9 full stack developer jobs found in London

Robert Half has partnered with a market-leading Financial Services organisation to recruit a Full Stack Engineer for an initial 6 months. This is a hybrid role based in Central London, requiring three days per week in the office. The successful candidate will play a key role in delivering a business-critical application, working with modern technologies including Azure, React, Node.js and SQL while collaborating closely with both technical teams and business stakeholders. Key Responsibilities: Lead the development of an established Corporate Governance platform from prototype through to production. Design, develop and maintain scalable full-stack applications using Azure, React, Node.js and TypeScript. Build, optimise and maintain SQL Server and Azure SQL databases, ensuring performance, security and data integrity. Develop responsive Front End applications using React and TypeScript. Build and maintain Back End services using Node.js. Deploy and support applications...

Senior Full Stack Developer AI-Assisted Development Outside IR35 Contract / Central London Avanti Recruitment is working with a growing technology business looking for a Senior Full Stack Developer to help build a suite of modern web applications that are central to its future technology strategy. You 'll be working across React, TypeScript and Node.js, taking ownership of features from concept through to production in a fast-paced, collaborative engineering team. We 're looking for engineers who already use AI coding tools such as Claude Code, Cursor, GitHub Copilot or Codex as part of their everyday development workflow. This isn 't an AI engineering role, it 's about using AI to build great software more effectively. Requirements: Strong commercial experience with React, TypeScript and Node.js Experience building modern web applications or SaaS products Product-focused mindset with strong problem-solving skills Comfortable using...

Senior Full-Stack Developer - VR Contract, Outside IR35 London A technology company working in immersive streaming is looking for a senior full-stack contractor to build a new streaming application for Meta Quest, extending an existing headset application using a PWA and WebXR approach. The contract would be for an initial 6 months, with possible scope to extend. They are ideally looking for someone available to start ASAP. Requirements: Strong commercial TypeScript across the full stack React and Next.js on the frontend Node.js and REST APIs on the backend PostgreSQL, Docker and AWS Experience with WebXR, Meta Quest or PWAs is preferred, as is any background in video streaming or latency-sensitive applications.

Full Stack Developer (Outside IR35) Contract Length: 6 Months Location: London (Remote) Hours: 40 Hours per Week Start Date: ASAP Overview Our client, a leading organisation within the insurance sector, is seeking an experienced Full Stack Frontend Developer to support the delivery of modern digital platforms and customer-facing applications. This role will focus on building intuitive, scalable, and high-performance user interfaces that support key insurance services, including customer portals, policy management, underwriting workflows, and claims-related journeys. Working within a cross-functional product team, you'll collaborate closely with backend engineers, architects, UX designers, and business stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations...

Full Stack Developer (Outside IR35) Contract Length: 6 Months Location: London (Remote) Hours: 40 Hours per Week Start Date: ASAP Overview Our client, a leading organisation within the insurance sector, is seeking an experienced Full Stack Frontend Developer to support the delivery of modern digital platforms and customer-facing applications. This role will focus on building intuitive, scalable, and high-performance user interfaces that support key insurance services, including customer portals, policy management, underwriting workflows, and claims-related journeys. Working within a cross-functional product team, you'll collaborate closely with backend engineers, architects, UX designers, and business stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential...

We are now seeking a Technical BA with strong experience in JSON schema and an IT background. Some knowledge of insurance is beneficial but not essential. This role is for a Technical Business Analyst experienced in JSON schemas and APIs, with a solid IT background. Working outside IR35, the BA will focus on technical requirements, particularly JSON schema development and API integration, supporting various financial and insurance services projects. Some insurance knowledge is helpful, though not required, as the primary focus is technical proficiency in JSON and APIs. Key Responsibilities Develop and document JSON schemas. Collaborate with technical and business teams for API integrations. Provide technical insights and recommendations. Ensure alignment with IT and business needs in schema and API solutions. Required Skills/Experience Proven experience with JSON schema development and API integration. IT background with strong technical analysis...

Role: Programme Test Lead Rate: £500 p/d Outside IR35 Location: Fully remote Duration: 2 months We are seeking an experienced Programme Test Lead to oversee testing activities across a complex portfolio of technology initiatives. You will be responsible for defining and delivering programme-level test strategies, managing testing risks, coordinating multiple delivery teams, and ensuring high-quality releases across the software delivery lifecycle. Working closely with technology, product, and business stakeholders, you will play a critical role in ensuring delivery excellence and business confidence. Key Responsibilitie sDefine and implement the overall testing strategy, standards, and best practices .Lead, mentor, and develop a team of QA Engineers and Test Leads .Oversee test planning, estimation, execution, and reporting across multiple projects .Ensure appropriate test coverage through functional, regression, integration, performance, and automation...

Full Stack Engineer (LLM/AI) £450 per day | Outside IR35 | 3-6 Month Contract | Hybrid (London) - 2 days onsite | ASAP Start Our trusted EdTech partner, supporting over 600 million users across 100 countries, is looking for an experienced Full Stack Engineer to help deliver the next generation of AI-powered language learning and assessment products. You'll be a hands-on engineer with strong Python, React, JavaScript/TypeScript and AWS experience, developing scalable cloud-native applications and integrating AI capabilities into production systems. Recent experience developing Chat or Messaging applications within the Education or Learning sector is essential. Key Responsibilities: Develop and maintain scalable full-stack applications using Python, React and AWS. Contribute to technical architecture, solution design and engineering best practice. Build high-quality, secure and performant software through short delivery iterations. Collaborate with Product, Design, QA...

Full Stack Engineer (LLM/AI) £450 per day | Outside IR35 | 3-6 Month Contract | Hybrid (London) - 2 days onsite | ASAP Start Our trusted EdTech partner, supporting over 600 million users across 100 countries, is looking for an experienced Full Stack Engineer to help deliver the next generation of AI-powered language learning and assessment products. You 'll be a hands-on engineer with strong Python, React, JavaScript/TypeScript and AWS experience, developing scalable cloud-native applications and integrating AI capabilities into production systems. Recent experience developing Chat or Messaging applications within the Education or Learning sector is essential. Key Responsibilities: Develop and maintain scalable full-stack applications using Python, React and AWS. Contribute to technical architecture, solution design and engineering best practice. Build high-quality, secure and performant software through short delivery iterations. Collaborate...