are growing rapidly and steadily solving the biggest challenges enterprise companies are faced with today. There was never a better time to join and grow with us. Most importantly, you will have the chance to shape our journey and share in our success story., • Support. We all rely on each other and enable each other to be successful. You won’t stand alone., • Curiosity and genuine interest in you. We all have our different stories, all equally fascinating, with each depicting a different journey, and we want to hear them all., • Recognition. We are the sum of individual achievements, and we always take the time to celebrate them., • An open organisation. Hierarchies are not our thing, and access is something we make sure of across the board. We are a family where everyone is just as important, everyone’s work is seen, and ideas are valued. OUR COMMITMENT TO INCLUSION At Syniti, we’re committed to creating a respectful, inclusive, and fair workplace where everyone belongs and thrives. We believe that diverse perspectives make us stronger — and we value the unique backgrounds, experiences, and voices each person brings to our team. We welcome applicants based on their skills and potential, and we’re dedicated to ensuring equal opportunities for all, regardless of personal background. If you need accommodations during the hiring process, please let us know — we’re here to support you.

As a Senior Security Engineer you'll design and implement robust, forward-thinking security strategies, policies and procedures to safeguard the business' systems, networks and data, collaborating as part of the wider platform engineering team with a focus on cloud security (AWS and GCP). You'll tak

Working for an industry leading, high-growth SaaS business, the Senior Software Engineer will build innovative next-gen solutions that are at the forefront of the industry.In this role, the Senior Software Engineer will be given full autonomy, taking ownership from design phase through to deployment

SENIOR PYTHON ENGINEER LONDON £65,000 - £85,000 You’re a problem-solver who thrives on complex data challenges and wants to see your work make a measurable impact? Here’s your chance to join. Work with real-world ML datasets, cutting-edge data systems, and a platform that processes billions of events — all while helping shape how global advertisers protect their ad spend. THE COMPANY This fast-scaling SaaS company is using machine learning to make digital advertising more transparent, efficient, and fraud-free redefining how advertisers protect and optimise their campaigns. Their machine learning platform detects and blocks invalid or low-value clicks across search, display, and social channels, empowering marketing teams with trusted data and higher ROI. Your work will directly support their mission to make digital advertising more transparent and impactful. THE ROLE As a Senior Python Engineer, you’ll play a key role in building and improving the core platform that powers the AI-driven traffic protection and analytics capabilities. You’ll work closely with the other teams to launch new models, enhance real-time tracking, and deliver high-performance backend solutions that process massive datasets. Specifically, you can expect to be involved in the following: • Developing and maintaining large-scale data pipelines and backend systems in Python., • Working with AI/ML datasets to help train and deploy new detection models., • Building and improving integrations, and working on greenfield product developments., • Collaborating with data science and applications teams to deliver features at scale., • Working with real production data (billions of data points) in a fast-paced, high-impact environment., • Deploying code to production with flexibility to shape and improve existing processes. SKILLS AND EXPERIENCE The successful Senior Python Engineer will have the following skills and experience: • Strong Python (python frameworks), backend development experience (3+ years), • Experience working with AI/ML or big data systems., • Familiarity with AWS, Redshift, or other cloud data platforms (GCP/Azure also welcome)., • Background in AdTech, MarTech or experience with Meta Marketing API or Google Ads API is a plus., • Ability to thrive in a fast-paced scale-up environment and collaborate across teams. BENEFITS The successful Senior Python Engineer will receive the following benefits: • Salary: £65,000 – £85,000, depending on experience, • Hybrid working with 2 days in the London office, • Opportunity to work with cutting-edge ML and large-scale data systems, • Career growth in a rapidly scaling Series A company, • Collaborative, innovative engineering culture with high ownership, • Great work-life balance HOW TO APPLY Please register your interest by sending your resume/CV to Joana Alves via the Apply link on this page.

ABOUT US ___, part of Capgemini, tackles the hardest work in data for the world’s largest organizations. We combine intelligent software with deep data expertise to help the Fortune2000 tackle complex data challenges and drive measurable business outcomes with business-ready data. Syniti’s Data First strategy transforms data from an afterthought into a strategic asset—unlocking insights, reducing risk, and fueling growth. With over 5,000 successful projects, we support the full data lifecycle through a unified platform for migration, quality, replication, matching, master data management, analytics, governance, and strategy. Operating globally across industries, Syniti’s award-winning software, expert consultants give enterprises a unique edge in managing and maximizing their data. Syniti’s cloud-native platform sets new standards in enterprise data management, combining powerful SaaS solutions with deep domain expertise. Designed for agility and scale, our technology helps customers accelerate digital transformation, drive innovation, and make confident decisions with trusted data. Every product enhancement is built to solve real business challenges—empowering organizations to unlock value from their data faster and more effectively. THE ROLE The Lead Engineer is responsible for the successful installation, configuration, and technical leadership of Syniti software solutions. This role requires a deep understanding of Syniti's data migration and data quality tools, as well as the ability to guide and mentor a technical team through complex data projects. The Technical Lead will work closely with project managers, business analysts, and client stakeholders to ensure that Syniti solutions are implemented effectively and efficiently. WHAT YOU WILL DO 1. Installation and Configuration: · Lead the installation and configuration of Syniti software solutions, ensuring alignment with project requirements and technical specifications. · Collaborate with IT teams to prepare the environment for Syniti solution deployment, including hardware and software prerequisites. 2. Technical Leadership: · Provide technical guidance and mentorship to the project team, ensuring best practices in data migration and data quality are followed. · Develop and maintain technical documentation, including architecture diagrams, configuration guides, and troubleshooting procedures. 3. Project Management Support: · Work closely with project managers to define project scope, timelines, and deliverables. · Assist in the development of project plans and schedules, ensuring technical tasks are accurately represented. 4. Stakeholder Engagement: · Engage with client stakeholders to understand their business requirements and translate them into technical solutions. · Conduct technical workshops and presentations to demonstrate Syniti solution capabilities and project progress. 5. Continuous Improvement: · Stay updated with the latest Syniti product releases and enhancements, incorporating new features into project solutions where applicable. · Identify opportunities for process improvements and implement changes to enhance project delivery and client satisfaction. WHAT IT TAKES · 5+ Years of experience in IT Services Delivery, with strong emphasis on server configuration, support, and troubleshooting. · Bachelor’s degree in Computer Science, Information Technology, or a related field. · Familiarity with data integration tools and techniques. · Advanced experience with SQL Server, SAP HANA, and/or Postgres database management. · Excellent problem-solving skills and the ability to troubleshoot complex technical issues. · Proven experience in leading technical teams and managing client relationships. · Strong English communication skills, both written and verbal, with the ability to convey technical concepts to non-technical stakeholders. · Extensive experience with Syniti software solutions, particularly in installation and configuration. · Strong understanding of data migration methodologies and data quality principles. · Certification in Syniti solutions or related technologies. · This position may require travel to client sites for project implementation and support. · The role may involve working outside of standard business hours to meet project deadlines or address critical issues. Be fully aligned with our core values: • Think Big - Be courageous and bold. Aspire to greatness. Relentlessly pursue market innovation. Set the standard by which others follow. Create solutions that have a meaningful impact. Solve the challenges our customers don’t know they have., • Be Curious - Be a lifelong learner. Seek out new ideas to serve customers. Understand our competition and the world. Be permanently dissatisfied with the status quo. Challenge preconceptions. Focus on the future rather than yesterday., • Take Action - Be the first. Don’t wait. Take accountability. Inspire others by doing. Fail fast and learn from mistakes. Make a difference every day., • Stronger Together - Respect, trust and look out for each other. Celebrate diverse perspectives. Listen. Build connections and belonging. Act with integrity. Give back. One Syniti family. WHAT WE OFFER • Trust that you are proficient at what you do. At Syniti, you will find a supportive environment and access to learning tools, but micromanagement is not our thing., • Growth. We are growing rapidly and steadily solving the biggest challenges enterprise companies are faced with today. There was never a better time to join and grow with us. Most importantly, you will have the chance to shape our journey and share in our success story., • Support. We all rely on each other and enable each other to be successful. You won’t stand alone., • Curiosity and genuine interest in you. We all have our different stories, all equally fascinating, with each depicting a different journey, and we want to hear them all., • Recognition. We are the sum of individual achievements, and we always take the time to celebrate them., • An open organisation. Hierarchies are not our thing, and access is something we make sure of across the board. We are a family where everyone is just as important, everyone’s work is seen, and ideas are valued. OUR COMMITMENT TO INCLUSION At Syniti, we’re committed to creating a respectful, inclusive, and fair workplace where everyone belongs and thrives. We believe that diverse perspectives make us stronger — and we value the unique backgrounds, experiences, and voices each person brings to our team. We welcome applicants based on their skills and potential, and we’re dedicated to ensuring equal opportunities for all, regardless of personal background. If you need accommodations during the hiring process, please let us know — we’re here to support you.

Windows Infrastructure Engineer (Platform Operations) | Up to £650 Outside IR35 | 6 Months | 3 days p/week in London | Azure, VMs, Windows Infrastructure, Routing, Networking, Meraki Switches, SaaS, ITIL. Windows Infrastructure Engineer (Platform Operations) | Up to £650 Outside IR35 | 6 Months |

Head of Engineering / VP of Engineering I’m working with a fast-growing AI company at the forefront of real-time market intelligence, supporting some of the world’s leading financial institutions. They’re now looking for a Head of Engineering (or VP of Engineering) to lead their next stage of technical and team scale-up. This is a strategic and hands-on leadership role, combining technical vision, team growth, and delivery across products powered by LLMs, forecasting models, and scalable API platforms. Key Responsibilities • Own the technical strategy and execution across the company’s core products, including real-time APIs, data pipelines, and LLM-powered analytics., • Collaborate closely with Product and Data Science to deliver a forward-thinking technology roadmap., • Lead, mentor, and scale a high-performing engineering team (currently ~10), nurturing a culture of ownership, speed, and technical excellence., • Make key architectural decisions, ensuring system scalability and data infrastructure performance., • Maintain high engineering standards while remaining close to critical technical choices., • Recruit top talent and build a strong, inclusive team culture., • Oversee DevOps, InfoSec, and internal IT, ensuring smooth and secure operations., • Sit on the leadership team and act as a key bridge between engineering, product, and commercial. What I’m Looking For • 8+ years of engineering leadership within B2B SaaS, ideally in AI/ML or data-focused environments., • Experience growing teams through start-up to scale-up (Series A/B); time in both early-stage and mature environments is a bonus., • Strong technical foundation in Python, distributed systems, cloud infrastructure (Azure preferred), and modern scalable architectures., • Solid grasp of Agile practices, continuous delivery, and high-performing lean teams., • People-first leadership style, with a proven ability to build and nurture high-performing teams., • Exposure to machine learning, NLP, or financial data products is highly advantageous.

Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/ Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with Central Government organisations but they also have strong ties with Defence and Telco. They have experienced impressive growth over the last few years being named 14th fastest growing small Tech business in the UK by FT and as a result they are involved in some of the most challenging yet rewarding large scale technical projects in the country. Currently they need a Technical Lead for their mature AI product, this role will begin with an internal focus but as time progresses you will also help their clients to implement and utilise the product to its fullest. Key skills • Strong software engineering skills, delivering end-to-end software products., • Highly product orientated., • Highly skilled in Python development, with knowledge of FastAPI framework., • Good databases knowledge with schema design and SQL., • Some front-end development preferably TypeScript & React is highly desirable., • Experience of designing scalable systems and working with CI/CD pipelines., • Experience in data-driven applications, cyber security, or SaaS platforms is beneficial. This role requires SC clearance preferably you will already have this but otherwise due to the nature of the work you must be a British Citizen to be successful in your application, if you think you are a good fit please reach out. Technical Lead | Product Technical Lead | Tech Lead | AI/ Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus

Head of Engineering London / WFH to £140k Are you a visionary technology leader looking for your next opportunity? You could be progressing your career in an impactful Head of Engineering position at a global tech company that provide data centric software solutions to major blue-chip and government organisations to enable them to discover and analyse data and customer feedback. As the Head of Engineering you'll collaborate with the CTO, Head of Product and Heads of Operations to align engineering with business goals and product transformation plans. You'll manage three engineering teams, with about 40-45 staff in total across technology (7 direct reports), operations and QA: overseeing engineering operations, budgets and performance metrics. You'll optimise development processes and delivery pipelines, foster a culture of technical excellence, efficiency and continuous improvement and promote adoption of emerging technologies and AI powered tools. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office twice a week. About you: • You have strong experience in engineering leadership with a deep technical understanding of DevOps, QA and modern development methodologies (the tech stack is based on C# .Net, React, Azure, Snowflake, GitHub and modern CI/CD pipelines), hands-off now, • You have advanced strategic thinking and operational execution skills with a product mindset and appreciation of SaaS, • You have expertise in implementing engineering metrics, performance frameworks and resource / capacity planning, • You're able to foster a culture of engineering excellence and innovation, • You bring out the best in others, have no ego and enjoy developing people, • You have strong stakeholder management skills and are a confident communicator What's in it for you: As a Head of Engineering you'll earn a competitive package: • Salary to £140k, • Bonus, • Unlimited holiday allowance, • Flexible working (x2 days a week in London), • Private medical insurance as well as well-being benefits, • Pension and Life Assurance, • Committees for wellness, charity and volunteering, DE&I, • Team and company socials Apply now to find out more about this Head of Engineering 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.

Machine Learning Engineer Location - Remote (UK) Salary - £80,000 I am partnering with a product-led MarTech company building an AI-driven platform that helps teams make better decisions about digital content and performance. The platform applies machine learning to real-world data to analyse and improve how content performs at scale, moving decision-making away from guesswork and towards measurable insight. AI is a core part of the product and is already embedded in live, customer-facing workflows, running on a cloud-native stack with strong use of Google Cloud Platform (GCP). What You’ll Be Doing • Lead the development and deployment of machine learning models used in a live SaaS product, • Own models end-to-end from experimentation through production deployment, monitoring, and iteration, • Work closely with product, engineering, and non-technical stakeholders to embed AI into real workflows, • Improve the scalability, reliability, and performance of existing ML systems, • Review code and architecture, setting a high engineering standard, • Analyse data and run ad-hoc studies to generate actionable insights into marketing effectiveness What They’re Looking For • Strong experience as a Machine Learning Engineer / AI Engineer in a product-led environment, • Advanced Python skills and hands-on experience with PyTorch, TensorFlow, or similar ML libraries, • Experience deploying and maintaining ML models in production, • Solid software engineering fundamentals (algorithms, data structures, clean code), • Comfortable working with Docker and containerised systems, • Experience collaborating cross-functionally and owning delivery, not just models, • A mindset focused on impact, curiosity, and continuous improvement

Financial Controller based in the West End, paying £60-80k, qualified, London, City of London,. I am working with a high-performing SaaS company based in London (West End), hiring a qualified ACA / CIMA /ACCA (or equivalent) person to join the team as the Financial Controller. As a Financial Contro

Management Accountant, SAAS, London, central London, qualified.I am recruiting for a Management Accountant role for a unique SAAS agency which supports a wide client base across different sectors and locations.The company has a close business partnership with one of the largest media agencies global

Opportunity to work in a high-growth business, developing your core management accounting skills and working alongside a credible and collaborative team.

Technical Solutions Engineer – Deep-Tech AI (RetailTech / PoS Vision AI). RetailTech (SaaS), PoS systems, edge AI, computer vision, or IoT. Technical Support Engineer (L2/L3).

🚨 New Role: Senior Product Engineer – SaaS Startup 🚨 We’re excited to partner with a profitable SaaS startup experiencing rapid growth and strong ARR in a short timeframe. Due to increasing customer demand, they’re expanding their engineering team and looking for product-minded engineers to join them on their journey. 💼 Role Details • Title: Senior Product Engineer, • Location: Hybrid – 3 days/week in Central London office, • Salary: Up to £150k + Equity, • Tech Stack: Go, TypeScript, React (open to other strong technical backgrounds) ✅ What They’re Looking For • Engineers who think like product owners, • Prior startup success or fast-paced environment experience, • A background in top-tier education or equivalent proven ability 🌟 Why This Role? • Join a high-growth, product-led team, • Build features that directly impact customer success, • Work with a smart, driven team and cutting-edge tech 📩 Interested? Send your CV to get the conversation started!

Mid Software Engineer (Fintech) Location: Liverpool Street, London Working pattern: Hybrid, 1 to 2 days per week in the office Salary: £60,000 to £70,000 Tech: C#, ASP.Net MVC, JavaScript, Azure Neulinx are delighted to be partnered with a fast-growing fintech start-up operating across UK and international investment markets. The business has built a modern investment platform for wealth managers and financial advisers, delivering enterprise SaaS technology into the wealth sector. The company currently employs around 20 people, with a small but highly capable engineering function split between the UK and the Philippines. Due to continued growth, they are now looking to hire a Mid Level Software Engineer. (C#, ASP.Net MVC, JavaScript, Azure). The role You will play a key part in the continued evolution of the platform, working on new products and features that directly support wealth managers and advisers. This is a hands-on role with real ownership and influence over technical decisions. Key responsibilities • Developing and enhancing the enterprise SaaS platform, • Building new tools and products for financial adviser clients, • Automating trading and transfer processes end to end, • Introducing modern technologies into the WealthTech platform, • Designing and implementing solutions to complex technical challenges What they are looking for • Experienced full-stack engineer with at least 3 years of commercial experience, • Strong understanding of OOP principles and design patterns, • Solid experience with C#, ASP.Net MVC and Entity Framework, • Someone who values autonomy, ownership and trust, • Appreciation for simple, maintainable and well-structured code Nice to have • Experience within financial services or fintech, • Experience integrating third-party APIs, • Experience refactoring legacy code and improving performance, • Exposure to unit testing Current tech stack • C#, • .NET MVC, • Entity Framework (Code First), • MS SQL, • HTML and CSS, • JavaScript, • Git, • Azure infrastructure Company culture You will be joining a collaborative and supportive environment where engineers are trusted to do their best work. Your voice will be heard, you will have real autonomy, and you will be encouraged to work independently while contributing to the wider team. Benefits Alongside a competitive salary, the package includes a strong pension, private medical cover, caregivers’ insurance, gym membership, season ticket loan and additional benefits. If you are interested in joining a modern fintech business and working on a genuinely impactful platform, apply via Neulinx to start your journey as a Mid Level C# Software Engineer.

Build the engine behind the platform, transforming frontline access. At Cocentric, we’re scaling Connect – our flagship SaaS platform built to simplify workforce access, provisioning, and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing code, and solving meaningful problems that impact thousands of employees. This is a hands-on, delivery-focused role for someone who enjoys building secure, scalable back-end systems and thrives in a high-trust, collaborative environment. WHAT YOU WILL DO • Develop and maintain back-end services, APIs, and integrations for the Connect platform, • Write clean, efficient, and testable C# code that performs at scale, • Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers, • Collaborate with front-end developers, QA, and product teams to deliver end-to-end features, • Build with performance, security, and maintainability in mind – always, • Write and maintain automated unit and integration tests within our CI/CD pipeline, • Contribute to technical planning, estimation, and documentation, • Continuously improve our development processes and engineering standards WHAT YOU’LL BRING • Strong experience in C# and the .NET ecosystem, • Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.), • Solid understanding of modern back-end architecture – including microservices, APIs, and messaging patterns, • Familiarity with CI/CD pipelines, automated testing, and DevOps practices, • Experience troubleshooting production issues and delivering resilient solutions, • A collaborative mindset and great communication skills – able to work well across disciplines, • Bonus: experience with identity systems (e.g. Microsoft Entra ID / Azure AD), SSO, or HRIS integration OUR TECH STACK • Frontend: React, JavaScript, • Backend: C#, .Net, Azure Service Fabric, Kubernetes, • Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC • Be a key part of a product that’s transforming how the frontline workforce connects, • Help shape the technical foundation of a platform built for scale and impact, • Work alongside a talented, fast-growing team backed by investment and momentum, • Hybrid working model with a base in our London office and flexibility to work from home, • 29 days annual leave, including a day off for your birthday, plus bank holidays., • Our office closes over Christmas, • Generous private medical care and additional perks with Vitality, • Cocentric recognise that your family is important and being able to spend quality time with your family as it grows is a wonderful experience. This is why we offer enhanced Maternity, Paternity, Adoption and Parental leave.

Senior Software Engineer 📍Location: Onsite, London, United Kingdom ⌛Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly and looking for top-tier engineers to join our team. You’ll have the chance to work in a high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This is a hands-on, high-impact position where you will be directly responsible for delivering clean, scalable, and high-performance code. You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform. We’re looking for an engineer who thrives in a fast-paced environment, embraces ownership, and is passionate about building software that makes a real difference. If you enjoy working with cutting-edge technologies, solving challenging problems, and iterating quickly in a collaborative environment, we’d love to hear from you. Essential experience • 5+ years of experience in software engineering, ideally with some experience in a startup environment., • A proactive, ownership-oriented attitude with the ability to take initiative and drive projects forward, • Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React), • Experience working with databases (SQL and NoSQL), APIs, and web technologies., • Experience with cloud platforms (AWS, GCP, Azure), • Solid understanding of software engineering principles, including clean code, testing, and version control (git)., • Strong problem-solving skills and the ability to break down complex technical issues and deliver simple, effective solutions., • A collaborative mindset, with the ability to work closely with cross-functional teams to deliver high-quality products, • Excellent communication skills to articulate technical concepts to both technical and non-technical team members, • A passion for building robust, efficient software and a desire to continuously improve your skills and knowledge, • Familiarity with financial technologies, payment systems, or SaaS products, • Experience with continuous integration/continuous deployment (CI/CD) pipelines Desirable • Experience delivering challenging integrations with 3rd party systems, • Understanding of event-driven system design Why Ontik? At Ontik, we embrace a high-performance, ownership-driven culture where every team member plays a critical role in our success. We move quickly, take responsibility for our work, and continually strive for excellence. As a Software Engineer, you’ll have the opportunity to take ownership of key features, work with brilliant colleagues, and make a tangible impact on the future of our platform. If you’re ready to solve challenging problems, build innovative solutions, and contribute to a fast-growing startup, Ontik is the place for you.

Novatus Global is a Series B scale-up RegTech SaaS provider and boutique advisory firm, helping financial institutions manage their most complex regulatory requirements. We combine deep consulting expertise with cutting-edge SaaS solutions, enabling clients to strengthen compliance, enhance resilience, and drive sustainable growth. Our flagship SaaS platform, En:ACT (short for Enabling Accurate Compliance in Transaction reporting), is a market-leading solution for regulatory transaction reporting and reconciliation across global regimes. En:ACT automates reporting, reconciles data across systems, and maps errors directly to regulatory rules, helping firms remediate quickly, reduce risk, and meet regulatory obligations with confidence. Already trusted by more than 30 firms worldwide, the platform is scalable, proven, and designed for both business and technical users. Alongside our SaaS offering, our unique model delivers consulting services across Risk & Compliance (including Transaction Reporting and Operational Resilience), ESG, Strategy, Data, and Operations. Unlike larger consultancies, we embed ourselves within client teams to deliver both insight and execution, taking ownership of outcomes and driving measurable impact. Since our launch in 2019, we have scaled rapidly, creating space for our people to grow with the business. Backed by North American private equity investment, and partnerships with the London Stock Exchange Group and Snowflake’s global data platform, we are shaping the future of regulatory compliance through innovation in both advisory and technology. Our growth plans do not stop here; we are on the lookout for top-tier talent to join us on our journey and enable our next phase of success. The Role: QA Engineer Location: London HQ Hybrid working and flexible hours: 4 days in the office and 1 WFH. Novatus Global is seeking an experienced QA Engineer to join our growing team. In this role, you will own the testing strategy, ensuring that all new features and releases are thoroughly tested before deployment. You will be responsible for implementing automated testing to maintain high-quality standards across the platform and reduce manual effort wherever possible. This role is ideal for someone who is proactive, detail-oriented, and passionate about delivering reliable software in a fast-paced, regulated environment. Key Responsibilities • Own the QA and testing strategy, ensuring that all new features and releases are properly checked before deployment., • Design, implement, and maintain automated tests to improve coverage and efficiency of the QA process., • Collaborate closely with Product, Engineering, and Data teams to understand requirements and translate them into effective test plans., • Conduct manual testing where automated coverage is not yet feasible, ensuring that all functionality works as intended., • Identify, document, and track defects, working with development teams to ensure timely resolution., • Continuously improve testing processes, tools, and practices to maintain high-quality standards., • Participate in release planning and provide QA input to ensure risk is minimised before client deployments., • Identify, implement and leverage AI tooling to automate QA practices and improve BAU efficiency., • Champion quality assurance best practices across the team and promote a culture of testing and reliability. About You: • Proven experience as a QA Engineer, Test Analyst, or similar role., • Strong experience with automated testing frameworks and tools (e.g., Playwright, Cypress, Jest, or similar)., • Experience implementing or utilising AI tooling to automate and streamline QA BAU., • Solid understanding of software development life cycle (SDLC) and testing methodologies., • Experience with test planning, execution, and defect management., • Familiarity with CI/CD pipelines and integrating automated tests into deployment workflows., • Strong analytical skills and attention to detail., • Excellent communication and collaboration skills, capable of working with both technical and non-technical stakeholders., • Experience working in regulated industries (finance, fintech, RegTech, or similar) is advantageous. Benefits: • Private Medical Insurance (AXA) - includes mental health, dental, vision, and private GP access, • Employee Assistance Program, • Enhanced parental leave (maternity & paternity), • Professional qualification sponsorship, • Fast career progression based on performance, not tenure, • Holiday entitlement increases with tenure, • Flexible hours with core collaboration time, • Paid volunteering leave, • Gym & fitness discounts, • Monthly team lunches, quarterly socials, and office snacks & drinks, • Interest-based working groups to collaborate and innovate Diversity, Equity & Inclusion Novatus is an Equal Opportunity Employer. All employment decisions are made based on business needs, role requirements, and individual qualifications, without regard to race, age, religion or belief, sex, sexual orientation, gender identity or expression, marital or civil partnership status, pregnancy or maternity, socioeconomic background, disability, or any other characteristic protected under the Equality Act 2010. We maintain a workplace culture that is inclusive, respectful, and supportive. Our recruitment and selection processes are designed to ensure fairness and consistency for all candidates. Reasonable adjustments are available throughout the application and interview process, and candidates are encouraged to contact Human Resources to discuss any specific requirements. This commitment is embedded in all aspects of our employment practices, including recruitment, compensation, professional development, promotion, and workplace conduct.

Design smarter solutions for the frontline workforce. Connect by Cocentric is growing – fast. Our platform connects the dots between HR systems and digital workplace tools, providing frontline employees with seamless access to what they need and removing the need for email accounts or manual workarounds. We’re looking for a Solutions Architect to join our team and lead the technical design of new client implementations. You’ll work across product, engineering, consulting, and client teams to design scalable, secure, and elegant solutions that meet business goals. It’s a hands-on, collaborative role where your technical expertise and consultative mindset will help deliver measurable impact at scale. WHAT YOU WILL DO • Own the end-to-end solution design technical deployment for new Connect implementations, • Work directly with clients to understand business needs, technical environments, and integration requirements • Define architecture, data flows, authentication methods, and system configurations, • Collaborate closely with engineers, project managers, and digital consultants to deliver solutions that are technically sound and practically deliverable • Create solution documentation, diagrams, and technical specifications to guide delivery, • Support pre-sales conversations with technical expertise and design input, • Champion best practices in integration, identity, and data architecture, • Contribute to the continuous improvement of solution design processes WHAT YOU'LL BRING • Strong technical experience designing solutions across B2B SaaS platforms, • Proven ability to lead solution design across identity, API integrations, and data provisioning, • Working knowledge of platforms like Microsoft Entra ID (Azure AD), Workday, SAP SuccessFactors, or similar HRIS systems • Strong communicator who can translate complex concepts into clear technical plans, • Experience working in cross-functional teams including engineers, consultants, and commercial stakeholders • A pragmatic, delivery-focused mindset – able to balance ideal solutions with client and timeline realities • Experience with IAM, SSO, or system integration is a plus WHY JOIN COCENTRIC? • Play a key role in shaping how organisations roll out Connect to their global frontline teams, • Work at the intersection of technology, strategy, and impact, • Be part of a collaborative, fast-paced team backed by recent funding and strong client demand, • Hybrid working model with a base in our London office and flexibility to work from home, • 29 days annual leave, including a day off for your birthday, plus bank holidays. o Our office closes over Christmas • Generous private medical care and additional perks with Vitality, • Cocentric recognise that your family is important and being able to spend quality time with your family as it grows is a wonderful experience. This is why we offer enhanced Maternity, Paternity, Adoption and Parental leave

Do you think Voice AI is the future of human-computer interaction? Will future generations consider keyboards archaic? Voice AI is definitely hot. Interacting with coding tools, SaaS platforms, Customer service, BDR’s, your Dr’s office, video editing software, and just about anything else you can think of. Talk to the software and tell it what you want it to do, and have it talk back. Have the software talk to your customers and ask them what they want it to do. Pretty wild. If you think this is the future has already started and you want to be a part of it, this is the role for you. Join an early-stage start-up as an impact player in software engineering. You will be building the infrastructure that will deliver millions of voices over the internet in the years to come. This product is targeted at development teams in AI startups. The goal to give them a clear solution to some of the tough infrastructure problems involved in delivering conversational AI. What makes this a particularly great role? Team: Experienced founding team with multiple previous exits Flexibility: Unlike just about every other startup, right now they are really flexible. Just one day a week in an office in London. (Location TBC - They don’t have an office yet.) Growth: The founder built version one of the product himself. He thinks you can do better and would like to see you try. Also, he needs to become more of a CEO, and that will leave a vacuum in the technology department. Technical challenge: Delivering AI voices in real-time over the internet. Work with cool tech like Cloudflare Workers to achieve ultra-low latency. Reward: Base of up to £110 000 + serious equity. Is this a great fit for you? Want to talk about it with a human? Send an email to and put “Voice Of Reason” in the subject line. Give me two lines on why you like the sound of the role and two more on why you are a good fit. All emails received this way will get a response. It may not be possible to review all LinkedIn applications.

TXM are exclusively representing GTS Rail Operations an industry-leading train operator, bringing together the very best expertise to transform travel across London. GTS Rail Operations is an equal opportunities employer. Our recruitment and selection policy attracts and ensures the highest quality candidates are appointed using objective job-related criteria. This is an exciting opportunity within the IT operations centre based in London. Reporting the to the Head of IT, the successful candidate will play a key role protecting IT services and infrastructure from cyber security threats. Role Overview The purpose of a Cyber Security Manager role is to protect GTS Rail Operations Limited’s IT Services and infrastructure from cyber threats. The role is responsible for designing, implementing, and maintaining security measures to ensure the confidentiality, integrity, and availability of data and services. The role includes identifying vulnerabilities, monitoring for security breaches, and responding to incidents. They also work to educate employees on best practices for information security. Main Responsibilities • Security Implementation and Management, • Deploy and optimise security solutions to safeguard IT services and infrastructure., • Lead security assessments including vulnerability testing and risk analysis to identify and mitigate potential threats., • Design and enforce security controls based on identified requirements and gaps in existing structures., • Threat Detection and Response, • Monitor and respond to security incidents ensuring rapid and effective action., • Develop comprehensive incident response plans to maintain organisational resilience against threats., • Oversee operational security processes with tools like SIEM, EDR, and Vulnerability Management, continuously enhancing capabilities., • Network and System Security, • Manage advanced security tools such as firewalls and IDS/IPS to protect network integrity., • Enforce robust security policies to maintain system security standards., • Compliance and Audit Support, • Ensure adherence to compliance standards including ISO27001, NIST, and GDPR through regular audits and risk assessments., • Support audit processes by providing necessary documentation and evidence of compliance., • Security Awareness and Training, • Conduct regular training sessions to cultivate a security-aware culture., • Develop and update security policies, communicating essential guidelines across the organisation., • Cloud and Application Security, • Enhance the security of cloud services (SaaS, PaaS, IaaS) and enterprise applications, • through advanced security measures and identity access management (IAM). Education & Competencies • University Degree or equivalent preferred, • A minimum of 3 years' experience in a similar role., • Strong and demonstrable experience of Cyber Security Operations and Engineering. Cyber Security Certifications, CISSP, Azure Security and additional qualifications., • Good underpinning knowledge of the Microsoft technology stack, cloud, on-premises and End user Compute., • Understanding and experience of web filtering, email security, SIEM, EDR/XDR. Experience of managing investigations in SOC (L2 or above)

Role: Engineering Lead (Full stack - back lean preferred) Salary range: 100-150k Location: Central East London (x3 days per week onsite - Tues/Wed/Thurs) Tech stack includes: React, Angular, Typescript, NodeJS, NestJS, GCP, Python, PostgreSQL Current team size: x2 Engineers, x1 Data Scientist & x1 ML Engineer We're working with a SaaS startup company that helps brands actually see what’s working when they partner with creators, trusted by the world’s top agencies and empowering fearless growth for 250+ global brands, they provide real-time insights on what's working and how to improve. Reporting into the CEO, they're looking for a product minded Engineering Lead that isn't afraid to challenge decisions & provides strong conviction with what the team is building. 50% hands on coding to start & managing a team of 4 people. Essentials for this role: • Early stage startup experience e.g. founder engineer, ex founder or part of the journey early on., • Strong full stack Typescript experience - backend leaning., • At least a few years managing a team. Bonus: • Adtech / Martech experience, • Hands on experience with Data & ML No sponsorship available sorry!

RetailTech, SaaS, PoS systems, computer vision, IoT, or distributed systems. Work across AI, computer vision, , hardware, and cloud technologies. Technical Solutions Engineer – Deep-Tech AI (RetailTech / Computer Vision).

🚨 New Role: Lead Product Engineer (Backend Leaning) – Up to £180,000 🚨 We’re excited to partner with a profitable SaaS startup experiencing rapid growth and strong ARR in a short timeframe. Due to increasing customer demand, they’re expanding their engineering team and looking for product-minded engineers to join them on their journey. 💼 Role Details • Title: Lead Product Engineer, • Location: Hybrid – 3 days/week in Central London office, • Salary: £120k to £180k (Depending on experience) + Equity, • Tech Stack: GO, TypeScript, React, Next.js ✅ What They’re Looking For • Engineers who think like product owners, • Prior startup success or fast-paced environment experience, • A background in top-tier education or equivalent proven ability 🌟 Why This Role? • Join a high-growth, product-led team, • Build features that directly impact customer success, • Work with a smart, driven team and cutting-edge tech 🚨 New Role: Lead Product Engineer (Backend Leaning) – Up to £180,000 🚨

Golang Engineer A fast-growing London-based software company building highly scalable, cloud-native platforms used by thousands of customers worldwide seek a Golang Engineer to help scale the next generation of distributed systems. The engineering culture values clean code, ownership, collaboration, and continuous improvement. The Role You’ll be working on high-performance backend services and infrastructure powering mission-critical systems. You’ll have real influence over technical direction, architecture, and tooling, while collaborating closely with product, SRE, and platform teams. What You’ll Be Doing • Designing and building scalable Microservices in Go, • Developing and maintaining cloud-native applications running on Kubernetes, • Building APIs, internal tooling, and background processing systems, • Improving performance, reliability, and security of production services, • Contributing to architectural decisions and best practices, • Writing clean, well-tested, and well-documented code What We’re Looking For • Strong commercial experience with Go (Golang), • Hands-on experience deploying and operating workloads in Kubernetes, • Solid understanding of microservices architecture and REST/gRPC APIs, • Experience with cloud platforms (AWS, GCP, or Azure), • Comfortable with CI/CD pipelines and infrastructure-as-code, • A proactive, collaborative mindset Nice to Have • Experience with Helm, Terraform, Prometheus, or Grafana, • Knowledge of service meshes, event-driven systems, or Kafka, • Previous experience in high-scale or SaaS environments What We Offer • £100-£120k base + equity, • Once every other week in the office, the rest is WFH, • A supportive, engineering-first culture where your ideas matter

Senior Frontend Developer Up to £90,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to lead a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: • Strong expertise in React & Typescript - ideally also with Next.js, • Strong UI/UX intuition with a user-centric approach, • Experience working in a lean start-up environment is beneficial What's on offer: • Salary up to £90,000 + Benefits, • Central London - Flexible Remote options (Max 2 days per week onsite), • Chance to make a positive social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you!

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

Implementation Engineer – FinTech / Data / SaaS Location: London (Hybrid – up to 3 days remote) Visa Sponsorship: Not Available A fast-growing B2B SaaS company is building a next-generation payments and data platform serving enterprise clients across insurance and financial services. The business is scaling rapidly and is looking for an Implementation Engineer to lead client onboarding, data integration, and end-to-end delivery of complex technical solutions. This is a hybrid role combining client-facing consulting, data engineering, and solution design. You’ll work directly with external clients to deeply understand their data, operational workflows, and payment processes, translating that into scalable, production-grade solutions. The Role You’ll own onboarding projects from discovery through go-live, building ingestion pipelines, mapping logic, and reconciliation workflows tailored to each client. Working closely with Product and Engineering teams, you’ll continuously improve the onboarding experience and platform capabilities. This role suits someone who enjoys solving messy data problems, working directly with customers, and having real ownership in a scaling startup environment. What You’ll Be Doing: Client Discovery and Requirements • Lead technical discovery sessions to map data sources, workflows, and reconciliation processes., • Uncover edge cases, undocumented logic, and operational nuances., • Translate business and operational needs into clear technical specifications. Data Analysis and Integration • Analyse complex datasets (Excel, CSV, PDFs, data feeds) and identify required transformations., • Design and implement data mappings, validation rules, and ingestion workflows., • Transform inconsistent or messy data into clean, structured formats aligned with internal schemas. Solution Design and Delivery • Architect and configure client-specific ingestion, matching, and reconciliation rules., • Build proof-of-concept integrations to demonstrate platform value early., • Execute full implementation cycles including testing, troubleshooting, and documentation. Client Communication and Success • Act as the primary technical point of contact during onboarding., • Communicate clearly with both technical and non-technical stakeholders., • Build strong client relationships through consistent delivery and structured solutions. Platform and Process Improvement • Identify reusable onboarding patterns and contribute to templates and tooling., • Collaborate with Product and Engineering to improve platform capabilities., • Help standardise and scale onboarding processes. What We’re Looking For: Core Skills • Strong analytical mindset with the ability to understand complex workflows., • Experience working with CSV, Excel, SQL databases, APIs, and data pipelines., • Strong SQL skills and experience with scripting languages such as Python., • Ability to diagnose and resolve data quality, transformation, and mapping issues., • Comfortable leading client discussions and working through ambiguity. Nice to Have • Background in fintech, insurance, payments, or reconciliation systems., • Experience in implementation engineering, solutions engineering, or technical consulting., • Exposure to cloud platforms, ETL pipelines, matching logic, or financial data models. Personal Attributes • High ownership and accountability., • Clear, confident communicator., • Comfortable in fast-moving startup environments., • Curious problem solver with strong attention to detail. Benefits • Hybrid working model (central London office), • Private healthcare, • Regular team lunches and international offsites, • High-spec technical equipment, • 22 days annual leave plus bank holidays Interview Process • Introductory call, • Technical interview, • Onsite workshop and team collaboration session

Full Stack Engineer / Developer (TypeScript API React) London / WFH to £60k Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack? You could progress your career at a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically, improving liquidity and efficiency for all participants as the platform scales. As a Full Stack Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with frontend work using React and Next.js, you'll be able to pick up new things along the way in a flexible and supportive environment. Location / WFH: There's a remote first policy, with the caveat that you'll meet up with the team in London once every two months, so you can work from home most of the time. About you: • You have TypeScript and Node.js backend development skills - Python is also desirable for data related work, • You have experience with front end technologies, ideally React, Next.js (or similar), • You have experience of developing APIs, • You have a good appreciation of SaaS, Kubernetes, Infrastructure as Code, GitOps, CI/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine), • You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities, • You have an interest in AI tools and are comfortable using them to improve efficiency, • You're collaborative and pragmatic with great communication skills What's in it for you: • Salary to £60k, • Stock options, • Excellent career growth, • Remote working Apply now to find out more about this Full Stack Engineer / Developer (TypeScript API React) opportunity.

About Buildots: Buildots is transforming construction management with AI and computer vision. Our AI-powered SaaS platform automates on-site progress tracking, giving construction teams the tools to plan smarter, improve efficiency, and cut costly delays by up to 50%. The $13 trillion construction industry has seen little disruption in the past 150 years. Until now. Backed by leading VCs and industry pioneers, Buildots enables a new, performance-driven approach. Deployed on hundreds of projects across North America, Europe and the Middle East, Buildots is already reshaping the future of the world's largest industry, and we're on track for rapid expansion in 2025. Buildots’ customers include top global contractors, consultants and owners – Sir Robert McAlpine, Kier, Wates, Intel and Berkeley Homes, to name a few. What is Construction Solution in Buildots: The Construction Solution team is a prominent component of the Buildots Operations department. The team is responsible for the creation of our clients' construction projects within the Buildots system and managing the technical relationship with our clients over the life of the project. The role will involve interpretation of construction documentation (models, plans and schedules), discussion with our clients and work with internal design tools to produce the final Buildots digital twin of our clients project. The Construction Solution team in Buildots is staffed by construction professionals (site and project managers from top UK contractors) with site experience, who bring their expert site knowledge to the role. The team have extensive experience in site and trade management and use this knowledge to create a holistic understanding of how a construction project is built. The role is ideally suited to construction professionals who are looking to enter the technology industry whilst still retaining and reinforcing their existing expert construction knowledge. What you'll do: • Bring your knowledge to the creation of the ‘Buildots solution’ for global construction projects, • Conduct frequent construction-focused technical discussions with our customers, • Be a construction expert within the company to guide other internal teams, • Work by Buildots design guidelines combined with clients’ specific requirements to create a digital twin that allows them to maximise value of the Buildots Product and serves the client’s needs., • Understand the complexities of specific project’s construction methodologies to allow you to create a Buildots system that accurately represents how the client will be building the project, • As part of the overall Construction Solution team, use your experience to constantly contribute to the optimisation of our unique design methodology to improve quality and increase efficiency, • Take a prominent part of our clients’ implementation stage, by meeting our clients at discovery sessions, understanding their specific needs, while representing Buildots product and strategy., • Collaborate with various teams, such as Account Management, Customer Success and Product, in order to support the project and our clients' needs Requirements: • Five years of experience on construction projects in a mainly site based role, • Working knowledge of MEP systems and installations, • Ability to effectively communicate with construction professionals on site and remotely, • Engineering or construction management (or equivalent) degree, • Working knowledge of 3D software and BIM, • Comfortable with working in a fast paced, dynamic and changeable environment, • Professional verbal and written communication skills in English, • Great interpersonal skills & interface management, • Strong organisational, time management, and problem-solving skills, • Tech savvy, proficient in computer applications, MS Office and G Suite, • Be able to attend the London office 3+ days per week Advantages: • Experience working on residential, commercial or industrial building projects, • Experience with Navisworks, • Experience with Microsoft Project, Power Project or P6, • French/German language skills If you don’t meet every single requirement, we still encourage you to apply. Your unique experiences, skills, and passion may be exactly what we’re looking for. *By submitting your application, you agree that Buildots will process your personal data in accordance with ___.

London or Manchester (Hybrid) | £50,000 – £80,000 + Equity About us At the forefront of using investment portfolios as security for access to credit, Firenze is emerging as the category defining leader in what is known as “Lombard lending”. We already work with some of the UK’s leading wealth management firms to unlock access to what has historically only been available to UHNW clients of private banks. Backed by top tier investors, Firenze is now scaling the team to continue to ensure our credit infrastructure is underpinned by innovation, cutting-edge technology, and an unwavering commitment to driving client outcomes. Role Overview As a Full Stack Software Engineer, you’ll design, build, and deliver customer-facing features across our greenfield platform. You’ll work end-to-end—crafting TypeScript frontends and robust Java back-ends—while learning from experienced engineers and contributing to a modern, scalable architecture. This is a hands-on role with plenty of opportunity to develop your technical depth, gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems, you’ll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities • Feature Delivery: Collaborate with senior engineers to deliver new features from design to production., • Back-End Engineering (Java): Build APIs and microservices using Java (Spring Boot, Micronaut, or Quarkus), with guidance on best practices for performance and reliability., • Front-End Engineering (TypeScript – Nuxt/Vue): Develop responsive, accessible UIs with strong component and state management., • Data & Integration: Work with PostgreSQL, caching (Redis), and messaging (Kafka/SQS) — learning how to design resilient data flows., • Quality & Testing: Contribute to our testing culture (JUnit, Playwright, CI pipelines) and learn how to scale reliable delivery., • Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one., • Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone., • Cross-Functional Collaboration: Partner with product, design, and experienced engineers to break down work, estimate effectively, and deliver iteratively. Requirements • Experience: 3+ years of professional software engineering, including full-stack work on production systems (fintech or startup experience a plus)., • Java Proficiency: Hands-on experience building APIs/microservices in modern Java (Spring Boot or similar)., • TypeScript & Vue: Solid experience developing production-grade web apps with TypeScript and Vue/Nuxt., • Web Fundamentals: Good grasp of HTML/CSS, accessibility (WCAG), and secure web app design., • Databases & Messaging: Familiarity with PostgreSQL and at least one of Redis, Kafka, or SQS., • Testing Mindset: Comfortable writing and running tests; familiar with CI pipelines (GitHub Actions, GitLab CI)., • Cloud & Containers: Exposure to AWS or another cloud platform and Docker. (Kubernetes or ECS a plus.), • Growth Mindset: Curiosity to learn new technologies, seek feedback, and develop alongside experienced teammates. Bonus Skills • Interest in event-driven or distributed systems (Kafka, RabbitMQ, SQS)., • Exposure to DDD, CQRS, or hexagonal architectures., • Experience with observability tools (OpenTelemetry, Prometheus, Grafana)., • Familiarity with multi-tenant SaaS, RBAC, or performance tuning (JVM, SQL). Why Join Us? • Learn from experienced engineers: Work side-by-side with senior teammates who value teaching, pair programming, and open design discussions., • Accelerate your growth: Gain exposure to architecture, DevOps, security, and observability while contributing to production systems early on., • Impact: Shape a greenfield fintech platform with real business influence and visibility., • Collaboration: Join a supportive, high-performing team that values curiosity, innovation, and shared ownership., • Career Development: Clear progression opportunities as Firenze scales — move towards senior or specialist roles with mentorship and hands-on experience., • Competitive Salary (£50,000-£80,000) depending on experience, plus equity participation. You’ll be part of a hybrid team based in London or Manchester, combining the best of in-person collaboration with the flexibility of remote work. You’ll join a culture that values continuous learning, feedback, and building things the right way — not the fast way.

numi are proud to have exclusively partnered with a prominent player working with a global leaders in high quality services. What you'll be doing: We are seeking a brilliant .Net Engineer to help create amazing experiences for their clients and their customers through their best in industry SaaS platform. You will be involved in challenging, complex development for industry leading companies, as well as smaller start up projects Centered on a tech stack that includes C# .NET, React AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems. As an Engineer you will design scalable systems, write maintainable and testable code, and ensure the resilience of solutions to deliver exceptional service. Staying current with emerging technologies, you will champion advancements, inspire innovation, and mentor junior engineers to cultivate a culture of growth and excellence. Ideal candidates hold a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field. A .NET, C# and backend or full-stack development is essential, complemented by strong problem-solving skills, an agile mindset, and excellent communication. What You'll Get: • Competitive salary and benefits package., • Hybrid working options and support for professional development., • Join a dynamic, forward-thinking team in central London (1 day a week).