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

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Contract Full Stack Java Engineer React + Python

Java Script Works is seeking a Full Stack Java Engineer for a fixed-term contract in Birmingham, United Kingdom. The role requires solid development experience, particularly in Java and React, alongside broader knowledge across various tools and frameworks. This position offers competitive compensation and empha ...

Senior Full Stack Engineer — React & TypeScript (Remote)

A fast-growing technology company in the UK is seeking a Senior Full Stack Engineer to join their dynamic team. The role involves designing and maintaining high-performance applications using TypeScript, Node.js, and React. Candidates should have a strong background in production-critical systems and cloud platf ...

Full Stack Java/React Engineer — Remote & Flexible

Job Description Job DescriptionCan you think strategically and connect the dots across projects to shape the bigger picture? Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate acros ...

Cloud Journey Solution Architect Modernization & Full Stack

Required Skills & Experience Proficiency in front-end technologies (React, Angular, HTML/CSS) and back-end frameworks (Node.js, Java, .NET Core). Proficiency with multiple IDEs such as Eclipse, Intellij, and/or Visual Code. Knowledge and experience performing application... Who We Are < ...

Senior Full Stack Engineer API, Cloud & AWS

A technology company in Salford is seeking a Full Stack Engineer to join their team on the award-winning Investcentre platform. The ideal candidate should have 3-4 years of experience with C#, .NET Core, and web development frameworks like Angular, React, or Vue.js. Responsibilities include designing and deliver ...

Full Stack Engineer: Build Big Features, Fast

Urban Jungle Insurance is seeking Software Engineers to join their Full Stack Software Engineering team in Greater London. You’ll contribute to high-impact projects from day one while collaborating closely with Product, Commercial, and Data teams. This position offers a starting salary of £40,000 - £41 ...

Java Full Stack Engineer: Cloud Native & Kubernetes

A technology consulting firm in Glasgow is seeking a passionate Full Stack Java Developer. In this role, you will design and maintain enterprise-grade applications. You will work extensively with Java, Spring Boot, and cloud technologies, helping to deliver scalable solutions. This position requires strong skill ...

Founding Full Stack Engineer: Next.js & TS Leader

Java Script Works is seeking a skilled full-stack developer to architect, build, and deploy comprehensive applications utilizing Next.js and TypeScript. The ideal candidate will have over 3 years of experience and a proven track record in managing production-grade systems from inception to launch. The ...

Product Engineer: Climate Tech, Full Stack Impact

A Climate Tech company is seeking a Product Engineer who excels at blending engineering, product, and customer needs. This full-stack role emphasizes user-focused feature development, client collaboration, and innovation in a startup environment. Ideal candidates have over 3 years of application development expe ...

AI Native Product Engineer: Full Stack & LLM

A leading tech company in Greater London is seeking AI-native product engineers to join their team. You will work on developing innovative solutions for enterprise IT, focusing on LLM integration and enhancing existing systems. Ideal candidates should possess strong software engineering skills, product instincts ...

Senior AI‑Driven Full‑Stack Engineer (Remote)

pubX is looking for an experienced backend engineer to design and maintain services for our AI-driven advertising platform. The ideal candidate will have strong backend fundamentals and experience with AWS, Python, and event-driven systems. This role offers fully remote work with a competitive salary, ...

Senior Full Stack Architect Client Delivery & Mentorship

Cody Software is seeking a senior full-stack engineer to join their Digital Product practice in Greater London. In this role, you will lead technical delivery on client engagements, architect scalable web applications, and mentor mid-level engineers. A strong proficiency in TypeScript, React/Next.js, and Node ...

Staff Full Stack Engineer: Lead Platform & Innovation

KI, based in Greater London, is seeking a Staff Full-Stack Engineer to enhance its broker platform. You will lead delivery squads, champion engineering excellence, and directly deliver impactful software solutions. Ideal candidates will have mid-senior level experience in modern web stacks, proficiency in ser ...

Full Stack Software Engineer / Java Software Engineer

We have opportunities for Software Engineers at every level within a team across our Manchester, Gloucester. Due to the interesting work we do and the sector this team is working in, we require all candidates to currently hold SC clearance. Responsibilities Design an ...

Hybrid Full Stack & Systems Engineer Connected Platforms

Theo James Recruitment is seeking a Full Stack Software & Systems Engineer for a hybrid role based in Newcastle. You will play a key role in developing integrated software platforms that serve manufacturing and operational environments. This position involves frontend and backend development, API creat ...

Full Stack Engineer — Freight & Customs Platform (UK)

TechYard in Liverpool is looking for a full-stack engineer to work on freight and customs software. You will design, build, and ship features across diverse applications while ensuring code quality and test discipline. The ideal candidate has experience with Angular (v18+), TypeScript, and AWS technolo ...

Senior Full Stack Engineer: Build with Customers

Gearset in Belfast is looking for a Senior Software Engineer to enhance and expand their platform while collaborating with users and teams. In this role, you will engage directly with customers, shape features, and influence the product roadmap. The position offers a salary range of £59,000 to £78,000 ...

Senior Full Stack Engineer Remote, Growth & Impact

Hudl is looking for a Senior Engineer in Greater London who will work with cross-functional teams, mentoring others and developing large-scale applications. You'll collaborate to deliver web features and solve technical problems in a supportive culture. The ideal candidate has core skills in C#, Node, ...

Lead Full Stack Engineer, AI Agent Platform

Ebury is looking for a Senior Full-Stack Engineer to join our London team in a hybrid capacity of 4 days in the office and 1 day remote. You will work on an AI-powered financial crime investigation platform, architecting features across the stack while mentoring other engineers. The ideal candidate has ...

Senior Full Stack Engineer AI Driven Platform

Bluefish is seeking a Senior Full-Stack Engineer to architect and build scalable web applications, contributing to their AI marketing platform. This role involves collaboration with AI engineers and product managers to deliver impactful features while maintaining high engineering standards. The ideal c ...

Senior Full Stack Quality Engineer (Hybrid/Remote)

Equity City is seeking a Senior Full Stack Quality Engineer to support high-quality software delivery. This hands-on role requires strong Agile testing experience and the ability to lead testing within product teams. Responsibilities include establishing quality metrics, collaborating with offshore teams, and ...

Secure Full Stack Software Engineer (Mission Critical)

Envitia is looking for a Software Engineer to design and develop secure software services and mission-critical applications while working in classified government environments. You will be responsible for building modern digital solutions in Agile teams, collaborating closely with specialists to deliver high- ...

Edge Driven Full Stack Engineer | Hybrid UK

CleanTech Talent is seeking a Full Stack Developer to join their UK engineering team focused on building distributed systems. The role involves working across the entire stack, from backend services to operator-facing web interfaces. The ideal candidate will have strong full-stack experience and a passion for ...

Hybrid UK: AI & Automation Full Stack Engineer

LHH is seeking a Full Stack AI & Automation Solutions Developer in the UK (Hybrid). The role involves developing internal platforms and AI-enabled solutions using Microsoft technologies. Successful candidates will design applications, integrate AI platforms, and improve operational efficiency through a ...

Director of Full Stack Architecture & AI Platforms

BNY is seeking a Director - Full Stack Developer with significant experience in software development. The role involves leading architecture design, mentoring junior developers, and developing rapid prototype code for engineering solutions. The ideal candidate will hold a Bachelor's degree in computer ...

Full Stack Engineer: AI Trust Layer & Testing

Duku AI is seeking a Full Stack Software Engineer who is eager to define and build a trust layer for AI-driven software. You will be responsible for rapid deployment, user engagement, and training AI agents.The ideal candidate has a relentless drive, startup experience, and fluency with AI technologies. ...

Full Stack Engineer (Rails) — Hybrid, Impactful Apps

Papier is seeking a Full Stack Developer to enhance their online customer experience. This role involves collaborating on scalable features and writing clean code for both backend and frontend applications. You should possess strong knowledge of Ruby on Rails and have 2 years of commercial experience w ...

Customer Facing Full Stack Engineer, AI Solutions

OpenAI is seeking experienced customer-focused software engineers to join their Forward Deployed Engineering team in London. The role involves designing and implementing scalable solutions that leverage OpenAI's APIs. Candidates should have over 7 years of full-stack engineering experience, preferably in cust ...

Senior GenAI Engineer | Python Full Stack Lead

Mphasis is looking for a Senior GenAI Engineer/Python Fullstack Developer to lead the development of innovative AI solutions. This position requires expertise in Generative AI, Large Language Models, and full-stack development using Python. You will design, build, and scale AI applications that deliver signif ...

Senior Full Stack Engineer Hybrid (Glasgow) Pension

Be-IT is seeking a Senior Full Stack Developer to join their Glasgow team in a hybrid working environment. This hands-on role involves significant coding responsibilities with opportunities for mentorship and shaping the technical direction. The ideal candidate will have over 5 years of full stack deve ...

Senior Full Stack Engineer & Tech Leader (Hybrid)

Dignity Group in Maidenhead is seeking a Senior Full Stack Engineer to own and deliver scalable solutions across the full stack. The role involves driving technical direction and mentoring a team of engineers, within a hybrid working model of 3 days in the office per week. Ideal candidates will have ex ...

Full Stack Engineer: Transfers & Client Journeys (Hybrid)

Hargreaves Lansdown PLC is looking for a Full-Stack Engineer in Bristol to enhance transfer applications across multiple repositories. The ideal candidate will be skilled in Node.js, AWS Lambda, and React, and should possess strong problem-solving abilities. The position offers diverse responsibilities ...

Cloud Native Full Stack Engineer: PIM Activation

Akeneo is looking for a talented individual to join their Activation team, which is responsible for evolving product syndication. The role focuses on designing a cloud-native platform that seamlessly connects product data with global sales channels. Key responsibilities include scaling architecture, im ...

Senior Java Full Stack Engineer – Microservices & Cloud

Stealth iT Consulting is seeking Java Full Stack Engineers (Consultant / Senior Consultant) for permanent positions across London, Manchester, and Glasgow with flexible working options. Ideal candidates must be eligible for SC Clearance and possess 5 years of UK residency. The role involves building in ...

Senior Full Stack Engineer & Delivery Lead — London

Softwire is looking for experienced software developers based in London, focused on delivering great client solutions through technology. With at least 3 years of experience, you will lead teams, foster technical excellence, and communicate effectively with clients and non-technical stakeholders. The r ...

Hybrid Full Stack Engineer for Climate Impact

Registrar Corp is seeking a Full Stack Software Engineer for its Foodsteps team in London. This hybrid position offers a competitive salary between £55,000 and £65,000. You will design and implement features across the tech stack, collaborating with a cross-functional team to develop solutions for sustainabil ...

Full Stack Engineer (TypeScript/JS) — Ownership & Growth

Oho Group is seeking a Full Stack Engineer to join their high-growth consumer tech team in Greater London. In this role, you'll build and launch features across the stack, working closely with product and design to create excellent user experiences. The ideal candidate has strong experience with TypeSc ...

Principal Engineer: AI Driven Full Stack & Strategy

IntaPeople Limited in Cardiff is seeking a Principal/Staff Engineer to scale the development team. This hybrid role combines hands-on development in C#, with a focus on AI strategy, code reviews, and understanding business strategy. The ideal candidate will have a genuine interest in the business, work ...

Remote Full Stack Engineer Azure, .NET & React

Leo Technology is looking for a Full Stack Engineer to join their team on a fully remote basis within the UK. The ideal candidate has extensive experience with Azure, C#, .Net, and React, focusing on enhancing their Azure-based core platform and workflow engine. This position offers a contract for 12 m ...

Full Stack Engineer — AI Powered Audiobook Platform

Creandum Advisor LLP is looking for a motivated individual to build and evolve features for the Spotify for Authors platform. This role involves collaborating across a React/TypeScript frontend and Java backend. Ideal candidates have experience in web application development, with a focus on code quality and ...

Lead Full Stack Engineer: Platform & Cloud Innovator

dunnhumby is seeking a Lead Engineer for its Application Platform Team in Salford, England. The ideal candidate will possess strong technical expertise and leadership skills to guide teams in producing high-quality, scalable solutions. Key responsibilities include working collaboratively with diverse teams an ...

Senior Full Stack Tech Lead Remote/Flex

Leidos in Farnborough seeks a Lead Software Engineer to provide technical leadership and support the software team in delivering solutions. The role involves developing backend services in Java and modern SPA applications using frameworks like React and TypeScript. With 10+ years of experience required ...

Lead Full Stack Engineer Cloud Platforms & Mentorship

dunnhumby in Manchester seeks a Lead Engineer for its Application Platform Team. This role requires strong technical expertise and people leadership to guide teams delivering high-quality, production-ready solutions. The ideal candidate will have hands-on experience with cloud-native environments, stro ...

Senior Python Full Stack Engineer: Cloud & DevOps

Version 1 is looking for a skilled Senior Python Support Engineer in Belfast to provide L2/L3 support for Python applications and ensure system reliability and efficiency. You will design maintainable solutions, work within Agile methodologies, and contribute to CI/CD pipelines. Ideal candidates will h ...

Graduate Software Engineer: Full Stack & Cloud Dev

A global technology and consulting organisation is seeking a Graduate Software Engineer to launch their career in tech. In this role, you will write, test, and deploy software while collaborating directly with technical experts on live projects. You will receive training in modern development tools, secure codin ...

Full Stack AI HealthTech Engineer: Scale & Impact

A HealthTech company in Manchester is seeking a full-stack software engineer to join their growing product and engineering team. You'll design and build applications for thousands of users while ensuring high performance and seamless user experience. With a focus on technologies like Python and React, you’ll wor ...

Senior Full Stack Engineer Cloud, Security & Defence

A tech company is seeking a Senior Software Engineer to join their dynamic team in Farnborough, working on cutting-edge projects in secure digital technology. The role involves designing and maintaining software solutions, implementing backend systems using Java, Python, or Go, and deploying cloud services on AW ...

Senior Full Stack/AI Engineer (Frontend Leaning)

Senior Full‑Stack/AI Engineer (Frontend-leaning) Core Technical Expertise Deep hands‑on experience delivering full‑stack JavaScript/TypeScript solutions, with strong proficiency in React, Next.js, Node.js, and the broader JavaScript ecosystem. Proven ability to build hig ...

Senior Full Stack Engineer — Fintech Platform, Remote

A growing fintech software company in Greater London is looking for a full-stack software developer with 4-7 years of experience in web development. You'll join a dynamic tech team to optimize and build features for an award-winning web platform using technologies like ReactJS, NodeJS, MongoDB, and AWS. This rol ...

Full Stack Engineer for AI Avatar Platform

A leading AI production studio in Greater London is seeking a Full Stack Engineer to develop innovative applications and systems for digital characters. The role requires 5+ years of full stack experience, working collaboratively in a fast-paced environment, and offering real ownership over projects. You’ll be i ...

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