full-stack developer jobs in London

Pleo in London is looking for a Senior Full Stack Data Analyst to join Growth Intelligence, the team powering GTM decisions with data and models.You’ll build end-to-end analytics solutions—retention models, growth analyses, activation funnels, and dashboards—that directly influence how we acquire, onboard, retain and grow our customer base.Collaborate...

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive terms.You will design and build scalable enterprise applications, deliver secure backend services in Java/Spring...

A pioneering clean energy company in London is seeking a Software Engineer to enhance their website and develop internal tools. The ideal candidate has a Bachelor's degree in Computer Science and at least 2 years of experience in web development, along with proficiency in React and Django. This role includes automated testing and collaboration with...

Wexler, based in London, is seeking an entrepreneurial full-stack engineer to architect, build and scale agentic systems for document analysis powered by an advanced fact extraction engine.As a Software Engineer, you will shape the technical architecture, work with the founders, and rapidly assume leadership responsibilities in a fast-growing startup with...

ARCA Consulting Ltd. is seeking a seasoned Full Stack .NET Developer to support a major digital programme. You will combine Microsoft backend development with React frontend work and hands-on Azure expertise to deliver scalable cloud solutions.Ideal candidates will have strong C#/.NET experience, Azure DevOps and CI/CD proficiency, and a solid grasp of...

QRT is a global quantitative and systematic investment manager, operating across all liquid asset classes. We are a data- and technology-driven organization applying scientific methods to investing.Our collaborative culture and focus on innovation enable us to solve complex challenges and deliver high-quality returns for our investors. The Spark Team builds...

Scale is seeking a Senior Full-Stack Software Engineer (Forward Deployed) in London to collaborate directly with public sector counterparts and rapidly build AI-powered applications. You will design, implement, and deploy production-grade software that combines AI models with robust front-end UIs and scalable back-end services.You’ll work with a...

Liberty Global is seeking a Lead Full Stack Engineer in London to join the AI Platform team. You will work directly with the VP Software Engineering to design and evolve platforms powering AI-driven experiences across our business.This hands-on leadership role involves shaping architecture, standards and production software that scales securely for millions...

Yext is hiring a Full Stack Software Engineer to build web and backend solutions for enterprise clients. You will work in a Scrum environment with one-week sprints, peer reviews, and end-to-end ownership from kickoff to delivery.You will move between frontend and backend technologies, write clean, tested code, and help evolve data workflows and tooling to...

Model ML is an AI workflow platform transforming how financial institutions automate client-ready processes. We are seeking a highly skilled Full-Stack Engineer with 5+ years of professional experience to join our growing team.You will design and build scalable web applications using React and Next.js, with Python backend services, and contribute to...

Enfint ищет опытного разработчика полного стека для автоматизации сетевых технологий и продуктов в рамках инфраструктуры. Вы будете вносить вклад на всех уровнях приложения, работать с RESTful API и...

QuantumLoopAI in London is seeking a skilled Full Stack Developer to join our engineering team. You will work across the entire application stack, shipping features end-to-end and making architectural decisions that improve NHS patient access.You will collaborate with product, clinical, and commercial teams to translate NHS needs into reliable software,...

Cuvva Limited is hiring a Full Stack Engineer to help build flexible car insurance products. You’ll work across frontend (React/TypeScript) and backend (Go/Node) with a product-led team, shaping ideas from discovery through production and delivering value to millions of users.We offer a four-day week, a hybrid setup with a London office visit a few times a...

55 Exec Search is recruiting a Senior Full Stack Software Engineer for a London-based AI startup. You will help build the production systems behind a next-generation authentication product, working across frontend and backend in a hybrid London office.You’ll design scalable backend services, APIs, and cloud-native systems on AWS, running Kubernetes...

EngineersOfAI is seeking a Senior Engineer who will work on developing solutions for our banking platform, collaborating with diverse teams. The role offers flexible working, primarily based in London but open to candidates across the UK.As a full-stack engineer, you will contribute to various initiatives, with no formal qualifications required, just a...

Expedia Group is hiring a Software Development Engineer II, Full-Stack, in the UK. You will build React-based UIs and backend capabilities, contribute to API design decisions, and own features from requirements through delivery with strong collaboration across product, backend, and platform teams.You will contribute to configurable experiences, improve data...

Build and own the web platforms behind Morgan’s Grocer — from the online storefront customers shop on to the internal systems that keep our stores and deliveries running. What you’ll work on The online grocery storefront and customer web experience APIs connecting our web, mobile, store, and delivery systems Internal tools for store operations and...

Select how often (in days) to receive an alert: Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures,...

**Job title:** Staff Full Stack Developer (TypeScript, React, Scala, AWS) **Job type:** Contract (Inside IR35) **Contract Length:** 6-12 months **Rate:** £600+ per day **Role Location:** Hybrid - London (1 day per week onsite). Candidates must be UK-based **The company** A large, well-known organisation with a high-traffic consumer web platform used...

We're looking for a Lead Full Stack Engineer to join us in LondonYou will join Liberty Global's AI Platform team in London, working directly with the VP Software Engineering to build and evolve the next generation platforms that power AI driven experiences across our business.This is a hands on technical leadership role for someone who enjoys solving complex...