10 full stack developer jobs found in London, greater london

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Required Skills & Experience Strong experience with Laravel (PHP), Linux, AWS, Vue.js, MySQL, and GIT workflows Solid understanding of full stack development, including Server Side logic, Front End integration, and data flow Experience working with APIs and Real Time data integrations Strong debugging, problem-solving, and production support skills Proven experience as a Senior Full Stack Developer or similar role in a production environment Experience delivering and supporting live systems where reliability and uptime are critical Demonstrable experience working with data driven or dynamic content systems Experience collaborating with creative, production, or multidisciplinary teams Nice to have skills Exposure to...

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Key Responsibilities Delivery focused development support Join the team on a freelance basis to provide additional senior level development capacity when required Take on more complex or time sensitive development tasks within existing systems, working within established patterns and architectures Deliver well scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architecture Live support & problem solving Provide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmatically Assist with troubleshooting production issues, identifying root causes, and implementing safe fixes under the direction of the permanent team Support QA...

Full Stack Developer - Contract Position - HIRING ASAP Location: London, 3 days in office per week & 2 days remote per week Start Date: ASAP Duration: 6-9 months (extension after) Daily Rate: £300 - £340 per day outside IR35 Key Responsibilities Delivery focused development support Join the team on a freelance basis to provide additional senior level development capacity when required Take on more complex or time sensitive development tasks within existing systems, working within established patterns and architectures Deliver well scoped features, integrations, and campaign builds without introducing unnecessary changes to core platform architecture Live support & problem solving Provide experienced development support during campaigns, helping diagnose and resolve issues quickly and pragmatically Assist with troubleshooting production issues, identifying root causes, and implementing safe fixes under the direction of the permanent team Support QA...

Senior Full Stack Developer (Contract) Outside IR35 | Remote | Up to £600/day Overview We're partnering with a specialist software consultancy delivering business-critical platforms across financial services and pensions. They're looking for a Senior Full Stack Developer who enjoys proper engineering - clean architecture, ownership of solutions, and working alongside experienced senior engineers and QA specialists. This is a hands-on delivery role (no line management, no ticket-factory environments) with meaningful technical influence across the full stack. What you'll be doing Designing and building end-to-end full-stack solutionsin a modern cloud environment Backend development using Python and C# Frontend development with TypeScript and React Working within Azure (Functions, Azure SQL, Service Bus, ADF) Contributing to architecture discussions, technical design, and code reviews Applying pragmatic AI-assisted/agentic engineering practices to improve delivery...

Senior Full Stack Developer - Outside IR35 - Contract - SC ideal We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evals, technical improvements, and UCD-driven product features. Must have: Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in Python and Typescript + React Full-stack developer Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS £600 per day outside IR35 Start date: 13/04/2026 End date: 30/10/2026...

🚀 Contract Full-Stack JavaScript Developer 📍 Location: 3 days per week onsite – Central London Office 📆 Duration: Initial 8 weeks + Extensions 💼 IR35 Status: Outside IR35 💰 Rate: £350p/d - £400p/d Opus is partnering with a design‑led digital agency to hire a Contract Full-Stack JavaScript Developer with a strong frontend bias. You’ll join a small, high‑calibre team focused on building slick, award‑winning digital products, taking products from 0–1 and to market . This is a hands‑on role for someone who enjoys clean UI, modern frontend tooling, and close collaboration with designers. They’re not looking for “super experienced developers, instead, smart, thoughtful engineers who ship quickly, communicate well, and bring ideas to the table. 🧠 What You’ll Be Working On Frontend‑heavy full‑stack feature development Building high‑quality, design‑led user interfaces Translating complex requirements into clean, scalable code Working...

Technical Lead (.Net/React) | Outside IR35 | Remote .Net | React | SQL Sever We're working with a consultancy that has just secured a new project and is looking to bring in an experienced Technical Lead/Full-Stack Developer to support delivery from the outset. This is a hands-on role with a blend of technical leadership and active development, ideal for someone who enjoys setting standards while still being deep in the code. The Role You'll play a key role in getting the project off the ground, owning initial technical and infrastructure setup, contributing to development, and providing light-touch leadership across the team. This is a delivery-focused environment where you'll take on more complex tickets while helping to drive engineering best practice. Key Responsibilities Lead initial technical and infrastructure setup to enable development Contribute heavily to hands-on coding (c.80% of the role) Pick up and deliver complex development tickets Conduct code...

Contract .Net Developer - Insurance claims system | £400 Per Day (Outside IR35) We're working with a leading specialist insurer driving a massive digital transformation on this exciting opportunity. This is a high-impact role where you will help overhaul a modern claims automation platform using the latest .NET ecosystems. You will be at the core of a major integration programme, architecting scalable microservices and robust APIs that handle critical insurance workflows at scale. The Role Design and build high-performance backend solutions using .NET Core and .NET 5+ for a flagship claims platform. Architect and deploy scalable microservices that integrate seamlessly across a complex multi-system landscape. Take full ownership of the development lifecycle, from designing secure APIs to implementing rigorous unit testing. Collaborative with cross-functional delivery teams to ensure backend solutions meet high-availability and performance standards. Contribute to...

.NET Developer, CMS, Sitecore, Optimizely, Umbraco - Remote (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a leading digital agency powerhouse, delivering transformative online experiences for some of the most recognised brands across Europe. Renowned for blending creativity with cutting-edge technology, they have built an unrivalled reputation for crafting innovative, scalable .NET-driven digital platforms that engage millions of users daily. As part of their continued growth and a surge in exciting Greenfield digital transformation projects, they are looking to recruit a talented .NET Developer to join their award-winning development team. This is an opportunity to work in a fast-paced agency environment where no two projects are the same-ranging from enterprise CMS-driven websites to complex, high-traffic digital ecosystems. Working in...

Software Engineer (Java Focus) | up to £650 Outside IR35 | Active SC Clearance Required | 1 day a week on site in London Key Responsibilities Develop end-to-end web applications using Java 21/Kotlin (Spring Boot 3) and modern frontends utilising TypeScript and Nunjucks templates. Build and consume secure RESTful APIs and complex Middleware solutions that integrate seamlessly with distributed government systems. Architect asynchronous messaging patterns , utilising message brokers to handle high-volume, event-driven data flows and system-to-system communication. Design and maintain polyglot persistence layers , including SQL (PostgreSQL) and NoSQL databases, ensuring optimal schema design and data integrity. Own the full testing life cycle by adopting a "Devs-as-Testers" philosophy, writing comprehensive unit, integration, and end-to-end tests for every feature delivered. Manage Infrastructure as Code (IaC) using Terraform and Scripting to provision and...