1 to 25 of 176 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 ...

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 ...

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 ...

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 ...

continuing to grow our engineering capability to support this ambition. We are looking for a Full-Stack Senior Software Engineer to join our cross-functional Biosamples squad . You’ll help design, build and run the systems that support how we manage … tech-stack includes Typescript/Node.js, PostgreSQL, Terraform (IaC), running in Azure (Kubernetes and Azure AppService) . Our engineers are full-stack , handling frontend, backend and infrastructure in a total ownership model - squads build and run it. If you are passionate about your work ...

Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges and achieve meaningful impact for citizens. At Scale, we’re not just building … weeks per month in client offices for feedback and delivery. Architect production‐grade applications that integrate AI models with full-stack frameworks, managing everything from interactive UIs to backend APIs and systems. Deploy and manage infrastructure within cloud environments, ensuring the highest levels of system integrity ...

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 ...

PlannerPal is seeking a Senior Full-Stack Engineer to bridge application development with a strong background in DevOps and enterprise-level engineering. You will design and build key features, develop CI/CD pipelines, and deploy AI-enabled services on AWS. ...

everyone, everywhere. More about our mission and what we offer. Job DescriptionAbout the role: Join us as a Senior Full-Stack Engineer in our critical Account Integrity team. This is a high-impact engineering role with a strong product focus, dedicated … ownership of projects focused on: Building and refining critical controls to protect Wise customers accounts from account takeovers. Working in a full-stack capacity - with Product & Design to design convenient, customer-facing controls & working with data scientists and data analysts to improve our detection capabilitiesYou will ...

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 ...

Engineer85,000 to 105,000PermanentRemote, with occasional London office visitsThe opportunityOur client is hiring a Senior Full Stack Engineer to take ownership of building the next generation of customer-facing software in the energy market. The business operates … functionA growing business operating in a complex and important energy marketSummaryThis is an excellent opportunity for a Senior Full Stack Engineer who wants meaningful ownership rather than simply maintaining an established platform. You will lead the development of customer-facing software, work ...

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 ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking LondonThis is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript … expertise, engineering guidance, and hands-on delivery support across frontend and backend (full stack) engineering initiatives. Key focus:-Full-Stack Engineering Frontend Engineering (ReactJS) Backend Engineering (.NET/C#)Engineering Standards & Software Quality DevSecOps & SDLC CollaborationTechnical Mentoring & Engineering EnablementRequired ExperienceSignificant hands ...

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 ...

Future Health in London is hiring a Full-Stack Senior Software Engineer to join the Biosamples squad. You’ll design, build and run systems that manage biosamples from collection through processing with our laboratory partners. The role centers on an internal ...

Senior Product Engineer (AI & Full Stack) Location: Central London (Hybrid - 2-3 days per week) Salary: £65,000 - £75,000 + Bonus + Excellent Benefits Job Type: Permanent Please note: Applicants must have the full right to work … solving complex technical problems, building greenfield applications and working at the intersection of AI, product development and enterprise software. The Role As a Senior Product Engineer , you'll be responsible for taking product ideas from initial concept through to proof of concept, MVP and production. Working ...