1 to 25 of 169 Permanent Senior Full-Stack Engineer Jobs in London

Select how often (in days) to receive an alert: Senior Software Engineer, Full-Stack Applications - Ratings Technology (London) Requisition ID: 50676 Business Unit: Fitch Group Category: Information Technology Location: London, GB Date Posted: Sep 18, 2026 As one of the world … Solutions. With dual headquarters in London and New York, Fitch Group is owned by Hearst. Senior Software Engineer, Full-Stack Applications – Ratings Technology Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team ...

Fantastic opportunity to join a world class business. Send your CV for more information Job Title: Senior Full-Stack Engineer Location: UK-London Overview: The team builds data-driven products that directly drive revenue growth by transforming how our commercial and customer … account management, and customer success teams use to close more deals, retain customers, and deliver better customer experiences. As Senior Full-Stack Engineer, you'll co-lead the technical architecture and development of our entire platform ecosystem: web portals, automated document generation ...

Solutions. With dual headquarters in London and New York, Fitch Group is owned by Hearst. Senior Software Engineer, Full-Stack Applications – Ratings Technology Fitch Ratings is seeking a Senior Software Engineer to join our global Ratings Technology team … innovation and work-life harmony We'll Count on You To: Deliver technical excellence and build game-changing solutions – Design robust, scalable full-stack applications using Java/Springboot, C#/.NET, Python and REACT , drive architectural decisions, establish technical standards, and lead exploration ...

Senior Software Engineer (Full-Stack) - Home Page and Merchandising Platform London, United Kingdom - Deliveroo Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates … systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Senior Software Engineer (Full Stack) - Home Page and Merchandising Platform Join us in our mission to transform the way people shop and eat, where impact ...

About You We're looking for a Senior Full-stack Engineer who can deliver new software solutions to users daily, thrives on problem-solving challenges, and is passionate about solving real-world problems. If you love a fast-paced environment where your … company that’s changing lives through technology, this is the role for you. What We're Looking For Extensive industry experience in full-stack web development. Strong knowledge of modern frameworks and tools, with a passion for clean, maintainable code. Ability to lead by example, mentor ...

Senior Full Stack Engineer page is loaded## Senior Full Stack Engineerlocations: GB.Epsom.Woodcote Grove: GB.Whitehaven.Rutherford House: GB.London.Nova North: GB.Bristol.The Hub: GB.Manchester.Piccadillytime type: Full timeposted on: Posted Yesterdayjob requisition id: R-165614### **Job Description**## OverviewAt … helping transform how complex nuclear infrastructure is designed, constructed, operated, maintained and decommissioned.We're looking for a Senior Full Stack Engineer to help shape and develop a suite of extended reality (XR) products that connect field teams with project information, digital work ...

Platform based on the latest technology and architecture. You will be working alongside AWS and learning from the best. As a Senior Engineer you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will … assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments.Role Responsibilities:Be able to drive engineering improvements whilst communicating principles behind your work ...

tuning, reliability Work directly with the CITO, VP of Engineering, and Product on features, strategy, and roadmap CORE COMPETENCIES Proficient in modern full-stack development: TypeScript, React, Node.js, Python, JavaScript Experience with Google Cloud or other cloud infrastructure: provisioning, scaling, cost management Can design scalable abstractions … than wait to be handed one You switch comfortably between leading and executing, whatever the moment needs IDEAL BACKGROUND Track record shipping full-stack products in a small, high-velocity, early-stage environment Comfortable owning full systems: databases, APIs, UI, and infrastructure Real hands ...

magical time to join. Who we're looking for We're looking for a talented, high-quality full-stack engineer to join our team. We care about how well you build software, how you work within a team, and how fast you learn. Runna … over a partial match even when they'd do the job well. If you're a strong full-stack engineer keen to learn, we'd rather hear from you than not, and we're happy to talk about whether a different role or level ...

Senior Full-Stack Software Engineer, (Forward Deployed), GPS London, UK Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom … quality training data for custom LLMs Upskilling and advisory services to spread the impact of AI As a Full Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full‐stack, AI applications ...

value marketing work and making the wider CMS operation more scalable and manageable. As a Senior Full Stack Software Engineer, you’ll support the Principal Engineer … exploring proof of concepts (POCs), rapid prototyping and deep diving into agentic and workflow opportunities. You’ll bring proven senior full-stack experience across modern web technologies, cloud infrastructure and APIs, while helping shape practical ways to use AI across the platform. What ...

Help shape the future of cancer care. Welcome to Whole Human Cancer Care. Role Purpose We are hiring a Senior Full-Stack Engineer to build Perci's platform, and at the same time help us shift how that platform gets built. … Working out what that means for us is a significant part of this role. You would be joining a team doing recognisable full-stack work on a live product, with patients using it and delivery dates to meet. Part of the role is helping us move ...

Senior Java Full Stack Engineer Salary: £60,000 - £70,000 plus benefits, perks, and healthcare options! Job type: Permanent | Hybrid (1-2 days per week) | Occasional travel to client sites Security Clearance: Must be SC eligible Base locations: London, Bristol, Manchester … Glasgow Overview We're looking for a Senior Java Full Stack Engineer with strong backend and frontend development experience, alongside proven experience leading teams, managing stakeholders and working directly with clients You'll play a key role in delivering innovative digital solutions ...

Lyst is seeking a Senior Full-stack Engineer to join the Shop Experience squad in our Product Development tribe. You will design and build customer-facing features across the full stack using React, TypeScript, and Python (Django), influencing ...

CoinDesk is seeking a Senior Full-Stack Engineer to join the Media Engineering team. You will own complex features across web, mobile apps, and services, with a focus on performance, reliability, and security. You will work with Next.js, React, Node.js, and TypeScript ...

Senior Full Stack Software Engineer £100,000–£110,000 + benefits UK-based | Hybrid – London 2 days per week Certus Recruitment is working with an ambitious UK fintech building a regulated stablecoin and digital payments platform. We are looking for a Senior Software Engineer to join at an early stage and help build the application, financial infrastructure and settlement technology behind the platform. This is a highly hands-on role, working closely with the Head of Engineering across back-end services, core systems and customer-facing applications. ...

Mowt is seeking a senior engineer to help build the next generation of our platform. You’ll own end-to-end development across Laravel, MySQL, React web, and React Native mobile, handling payment data at scale. You'll shape architecture, optimize data pipelines on AWS Lambda ...

ICAP Group Services Ltd in London seeks a Senior Engineer to design, develop and deploy software across production with a focus on modern architecture and high performance. You will mentor juniors and collaborate with AWS partners to deliver a scalable Fusion Platform. You will own design ...

Praktika.ai seeks a Senior Full-Stack Engineer to own every web-facing surface — onboarding flows, landing pages, customer portals, web app and internal tools. This full-cycle role lets you shape product direction, run experiments, ship features ...

Hesta Health is hiring a Senior Full-Stack Engineer to own and evolve the core platform as we iterate toward product-market fit. You will work with founders, product, and clinical teams to ship features, strengthen foundations for scalable care pathways ...

OpenRent Ltd. is seeking a Senior Full-stack Engineer to design and deliver scalable software solutions for the rental market. You will turn real-world problems into intuitive features used by millions. Your role will involve collaborating with various teams and mentoring ...

Perci Health, the UK’s largest virtual cancer clinic, seeks a Senior Full-Stack Engineer to advance a live platform used by patients. You will help shift how the platform is built, embracing AI-assisted coding, reuse over rewrite, and a strong … focus on safety, testing, and regulatory compliance. This is a remote-first, high-impact engineering role. You will join a small, senior team reporting to the CTO, contributing to end‐to‐end delivery across data models, APIs, and frontend work, while #J-18808-Ljbffr ...

Senior Fullstack Engineer | React, TypeScript, C#, Python | Fully Remote (UK) | Up to £85,000 SC eligibility preferred, not essential No sponsorship available What you'll be building My client is building a data platform that turns live global events into risk intelligence. You'll join … summarisation, search and discovery Owning what you build, from first design through to production What they're looking for Commercial experience as a senior fullstack engineer in production environments React and TypeScript Backend experience in C# and/or Python Cloud experience. Azure is ideal ...

Ebury is building an AI-powered financial crime investigation platform. We seek a Senior Full-Stack Engineer to scale the system from React frontend to Python FastAPI backend and integrate LangGraph-based AI workflows. You will mentor teammates, shape architectural direction ...

Robinhood Markets, Inc. in London is seeking a Senior Full-Stack Software Engineer to own end-to-end delivery across the Prime platform for institutional clients. You will lead feature development from backend services to frontend and backoffice surfaces, mentoring peers ...