full stack nodejs developer jobs in London

Role: As a Full Stack Software Engineer, you'll enjoy delivering mission critical solutions to National Security customers. This isn't developing solutions that complete financial transactions faster, you'll develop cutting edge product that protects people, platforms, missions and information against constantly changing threats. You're a Full Stack Software...

Harnham - Data & Analytics Recruitment seeks a Full Stack AI Engineer on a contract basis. Must have SC Clearance, work fully remote in the UK, and operate outside IR35. Immediate start with day-rate £500–£550.You will design and develop full-stack AI apps, build interfaces and APIs, deploy LLM-powered solutions, and manage data stores. Experience with...

Full Stack Software EngineerAbout iProoviProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI...

HCLTech is seeking a Senior Java Engineer to strengthen its RMS Trade Processing platform. You will design and deliver scalable full-stack solutions using Java, Spring Boot, Angular, and React, contributing across backend and frontend components in a business-critical system.The role requires 8+ years of enterprise software experience, expertise in RESTful...

Harnham in London is hiring for an AI-first backend role, blending Java or Kotlin on the Spring stack with modern AI-powered workflows. The role involves contributing across the full stack and collaborating in agile squads to deliver high-quality products.You will use Claude and N8N to automate workflows, work with APIs, CI/CD, AWS, Docker and Kubernetes,...

Accenture is seeking a Full Stack LLM Development Associate Manager - Anthropic/Claude to design and deploy Claude‑powered web apps, APIs and agentic workflows. You will work across strategy and engineering teams to deliver scalable AI solutions, with emphasis on tool use, context management and secure data integration.You will apply Anthropic SDKs and...

McGregor Boyall is recruiting a Senior Full Stack Engineer for a leading financial technology client in London. You will work on a greenfield trading platform, using TypeScript/React with AWS, shaping architecture and scalable solutions for global markets.You will own end-to-end development, mentor juniors, and collaborate with AWS specialists and architects...

Oho Group in London is seeking a Python Full Stack Product Engineer to help shape and develop an exciting product using Python, TypeScript and React. You will join a small, talented team and have the chance to drive AI-powered features from concept to production.We want a product-minded engineer with at least 2 years of experience, who thrives in a startup...

Role: Lead Full-Stack DeveloperLocation: Hybrid - 3 days per week in Clapham JunctionWho we are...We're not like any other gym company; we are The Gym Group, a place where you can #BeYouWithUs and perform to your absolute best. We are successful; by membership we're the 2nd largest gym business in the UK and the 4th largest in Europe. We hire people with...

ClearScore, the UK's leading credit score and report app, seeks a Senior Full Stack Data Scientist to own data science and ML across the Global Targeting initiative. You will collaborate with product and analytics teams to influence user experiences and business decisions, driving real-time insights and production-ready solutions.The role emphasises a strong...

White Swan Data is seeking a skilled Full Stack Engineer in London to join a cross-functional team. You will work across UI development, backend microservices, and data platforms, contributing to a cloud-first architecture using GCP, BigQuery, and PostgreSQL.The role emphasizes ownership, collaboration with stakeholders, and delivering reliable systems from...

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. We’re growing extremely fast! In November 2023 we...

Quantum is seeking a Senior Full Stack Engineer to grow our Technology team in Greater London. You will help shape and scale our platform, delivering high-quality development across frontend and backend systems while mentoring teammates and driving continuous improvement.You will work across Next.js/React-based frontends and Node.js/Express backends,...

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.The role offers remote-first work within the UK and close collaboration with founders during a defining...

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...

Vincere is seeking a DV Cleared Full Stack Software Developer to join a leading technology consultancy in London. The role is hybrid, with three days onsite, delivering secure, cloud-based knowledge platform solutions.You will work across the stack using JavaScript, React and Node.js, with AWS-based cloud delivery as a focus. You will collaborate with...

Epic Games is seeking a Web Engineer Intern to join the Tools & Portals team within Epic Online Services. You will gain hands-on experience with modern web development across the full stack, including frontend and backend work, while learning cloud infrastructure and AI-assisted tooling.This role offers exposure to React, Next.js, TypeScript, Node.js, and...

Sharp End Partnership, Ltd. is hiring a mid-level Full-Stack Developer to join the studio’s engineering team. You’ll split time between frontend and backend work, turning high-fidelity concepts into real products across web and mobile platforms. You’ll ensure quality, maintainability, and design alignment as projects scale.You’ll build features,...

Join a high-performing engineering team building the next generation of workflow automation platforms within a global investment banking environment. This team is focused on transforming complex, manual post-trade processes into intelligent, automated workflows. By combining modern software engineering, workflow orchestration and AI-powered document...

A leading recruitment agency is looking for a Full Stack Developer to join a global law firm's Engineering team. The ideal candidate will have strong skills in HTML5, CSS3, and RESTful APIs, and will thrive in an Agile environment. Key responsibilities include building scalable solutions and collaborating with UX designers. This full-time position offers an...