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

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Lead Developer – SC or DV Cleared (Azure / .NET / Microservices)

SC or DV Cleared Lead Developer (Azure / .NET / Microservices) Location: London / Manchester / Bristol / Glasgow (Hybrid) Clearance: Active SC Clearance (essential) Rate: £ per day (Inside IR35) The Opportunity We’re supporting a major government programme build ...

Software Engineer Node, JavaScript, React

Software Engineer – Node, JavaScript, React I am currently seeking a Software Engineer with solid Node, JavaScript, and React experience to work for a leading tech company on front end customer focused pieces of work. This is a permanent role, with hybrid working in central London / r ...

Senior Software Engineer I (JavaScript)

Do you thrive in solving complex engineering challenges and shaping scalable, future‑ready solutions? About the team: ScienceDirect is the world's leading collection of science information on the web and Elsevier's flagship product. We are looking for talented engineers to contrib ...

Frontend Engineer — JavaScript/TypeScript + React

Java Script Works, located in Barton-upon-Humber, is looking for a skilled developer to build and maintain custom JavaScript applications. The ideal candidate will have over 2 years of experience and proficiency in TypeScript, React, NodeJS, HTML5 Canvas, and Less. You will be responsible for developin ...

Senior Frontend Architect — React & JavaScript

Fairygodboss is seeking a Software Engineer to join their agile team. The ideal candidate will drive significant business impact through their technical expertise in systems and technology, particularly in financial systems. Responsibilities include developing high-quality production code and providing techni ...

JavaScript Visualization Engineer (Hybrid & Growth)

Cambridge Intelligence is looking for a JavaScript Developer to join our team in Cambridge, UK. You will design and build innovative features for data visualization applications, contributing to multiple projects and mentoring junior team members. The ideal candidate should possess strong proficiency i ...

Lead JavaScript & Node.js Applications Architect

A dynamic tech company in Cambridge is seeking a Software Engineer with strong JavaScript skills and experience in Node.js. The role involves adapting to new technologies and engaging with a diverse set of cutting-edge tools. Candidates should have several years of commercial experience and a strong academic bac ...

Senior JavaScript Consultant Hybrid & Travel

A leading digital consultancy is seeking a Senior JavaScript Consultant in Birmingham. This hybrid role focuses on shaping project propositions and driving execution to enhance client offerings. Ideal candidates should have deep expertise in JavaScript, experience with Node.js, React, TypeScript, and strong comm ...

AI Trainer Advanced JavaScript Developers

The role We’re looking for JavaScript Developers to help train and evaluate cutting-edge AI models. If you have the necessary experience, we’ll send you an assessment to test your skills and suitability for AI tasks. If successful, you’ll be invited to join Prolific as a Domain Expert participant ...

Senior Software Engineer I (JavaScript))

## .**Senior Software Engineer I (JavaScript)****About the team:**ScienceDirect is the world's leading collection of science information on the web and Elsevier's flagship product. We are looking for talented engineers to contribute to a culture of technical excellence paired with strong collaboration and modern ...

Lead Fullstack Engineer (Java/JavaScript)

Base pay range Direct message the job poster from Lloyds Banking Group SALARY: £90,440-127,680 per annum HOURS: Full-time - 35 hours per week WORKING PATTERN: Our work style is hybrid, which involves spending at least two days per week, or 40% of our ti ...

Senior Front End JavaScript Engineer

Front-End Developer – UX/Blazor – Birmingham – Hybrid Birmingham, England, United Kingdom Job Details Seniority level: Mid-Senior Employment type: Full-time Job function: Information Technology Benefits & Qualifications S ...

Automation Tester (C#/JavaScript & Playwright)

We are seeking an experienced QA Automation Engineer with strong expertise in Selenium, Playwright, C#, JavaScript, and Azure DevOps. The ideal candidate will be responsible for designing scalable automation frameworks, driving end-to-end test automation initiatives, and ensuring high-quality software deli ...

Software Engineer Java/JavaScript/Python

MCS Group is delighted to be partnering with a global technology organisation as they expand their Cyber Security Engineering teams with the addition of multiple Software Engineers across varying levels of experience. This is an opportunity to join a modern, cloud-first engineering environm ...

AI Solutions Engineer (JavaScript / TypeScript)

AI Solutions Engineer | £40,000 - £45,000 + Bonus | Hybrid – Manchester (Perfect for a TypeScript Developer, Integration Engineer or Software Engineer looking to move down a slightly different career path) About the Company This is an opportunity to join one of Manchester's most ...

Software Engineer Node, JavaScript, React

Software Engineer – Node, JavaScript, React I am currently seeking a Software Engineer with solid Node, JavaScript, and React experience to work for a leading tech company on front end customer focused pieces of work. This is a permanent role, with hybrid working in central London / r ...

Software Engineer Node, JavaScript, React

Software Engineer – Node, JavaScript, React I am currently seeking a Software Engineer with solid Node, JavaScript, and React experience to work for a leading tech company on front end customer focused pieces of work. This is a permanent role, with hybrid working in central London / r ...

Senior Software Engineer I (JavaScript))

This job is with Elsevier, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer I (JavaScript) </p ...

Software Engineer Graduates Considered

Job DescriptionSoftware Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Workin ...

Software Engineer Graduates Considered

Software Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class ...

Software Engineer Graduates Considered

Job DescriptionSoftware Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Workin ...

Software Engineer Graduates Considered

Software Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class ...

Software Engineer Graduates Considered

Job DescriptionSoftware Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Workin ...

Software Engineer Graduates Considered

Job DescriptionSoftware Engineer - Graduates ConsideredA fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Workin ...

Full Stack Engineer (Front End Focus) in London Printerpix

Coding Experience Experience in XHTML, HTML5, CSS3, and JavaScript (ideally 5+ years). JavaScript & Frameworks Strong JavaScript skills with Node.js experience. Minimum 2 years’ experience in either Vue or React (essential). Next.js Experience preferable. ...

Senior Full Stack Engineer — Remote Tech Leader for SaaS

A leading software company in the UK is seeking a Senior Full Stack Engineer to help shape and deliver innovative features for SaaS platforms. This role involves both front-end and back-end development with a focus on technical leadership, collaboration, and delivering high-quality solutions. The ideal candidate ...

Part Time Senior Full Stack & AI Lead — Healthcare Equity

A healthcare technology company in London is looking for a Senior Full-Stack Engineering Lead to design an innovative care coordination platform. You will be responsible for leading engineering teams and overseeing integrations with regulated health services while building AI-assisted solutions. This part-time r ...

Senior Full Stack Engineer — AI Martech (Hybrid/Remote UK)

A leading venture capital firm in the UK is seeking a Senior Full-Stack Engineer to develop LLM-powered products in marketing technology. You will lead the design and implementation of scalable web applications, ensuring collaboration with AI engineers and product managers. The role demands 5+ years in full-stac ...

Senior Product Engineer AI Driven Full Stack B2B SaaS

Marcode, an AI-first company based in the United Kingdom, is seeking a Senior Product Engineer. This role involves owning features across the app, API, and data platform, emphasizing a full-stack approach. Candidates should have strong experience in B2B SaaS products and fluency with AI coding tools. You will be ...

Remote UK Full Stack Engineer — Python/TS, Impact & Scale

A mental-health technology company is seeking a Full-Stack Software Engineer to develop and implement high-quality features. You'll write efficient code in Python and TypeScript, maintain application performance, and ensure security compliance. The role requires strong full-stack development experience and profi ...

Remote Full Stack Tech Lead — Build Scalable Health Tech

A leading digital solutions provider based in the UK is seeking a Full Stack Tech Lead Developer to lead a team of developers in a remote-working environment. This role involves a mix of hands-on technical work and leadership responsibilities, fostering collaboration within an agile team. The ideal candidate wil ...

Senior Full Stack Engineer — Remote, AI Powered Health Platform

A leading digital health company in the United Kingdom is seeking a Senior Full-Stack Developer to join its engineering team. The role involves building scalable applications using Node.js, TypeScript, and AWS while enhancing cloud infrastructure. The ideal candidate should have over 5 years of software developm ...

Senior Full Stack Engineer — Lead Scalable Systems (Remote UK)

The Audio Programmer Ltd is seeking a passionate Senior Full Stack Engineer to join their innovative team in the UK. In this role, you'll take ownership of developing tools that enhance the connection between artists and fans. This position is perfect for someone eager to lead projects while enjoying the flex ...

Senior Full Stack Engineer Remote, End to End FinTech

A leading financial technology firm in the UK is seeking a Senior Full Stack Engineer to develop innovative solutions and lead the entire lifecycle within cross-functional teams. The ideal candidate will have over 5 years of experience and strong skills in TypeScript, AWS, and problem-solving in a fast-paced env ...

Senior Full Stack Engineer: Build Scalable, High Performance Platforms

Hatch is seeking a skilled Senior Full Stack Engineer, primarily focused on backend development with a high-performance tech stack including Elixir, Python, Golang, React, Typescript, and Next.js. You will lead system development and optimization. The ideal candidate has several years of software engin ...

Senior Full Stack Engineer AI Systems for LLMs (Remote)

Letit is seeking a Senior Full Stack Engineer to work across various product surfaces, including React front-end and NestJS backend. While this position is primarily remote, candidates from the EU and UK are preferred. The role focuses on building reliable AI systems, enhancing user experience, and solving ne ...

Full Stack AI Engineer — End to End FinTech Automation

Novabook in the United Kingdom is seeking a skilled individual to take on a pivotal role in evaluating and enhancing our AI document ingestion pipeline. You will be responsible for integrating real bank accounts into our platform and automating bank transaction categorization using AI. The ideal candid ...

Mid Level Full Stack Engineer — Green Tech, Dog Friendly

Octopus Group is seeking a mid-level Full Stack Software Engineer to join their product and engineering team. This role involves building the systems that underpin our electric car leasing revolution, utilizing a tech stack that includes Python, React, GraphQL, and AWS. The ideal candidate will have pr ...

End to End Full Stack Engineer for Environmental Platform

We are building a decision support platform for land managers, investors, and policymakers to achieve the best carbon, biodiversity, and other environmental outcomes. We’re seeking talented, creative engineers who are happy to get stuck in at any part of the product architecture, from front-end UI to back- ...

Remote Full Stack Engineer: End to End AI Platform

A cutting-edge technology company is seeking enthusiastic Full-Stack Engineers for remote roles to develop and maintain both front-end and back-end components of their products. The position encourages problem-solving and creativity without requiring formal experience. Key responsibilities include building innov ...

Senior Full Stack Engineer — AI, Real Time Data & Ownership

Searchability® is hiring a Senior Full Stack Engineer in the United Kingdom for a dynamic role that spans both backend and frontend development. You will work on real-time AI and data-driven products, ensuring a high level of autonomy in a fast-growing tech environment. Ideal candidates will possess ov ...

Remote First Full Stack Product Engineer—AI Driven SaaS

Beyond Hosting is looking for a Full Stack Product Engineer to transform how dental practices attract and convert patients. This role offers the opportunity to work across the stack and take ownership of key features and user experiences. Candidates should have 2+ years of full stack experience with Re ...

Remote Full Stack Product Engineer for AI Driven Growth

Nerdleveltech is looking for a Full Stack Product Engineer to build innovative solutions that reshape how dental practices attract and convert patients. You will lead projects from backend services to frontend integration and work in a dynamic remote-first environment. The ideal candidate will have 2+ ...

Full Stack Product Eng AI Climate Tech (Remote + Equity)

A forward-thinking climate tech startup in the UK is seeking a Full-Stack Product Engineer to enhance their innovative platform utilizing AI for sustainable supply chains. You will collaborate with a small team, driving product development and addressing real-world challenges. The position offers competitive com ...

Full Stack .NET/C# Engineer — Hybrid, High Impact Projects

Stealth iT Consulting is seeking a Full Stack Engineer to work on impactful digital transformation projects. This hybrid role requires expertise in C#/.NET Core and effective collaboration in Agile teams to deliver solutions for government and commercial clients. As part of a supportive and innovative ...

Full Stack Software Engineer: AI Powered Hiring Tech (Remote)

Onyx-Conseil in the United Kingdom is seeking an early-career Software Engineer to join their fast-growing team focused on AI-powered recruitment technology. In this remote full-time role, you will develop and improve products that automate candidate sourcing and hiring workflows. The successful candid ...

Senior Full Stack Engineer (Trading API Client Facing Application)

Responsibilities As a Senior Full-Stack Engineer, you will be responsible for designing, implementing, and maintaining systems and services that form the foundation of Alpaca and empower millions of users who trade billions of dollars worth of assets As part of the Trading API team, ...

Senior Full Stack Engineer (C#/Backbone) | AI & UX Focus

Sivara GmbH, a growing edu-tech company in the United Kingdom, is seeking a Principal or Staff Engineer with expertise in C#, Backbone, and MS SQL. This role involves hands-on development and collaboration within a small, dynamic team to enhance both the engineering practice and our social impact in education ...

Senior Full Stack Engineer: End to End Platform Ownership

OnBuy seeks a Senior Full Stack Engineer for a UK remote role responsible for building and evolving their commerce platform. The position involves end-to-end delivery of features across UI, APIs, and backend systems, requiring strong skills in PHP, JavaScript frameworks, and database management. Applicants shoul ...

Part Time Software Engineering Intern UK (Full Stack) Healthcare

Princeton Biopartners is a best-in-class strategy consulting firm serving the life sciences sector. We partner with Fortune 500 biopharmaceutical companies on strategic projects, combining advisory and software solutions to improve the evidence base, accessibility, and impact of biomedical innovations. We ar ...

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