full stack developer jobs in London

Healthtech-1 in London (Stratford) is seeking a product-minded full stack senior or staff software engineer who wants to move with extreme urgency and have complete autonomy. You'll help build and scale our product, working across teams and directly with our customers.You are operating at a senior or lead level with 7+ years of experience, you own ambiguous...

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, and integrate AI capabilities that improve clinical operations.You will be a pragmatic builder who...

Contract: 12 monthsLocation: LondonWorking Model: Hybrid - 2 days onsite, 3 days remoteRate: £500 inside IR35 per dayClearance: UK Security Check (SC) clearance requiredThe OpportunityJava Full Stack Engineer - SC ClearedThe OpportunityWe're seeking an experienced Java Full Stack Software Engineer to join a software engineering team delivering technology...

Starling Bank in London is seeking a Full Stack Engineer (ML Ops) to join our data-focused engineering team. You will work across backend Java services and modern front-end interfaces using React/Redux, building tools that power ML-driven decisions in production.This role offers hybrid working with offices in London, and a chance to influence fintech...

iProov is seeking an experienced Full Stack Engineer for Web-Innovation in London. You will design APIs, adapters and user-facing flows that connect iProov’s verification services with external systems, balancing security and usability in a hybrid work model.You will explore third-party platforms, implement integration patterns, and collaborate across...

AKA is a global entertainment agency seeking a hands-on full-stack developer with a back-end bias to join the Digital department. You’ll ship websites, web apps and emails, collaborate with designers, and help maintain cloud Linux infrastructure.The role offers growth towards seniority, opportunities to work across campaigns, and a hybrid working model...

Devonshire Hayes Recruitment is seeking an experienced Full Stack Developer for a greenfield trading platform. You will lead on responsive, real-time trading interfaces using Next.js and React, while contributing to backend services, APIs and integrations.The role is a 12-month fixed-term contract with 3 days onsite per week, in a fast-paced Agile...

AKA UK приглашает опытного PHP-разработчика в отдел Digital. Ваша работа охватывает полный стек веб-приложений, с уклоном в back-end, поддержку Linux-инфраструктуры и внедрение CI/CD.Требуются знания PHP 8.x, WordPress,...

Futureheads Recruitment Ltd is seeking a Staff Full Stack Data Analyst to join a mature Data & AI team. You will partner with senior commercial leaders to drive decision-making across customer acquisition, retention, growth, and customer success, while owning analytics initiatives.This 9-12 month contract offers remote or hybrid work from the UK and an...

Unibuddy is seeking a mid-level software engineer to work across the full stack on the Unibuddy platform, including web, native, and backend components. You will contribute to Chat, Assistant, and Intelligence products to help students and universities engage effectively.You will work with a modern stack (NestJS, Typescript, Python, GraphQL, MongoDB, AWS)...

Ryan is seeking an early-career Full Stack AI Engineer to build AI-enabled full-stack software. You will join a cross-functional team, shaping problems into practical AI-driven solutions and delivering value through reliable code.Ideal candidates have strong software fundamentals, rapid learning, and the ability to explain design decisions. You will work in...

A leading HealthTech company in London seeks a Senior Full Stack Engineer to develop scalable, cloud-native products. The ideal candidate has over 5 years of experience with React, Typescript, Node.js, and AWS, working in data-sensitive environments. The role involves mentoring engineers and ensuring high engineering standards. Offers a salary up to £90k...

The Gym Group is seeking a Lead Full-Stack Developer to drive architecture and delivery across React/Next.js and .NET Core in a hybrid setup based in London. You will mentor engineers, shape technical direction, and collaborate with product, design, architecture, and partners to deliver high-quality digital experiences.You will design and govern AI-assisted...

Faculty AI is seeking a Full Stack Software Engineer to collaborate with cross-functional teams and build AI-powered systems for global clients. Take ownership of the full stack from frontend to backend, turning ML outputs into production-ready solutions that scale.You will lead cross-functional teams with data scientists and product managers, design robust...

Octopus Energy Group is seeking a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team, building the systems that power our electric car leasing platform. Our tech stack includes Python with GraphQL, React with Next.js, PostgreSQL and NoSQL, deployed on AWS.You will work within a cross-functional team, build APIs,...

Sphere is seeking a Senior Full Stack Engineer to own and build out new product lines (input tax, withholding tax, e-invoicing, tariffs) and critical platform components. You will contribute to scaling the AI-native compliance platform and drive ARR growth with end-to-end ownership.You will ship mission-critical features, manage a dedicated component, and...

Senior Full-Stack Software Engineer, (Forward Deployed), GPSLondon, UKScale’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 AI applications that will impact millions of citizensGenerating high-quality training data for...

Preply is hiring a Senior II Full Stack Engineer to drive backend systems in Python/Django and frontend in React/Typescript. You will lead complex initiatives, mentor engineers, and partner with product, data, and UX to deliver measurable impact at scale.This is a remote, internationally oriented role with opportunities across 175 countries. You’ll...

A rapidly growing payments technology company in London is seeking a Senior Full Stack .NET Engineer to enhance their team. This pivotal role involves designing cloud-native applications and integrations, with strong focus on .NET Core, Microsoft Azure, and SQL. The ideal candidate has 5+ years of experience and is excited to influence product strategy in a...

Our consumer business client is seeking a Senior Applications Developer (10+ years) to build and maintain web solutions using Adobe Experience Manager (AEM)Join a development team delivering scalable digital solutions within a well-established consumer-oriented environment. This role focuses on building, customizing, and integrating applications using Adobe...