1,671,180+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Full Stack Engineer (React/.NET) | AI Shipping

The Signal Group in Greater London is seeking a Senior Full Stack Engineer to join our expanding engineering team. The ideal candidate will have extensive experience in React, C#, and Azure, alongside a strong understanding of Agile methodologies. This hybrid work role offers the opportunity to work closely w ...

Full Stack Engineer AI for Industrial Ops (Equity)

Tenth Revolution Group is seeking a Full Stack Engineer to join their team in London. This role offers a unique opportunity to work at the intersection of AI and real-world industrial applications. You will be responsible for delivering AI-driven software solutions that have tangible impacts on operational si ...

AI Native Full Stack Tech Lead — Health Tech

Aeon, based in Greater London, seeks a hands-on Technical Lead to steer a dynamic engineering team. You will own the technical architecture for our health platform, drive AI-native development, and mentor newcomers. This position emphasizes a startup instinct and leadership in shaping our software. Joi ...

Full Stack Software Engineer – Typescript, React, Node, Go

Global software and engineering technology company is looking to expand its software engineering team in Cambridge. You will be working on a range of new development projects for a significant public facing web/cloud platform that is used extensively across the globe by the engineering industries a ...

Full Stack Engineer for Mission‑Driven Cancer Research

Cancer Research is seeking a Full Stack Software Engineer to enhance their digital products. This role involves developing software packages that adhere to high standards while collaborating with various teams within the organisation. You will work on groundbreaking initiatives related to cancer resear ...

Full Stack AI Engineer: Build Production AI Apps

Harnham, located in Greater London, is seeking a talented software engineer to design and maintain AI-enabled applications. The role demands strong programming skills in languages like Java and Python, as well as hands-on DevOps expertise with CI/CD. Ideal candidates will have experience building produ ...

Product Engineer – Full‑Stack (React/Python) with Equity

Jack & Jill is seeking a Product Engineer in London to join a high-growth startup focused on creating innovative solutions for enterprise software deployment. The role involves designing intuitive user experiences, direct user engagement, and owning the entire lifecycle of product features. Ideal candidates will ...

Senior Full Stack Engineer (React/.NET) | AI Shipping

Signal in Greater London is looking for a Senior Full Stack Engineer to enhance its engineering team. The role involves developing high-quality digital solutions that integrate deeply with shipping and AI-driven technologies. The ideal candidate has extensive experience in React, C#, and web applicatio ...

Full Stack Engineer (Python/JS) — High Growth FinTech

Oho Group is searching for a Full-Stack Software Engineer with software engineering experience to build customer-facing features. The ideal candidate will have strong coding skills in Python, TypeScript, or JavaScript and a passion for high-quality products. This role offers an opportunity to grow with ...

Full Stack Engineer: Build AI‑Reliable Legal Data

Jack & Jill is hiring a Software Engineer in Greater London to solve complex technical problems in the legaltech sector. You will lead the development using Python, Django, and TypeScript within a high-trust, elite team dedicated to delivering reliable legal AI solutions. The ideal candidate will posse ...

Full Stack Product Engineer — AI Powered, Remote First

The Flex is seeking a Full‑Stack Product Engineer in Leeds, UK, to build innovative solutions that enhance the modern renting experience. You’ll take ideas from concept to production, automate workflows, and develop operational tools. The ideal candidate has strong full-stack development experience, pr ...

Hybrid Full Stack AI Engineer for Carbon Intelligence

Industrial and Financial Systems is hiring for a role focused on building scalable AI solutions to help industrial organizations reduce their environmental impact. Responsibilities include designing APIs and services, ensuring code quality, and facilitating DevOps activities. The ideal candidate will b ...

Full Stack AI UI/UX Engineer | Equity Options

A leading AI startup in Greater London is seeking a Full-Stack Engineer (Front-End Leaning) to innovate user interfaces for AI-assisted legal work. You will contribute to the design and development of high-performance tools, working closely with AI experts. The ideal candidate has over 5 years experience in web ...

Full Stack PHP Engineer — Build Customer Facing Features

RELX is seeking a collaborative developer to work on customer-facing features within a modern technology stack in Cardiff, UK. You will contribute to meaningful products and enhance your technical skills while working in an Agile environment. The ideal candidate has experience with PHP frameworks and A ...

SC Cleared Full Stack Engineer: Azure, Node/React

SR2 is looking for a passionate full-stack software engineer to join an agile delivery team on a long-term rolling contract. You will be responsible for developing secure digital services while contributing to the Azure-based platform. Ideal candidates will have strong expertise in Node, TypeScript, an ...

Remote Full Stack Innovator for Privacy First Analytics

Matomo is seeking a Full Stack Engineer to join its remote team in the UK. The role involves owning end-to-end innovation work, designing and delivering new features across backend and frontend technologies. With a focus on privacy-first analytics, the position will contribute to the development of impactful ...

Full Stack Engineer — AI Powered Audio Platform (Remote)

The Consulting Solutions is seeking a web developer to build and evolve features for the Spotify for Authors platform. You will work with a React/TypeScript frontend and Java backend while utilizing AI-assisted development tools. This role offers flexibility to work from home or the office, with a focu ...

Senior Full Stack Engineer – AI/Cloud & APIs (Hybrid)

Ventula Consulting in Greater London is seeking a Full Stack Developer for an initial 6-month contract role. You will work on both front and back-end applications, delivering features in alignment with their digital roadmap. The position offers a daily rate of £575 and follows a hybrid working structure, requ ...

Senior Full Stack Engineer: Build Scalable, Impactful Apps

Zinc is expanding its engineering team in London with a Senior Full Stack Engineer role. This position focuses on shaping the technical direction, building features, and influencing system architecture, all while ensuring a high-quality product for customers. Key responsibilities include designing scal ...

Senior Full Stack Engineer: AI Growth & Stock Options

Be-IT is hiring multiple Senior Full Stack Engineers for a Series A Scale Up in Central London. This role offers the chance to work closely with product and contribute to meaningful projects using modern tech stacks, including React and TypeScript. The ideal candidate will thrive in a startup environme ...

Senior Full Stack Engineer: Build Scalable APIs & Services

Causaly, located in Greater London, is looking for a Senior Fullstack Engineer to join their team. This position involves designing and building scalable, reliable web applications, and collaborating with product and research teams to develop new features. The ideal candidate will have a Bachelor's deg ...

Senior Python Full Stack Dev (Flask) | AWS | Hybrid

Jackson Hogg is supporting a client seeking a Senior Python Full Stack Developer in Newcastle upon Tyne. This hybrid role focuses on web application development with a strong emphasis on utilizing Python Flask and Jinja 2. Candidates should have experience in leading complex web applications and deploying softwa ...

Senior Full Stack .NET Engineer – Malta (Relocation Covered)

A technology consulting firm is seeking a Custom Applications Senior Analyst Programmer to join their Consultancy Services team. This is a full-time role based in Malta with professional development opportunities and relocation support provided. Ideal candidates will have 5+ years of experience with the Microsof ...

Full Stack Software Engineer Build Scalable SaaS & APIs

PTC Inc. is seeking a Full Stack Software Engineer in Cambridge, UK, to design and build high-quality scalable software solutions. The ideal candidate will have a minimum of 3 years in software development and experience with TypeScript, Node.js, and Angular. You’ll work closely with cross-functional teams to ...

Senior Full Stack PHP/Symfony Engineer (Remote UK)

Full Stack Developer (PHP / React / Typescript / Symfony) My client is hiring a Full Stack Developer to join their fully remote UK team, building and scaling a high-traffic platform. You must have full rights to work in the UK No sponsorship is offered T ...

Full Stack AI Engineer – Legal Tech, London, Equity

PassFort is seeking a Full Stack Software Engineer to help build and scale their AI-driven legal systems in London. You will work closely with the founding team to architect and develop key features, while contributing to a vibrant startup culture. The role requires strong software engineering skills, ...

Full Stack Software Engineer Remote First, Growth & Impact

A growing technology company in the UK is seeking a Mid-Level Full Stack Software Engineer to help build an advanced resource planning platform. The role involves building and maintaining features across front-end and back-end systems, collaborating closely with product teams, and focusing on high-quality softwa ...

Senior Full Stack Engineer: React, Python, Azure & AI

ClearRoute is seeking a Senior Full-Stack Developer in Greater London to design and maintain scalable web applications. The candidate should have extensive experience with React and Python, alongside proven Azure deployment skills. Responsibilities include integrating AI-driven components and ensuring applicatio ...

Full Stack Web Engineer: PHP + Modern Frontend & APIs

Experience and skills we need You will have hands‑on experience with HTML 5, CSS and CSS precompilers, JavaScript & TypeScript and other modern web development core technologies. You will have worked with PHP 8 & PHP Frameworks such as Symfony, Laravel, CakePHP or Slim. It would be desirable for ...

Senior Full Stack Engineer – Enterprise AI Systems, Equity

A cutting-edge technology company based in the UK is seeking a Senior / Lead Fullstack Engineer to create innovative systems within global enterprises. In this role, you will be designing production-grade systems that handle complex, unstructured data, while taking full ownership of your projects. If you thrive ...

Technical Solution Architect — Cloud & Full Stack Lead London

Technical Solution Architect – Capgi London, United Kingdom Posted 12 months ago Tech Stack JavaScript Angular React Java Python TypeScript AWS Your Role: Lead and manage so ...

Full Stack JS Engineer Learning Budget & Flexible Hybrid

A leading education technology company is looking for a Software Engineer to enhance user experience and manage technical SEO projects. You'll join a squad dedicated to developing high-quality web applications using JavaScript, React, Next.js, and Node.js. The role offers a competitive salary of £60,000 along wi ...

AI Driven Full Stack Engineer for Product & Growth

GetGround is seeking a Full Stack Engineer to join their cross-functional teams in London. This role involves building user-facing products using technologies like React, Remix, and Golang. Successful candidates will work in an AI-driven environment, collaborating closely with product and design teams to deli ...

Full Stack Engineer (Kotlin and/or Python) – VP

Full Stack Engineer (Kotlin and/or Python) – VP Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

Staff Full Stack Engineer: AI Driven Retail Platform

algo1, a VC-backed stealth-mode company based in Greater London, is seeking a Staff Full Stack Engineer. This critical role combines Product, ML, and Engineering to revolutionize the retail stack by designing AI-driven solutions for in-store experiences. Qualified candidates will bring 8+ years of experience, ex ...

Founding Full Stack/Platform Engineer — AI SaaS, Equity

A tech startup is seeking a Full-Stack/Platform Engineer to be a foundational hire in developing an AI-native platform. Responsibilities include owning the technical lifecycle, designing production SaaS solutions, and scaling AWS infrastructure. The ideal candidate has 7+ years of experience with strong skills i ...

Full Stack Engineer (£75k £100k + Equity) at Aisy.ai

Job Title: Full Stack Engineer Salary: £75k–£100k + Equity Company Description: Aisy.ai - Seed-funded AI-native cybersecurity startup Job Description: You will join as a founding engineer building an AI engine that prioritizes cybersecurity threats th ...

Full Stack Engineer (.NET/Java) Cloud & API Innovator

SKY is seeking a cloud services developer to join their Content Technology and Innovation team in Greater London. In this role, you will collaborate on building and enhancing Cloud-based applications while supporting production services. The ideal candidate should have extensive knowledge in .NET (C#) and Jav ...

Full Stack Engineer — Build, Own & Scale with AWS

Requirements You have a few years' experience with building web apps having designed and implemented features from start to finish (ideally full-stack, using Typescript and AWS) ,You focus on having a high impact. You've spearheaded the engineering of critical systems before, working ...

Kotlin Full Stack Engineer: AI Tooling & Scaled Platforms

Salt Digital Recruitment is looking for a Full Stack Engineer in Greater London to help build secure and high-performance products. You will work across Kotlin backend services and React/TypeScript frontends, contributing to modern CI/CD pipelines and AI tools. The ideal candidate has strong skills in ...

Full Stack Engineer (London) Python, AWS, Vue/React

A leading tech recruitment agency is offering a Full Stack Developer Opportunity in London. The successful candidate will design and implement services in Python and collaborate on infrastructure maintenance in a dynamic, agile team. They must have at least 4 years of experience and the right to work in the UK. ...

Senior Full Stack Engineer — Trading Platform (React/TS)

A leading enterprise in financial technology is seeking a Senior Full-Stack Engineer to join their trading platform program in London. The ideal candidate has over 8 years of experience and expertise in TypeScript, Node.js, and React. You will collaborate with senior engineers to enhance performance and reliabil ...

Full Stack AI Engineer (TypeScript/React) — 3 Month

A digital agency is seeking a Full Stack Engineer to work on exciting digital transformation projects at the cutting edge of AI technology. This is a short-term contract role focusing on both backend and frontend tasks. Ideal candidates will have expertise in TypeScript, React, and AWS, along with experience usi ...

Full Stack GIS Engineer — Hybrid, Public Sector Impact

Informed Solutions is seeking a Full Stack GIS Developer to join their Leeds team. This role focuses on building innovative digital solutions for public sector challenges, utilizing modern technologies such as .NET, Java, and GIS systems. You will collaborate with a dynamic team on impactful projects, leverag ...

Hybrid FinTech Full Stack Engineer | AI Driven Modernisation

Burns Sheehan is looking for a Full Stack Engineer in Manchester to join their scaling FinTech team. In this hybrid role, you will design and maintain full-stack applications using modern technologies while collaborating with agile teams. You will have the opportunity to work on high-impact projects le ...

Full Stack Polyglot Engineer in London Transparent Technology

Requirements: We seek candidates with experience in the following areas: Backend Programming: Proficiency in Python, Golang, Node, Java, Kotlin, or any solid programming language. Frontend Development: Experience with JavaScript or TypeScript, ...

Senior Full Stack Software Engineer in London Townhouse

Customer-Facing Solutions From mobile apps and POS kiosks to internal tools and backend services. You’ll be hands-on across the stack — working with TypeScript, Vue, Expo, and Bun — and collaborating closely with product, design, and operational stakeholders to deliver robust solutions that ...

Senior Full Stack Engineer (React/Go/Java) – FinTech

Java Script Works is looking for a Senior Fullstack Engineer in London, United Kingdom. The role involves building user-facing features and core system components using a tech stack that includes React, Go, Node.js, and Java. Candidates are expected to work autonomously while maintaining quality through effectiv ...

Senior Node & React Full Stack Engineer | Microservices & AI

A fast-scaling RegTech startup is seeking a Node & React Full Stack Engineer to enhance their microservices architecture. The candidate will play a crucial role in ensuring seamless user experiences while leveraging cutting-edge technology. Responsibilities include transforming ideas into scalable code and autom ...

Senior Full Stack Software Engineer (Node / Typescript / React)

Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We’ve delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e‑commerce engine to our in‑house manufactu ...

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    Full Stack Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights