1,348,154+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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Staff Platform Engineer – Platform Engineering (UK & Ireland)

Overview Fanatics Betting & Gaming (FBG) is seeking a Staff Platform Engineer to join our Platform Engineering team based in the UK or Ireland. This position plays a critical role within the EMEA Platform Engineering organization, partnering closely with teams across the UK, Ireland, and U ...

Senior Software Engineer (FullStack)

About Birdie At Birdie, we’re reimagining care for older adults. We’re building the technology that powers the future of home healthcare, empowering care teams with tools to deliver better, more dignified care, and enabling older people to thrive in their own homes for longer. Our all‑in‑one solu ...

Site Manager – Internal Fit Out (New Build)

Site Manager - Internal Fit-Out (New Build Residential)📍 Eddington, Cambridge💰 Up to £75,000 + package (car allowance + bonus)We’re working with a privately owned residential developer delivering a 160-unit scheme in Eddington, Cambridge, consisting of houses and low-rise apartment blocks. Wi ...

Principal Software Engineer

Date Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites ...

Senior Software Engineer QA Entertainment Release

We believe in better. And we make it happen.Better content. Better products. And better careers.Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. ...

Principal Software Engineer

Date Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites ...

Principal Software Engineer

Date Posted:2026-06-24Country:United KingdomLocation:Manchester, LancashirePosition Role Type:OnsiteRaytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites ...

Senior Product Engineer (Go) Remote UK

Want to make the most of AI as part of the development process? Would you describe yourself asan engineer who owns product outcomes, not just code? Want to work in a small, well-established, profitable and secure company, set for growth? Want to work remotely within the UK? My client, a leader in th ...

Software Developer with C# .net SQL Server and RPG

Software Developer with C# .Net SQL Server and RPG Role Description This is a full-time hybrid role based in London, offering flexibility for remote work. As a Software Developer with expertise in C# .NET, SQL Server, and RPG, your responsibilities will include developing software ...

Software Developer x 2 C#/.Net/Angular Up to £55k

Software Developer x 2 - C#/.Net/Angular - Up to £55kAn award-winning software house requires a number of C#/ASP.Net Software Developers to join its innovative and growing software delivery team.Suitable candidates will be responsible for translating project requirements into functional code and ...

Backend Software Engineer (Member of Technical Staff, Search Crawer)

Responsibilities We are seeking an experienced Backend Software Engineer to join our Crawler team In this role, you will design, develop, and operate systems that ingest, process, and manage web‑scale data in support of our next generation of advanced search technologies <li ...

Lead Platform Engineer

UK property management is a multi-billion pound industry running on email, spreadsheets, and manual admin. The opportunity here is to automate up to 90% of the operational workload for property managers and capturing 15% of this core proptech market is within reach. The founders are deeply embedded ...

Lead Platform Engineer

UK property management is a multi‑billion pound industry running on email, spreadsheets, and manual admin. The opportunity here is to automate up to 90% of the operational workload for property managers and capturing 15% of this core proptech market is within reach. The founders are deeply embedded ...

Senior Fullstack Software Engineer, Signals Team

**Join us at Entrust ** At Entrust, we’re shaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely. <b ...

Junior C#/.NET Developer London Up to £70,000 Starting Base + Exceptional Bonuses/Benefits

Junior C#/.NET Developer – London – Up to £70,000 Starting Base + Exceptional Bonuses/Benefits Salary : Up to £70,000 + Bonus + Benefits Location : London (Hybrid) The Opportunity : Seeking a Junior C# / .NET Developer to join their high‑performing engineering ...

Ruby on Rails Developer (Mid level or Senior Level)

Ruby on Rails Developer (Mid level or Senior Level)) Mid Level OR Senior Ruby Developer Location: London (near Liverpool Street Station) We are looking for a mid to senior ruby developer to help us expand our property technology business. We are the home of informa ...

Lead Software Engineer

About us Make a difference and advance your career by helping deliver some of the UK’s most important #tech4good projects, making the world a smarter, safer, greener, and healthier place. You’ll join a talented team of dynamic and driven professional problem solvers; creative thinkers and ...

Engineering Manager, AI Products (Remote/London)

Figma is seeking an Engineering Manager to lead the Developer Tools team in London—streamlining workflow and enhancing collaboration for developers. This role involves managing engineers to build AI-powered developer offerings while working closely with cross-functional teams. The ideal candidate will ...

Documentum Java Architect DV Cleared Agile SAFe Leader

LA International Computer Consultants Ltd is looking for a Documentum Java Solution Developer/Architect in Basingstoke and Deane. The role requires a proactive individual with at least 3 years of Java development experience, particularly with Documentum APIs and Agile methodologies. You will design, de ...

Senior Platform Engineer — Build a Scalable Dev Platform

Fanatics-Betting- is seeking a Senior Platform Engineer to join their dynamic Platform Engineering team. This vital role requires expertise in cloud infrastructure and Kubernetes, focusing on enhancing developer productivity and cloud cost efficiency. The successful candidate will deliver key platform ...

AI Platform Engineer: Shape Scalable AI DevOps

United States Digital Space LLC is seeking a Platform Engineer to lead the design and operation of modern developer platforms across various industries. You'll play a vital role in enhancing developer experience and ensuring reliable software delivery. The ideal candidate will have solid experience wit ...

Senior Android Engineer (Java/Kotlin) – REST & TDD Expert

Job Opportunity: Principal Android Developer We are currently seeking a hands-on Principal Android Developer with deep experience in Android application development. The ideal candidate should have excellent skills in Java and Kotlin, as well as a solid understanding of REST APIs, JSON, and TDD/B ...

Data Quality Engineer

Salary: £41,000 - 81,000 per year Requirements Ideally hold a degree qualification in a relevant subject matter Knowledge of various testing environments data management and validation Strong programming skills, with Python preferred; experience with C#, JavaSc ...

C / C++ Software Engineer

Salary £78,000 - 78,000 per year Requirements Proficient in C# Experience with C++ (not overly extensive) Familiarity with Microsoft Visual Studio and Eclipse Ability to transition from high-level/system views into technical detail K ...

Lecturer in Software Development and Coding

DescriptionSupporting documentsEmployerLocationStart date September 2026What we are looking for:Recent commercial experience in software development or ITStrong practical coding skills in Python, JavaScript and/or C#Knowledge of Git, Agile methodologies, CI/CD pipelines and co ...

Senior Product Engineer Archer

Senior Product Engineer-Archer Remote Based role £60-£70k +10% Bonus & BenefitsMy client a multi-national Aerospace & Defence organisation are looking for a Senior Product Engineer to work on a remote basis. They can be based out of any of the clients multiple UK wide sites.This role will ...

Software Engineer

Job Description Software Engineer - Farnborough - Hybrid - £70,000 - £80,000A growing technology organisation operating within highly secure environments is looking to hire Software Engineers to support and evolve critical Software programmes. Responsibilities: ...

Data Quality Engineer

Salary: £41,000 - 81,000 per year Requirements Ideally hold a degree qualification in a relevant subject matter Knowledge of various testing environments data management and validation Strong programming skills, with Python preferred; experience with C#, JavaSc ...

Senior Product Engineer Archer

Senior Product Engineer-Archer Remote Based role £60-£70k +10% Bonus & BenefitsMy client a multi-national Aerospace & Defence organisation are looking for a Senior Product Engineer to work on a remote basis. They can be based out of any of the clients multiple UK wide sites.This role will ...

Software Engineer

Job Description Software Engineer - Farnborough - Hybrid - £70,000 - £80,000A growing technology organisation operating within highly secure environments is looking to hire Software Engineers to support and evolve critical Software programmes. Responsibilities: ...

Senior Backend Engineer (Go) Remote UK

Overview Want to make the most of AI as part of the development process? Would you describe yourself as an engineer who owns product outcomes, not just code? Want to work in a small, well-established, profitable and secure company, set for growth? Want to work remotely within the UK? My c ...

Lead Assembler Developer Remote in EMEA (Open Telemetry Support)

Lead Assembler Developer - Remote in EMEA (Open Telemetry Support) Join to apply for the Lead Assembler Developer - Remote in EMEA (Open Telemetry Support) role at BMC Software Lead Assembler Developer - Remote in EMEA (Open Telemetry Support) 5 day ...

Software Engineer

Java DeveloperLocation: Altrincham, Greater Manchester (Hybrid Working)Salary: Competitive + BenefitsA leading software organisation is seeking a talented Java Developer to join its growing Agile development team. This is an excellent opportunity for a Java Developer who enjoys solving comple ...

Platform Engineer

Quantifi is seeking a Platform Engineer in London. Reporting directly to the Head of Platform Engineering, you will be a founding member of our Platform Engineering team, building the Internal Developer Platform (IDP) that will power Quantifi's move to cloud native SaaS on AWS. We are an establishe ...

Operational Software Engineer

Our Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid cyber solutions that stitch together tooling for high‑impact results, or blended operational systems that ad ...

Senior Product Engineer Marketplace Integrations (Remote)

Pinpoint is in search of a Senior Product Engineer to join our remote team, focusing on integrating features and ensuring high performance. You will build full-stack solutions using Ruby on Rails and React, taking ownership from workflows to delivery. The ideal candidate has over 5 years' experience in ...

VP Software Engineering — AI First, Hands On Leader

Aeon in Greater London is seeking a hands-on technical lead to own the direction of their healthcare platform. You will work closely with an elite software team, codifying daily, and shaping a culture focused on AI development. The role requires strong full-stack expertise and experience in leading eng ...

Senior .NET IoT Platform Engineer (London Hybrid)

Leo Technology is seeking an experienced Software Engineer (.NET, C#, C++) to lead the development of an IoT software platform. Located in London, this role offers a hybrid work pattern, allowing you to thrive in a dynamic environment while making a significant impact on innovative water management solutions. ...

Senior Front End / UX Engineer Blazor & .NET

Bright in Manchester is seeking a Senior Software Engineer specializing in Front End and UX to join their Development team. This role involves building cutting-edge Blazor applications in C# and .NET, leading design decisions, and fostering a collaborative team environment. The ideal candidate will ...

AI Driven Senior Software Engineer Remote/UK

Citation Canada is looking for a Senior Software Engineer based in Wilmslow, UK, or remote. You will drive significant changes in software delivery, moving to a CI/CD model with an AI-native approach. The role involves hands-on engineering, collaborating as part of a team to deliver high-quality, innov ...

Lead .NET IoT Engineer for Smart Water Platform (Hybrid)

develop in Greater London is seeking a Senior Full Stack .NET Engineer for a hybrid role offering a salary of £55k–£60k. This position involves taking ownership of a Smart Tanks platform used for rainwater harvesting monitoring and flood prevention systems. The role requires expertise in C#, .NET, and ...

Engineering Manager Web Based 3D Authoring

Unity South APAC (SEA, ANZ, IND Subcont.) is seeking an Engineering Manager to lead a talented team in developing web-based collaboration tools for Unity projects. The role involves ensuring clear communication with product and engineering teams, optimizing workflows, and mentoring engineers to foster a high- ...

Payments Platform Lead Kotlin/React, Hybrid London

Formula. is seeking a Lead Software Engineer to support a transformation project for a major UK bank, focusing on rebuilding their payment system. This role requires expertise in payment gateway systems and experience in full stack development using Kotlin and React.js. The position involves team leade ...

Founding Engineer — AI for Hospital Operations

Jack & Jill is seeking a Founding Engineer to join CompliMind, a healthcare AI startup based in Cambridge. This role involves full-stack development of AI systems deployed across NHS trusts, shaping the technical architecture within a talented team of researchers. The ideal candidate has 1-5 years of e ...

Payments Platform Lead Kotlin/React, Hybrid London

Formula. is seeking a Lead Software Engineer to support a transformation project for a major UK bank, focusing on rebuilding their payment system. This role requires expertise in payment gateway systems and experience in full stack development using Kotlin and React.js. The position involves team leade ...

Lead Software Engineer SaaS Platform (TypeScript/React)

A leading hospitality tech company is seeking a Team Lead Engineer to join their growing team in Central London. You will lead and mentor engineers while remaining hands-on with development across a full-stack environment that includes React and TypeScript. This role involves driving technical excellence, making ...

GenAI Engineer: Build End to End AI Features for Planning

Anaplan is seeking a GenAI Engineer to join their team in Manchester. This role involves working across the full stack of GenAI applications, from model integration to user interface development. You will build production-ready AI features that enable business users to harness the power of GenAI. The i ...

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