2,282,310+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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.NET Developer – Lincoln

.NET Developer - Fastest-Growing Internet Co Ever - Lincoln, Lincolnshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Develope ...

Software Engineering Specialist

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance ( An allowance of £5k per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance ...

Lead software engineer in London 8th Light

Lead software engineer 8th Light London, United Kingdom Posted 9 months ago Tech stack JavaScript React Java Python Artificial Intelligence Skills and Experience Understanding the unique needs of the ...

Application Engineer in Cambridge MathWorks

Application Engineer Cambridge, United Kingdom Posted 10 months ago Tech stack Image processing Signal processing Application JavaScript, Java Algorithms Python C MATLAB Qualific ...

Software Engineer Galileo Platform in Cambridge OLI Systems

Software Engineer - Galileo Platform Cambridge, United Kingdom Posted 10 months ago This is a job posted by our partner Jooble Tech Stack JavaScript JSON CSS Amazon AWS HTML5 REST Azure A ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

ML/AI Software Engineer

ML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pioneering technology in the ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

ML/AI Software Engineer

Job DescriptionML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pi ...

ML/AI Software Engineer

ML/AI Software EngineerA brilliant opportunity for a Machine Learning-focused Software Engineer with experience in AI, Audio, and Computer Vision to join an incredibly exciting start-up in London, which is currently in stealth mode developing pioneering technology in the ...

Product Engineer: Shape Great User Experiences

A dynamic technology company in Greater London is seeking a Product Engineer to build innovative financial platforms for their insurance and lending products. The successful candidate will design scalable software and lead technical projects while collaborating with cross-functional teams. Candidates should have ...

Accessible Frontend Dashboard Engineer

Zebra People is seeking a Front End Developer for a 6-month contract in London. You will work on a public sector dashboard that helps provide trusted data and insights to various stakeholders, ensuring accessibility and user needs are met. Essential skills include JavaScript, HTML, CSS, and experience ...

React Front End Developer Real Time 3D & Spatial Tech

Java Script Works is seeking a Front End/Web Developer based in Northampton, United Kingdom. The ideal candidate should possess strong skills in React and JavaScript, with interest or hands-on experience in real-time 3D coding. Compensation ranges from £28,000 to £35,000, and this is a full-time role. The compan ...

Senior PHP Engineer — Laravel, GCP/AWS

Java Script Works is looking for a Senior PHP Developer to join their team in London, United Kingdom. The ideal candidate will write clean, testable code and have experience with GIT, HTML, CSS, JavaScript, and cloud services such as GCP and AWS. This full-time role offers a competitive salary of up to ...

C#.NET / REACT Developer

Job DescriptionC# .NET / REACT Developer Location - LondonOn-Prem 3 Days per Week Talan is seeking a skilled C# .NET Developer with REACT experience to join our delivery teams working on Front Office platforms within Global M ...

Java Developer (Spring Boot) – CI/CD & Hybrid Work

YT Technologies is looking for a software developer to join their friendly and experienced team in Staffordshire. This full-time role involves developing product enhancements, resolving bugs, and participating in Scrum ceremonies. The ideal candidate will have at least two years of commercial experienc ...

Engineer, Developer Experience & Platform Tools

ASOS is seeking a skilled Software Engineer to join their Developer Experience team in London. This role involves building and improving developer tools and templates that enhance productivity for hundreds of engineers. Your contributions will have a direct impact on the efficiency of internal processes. ...

Lead Full Stack Tech Lead — Hybrid | Up to £100k | SaaS

Lorien is seeking a Lead Full Stack Developer to play a pivotal role in shaping and delivering a modern, cloud-native SaaS platform. This hybrid role requires hands-on technical leadership, architectural decision-making, and collaboration with engineers and stakeholders. The ideal candidate will have s ...

Senior Fullstack Engineer, Data Platform — SDKs & APIs

Spotify is looking for a Fullstack Developer to join their Data Platform in London. You'll build tools to help developers understand user behavior and collaborate with cross-functional teams. The ideal candidate has strong JavaScript and TypeScript skills, experience with React, and a focus on developer experien ...

Senior Backend Engineer — Game APIs & Tools

A leading video game developer is seeking an experienced Senior Online Developer in Oxford. You will build and support internal and external web APIs using your JavaScript expertise. This role involves the complete software development lifecycle and working on both internal tools and public APIs. Flexibility is ...

Front End Developer React/Angular, Flexible Working

Limelight Health in Greater London is looking for a skilled Front-End Developer to join their team. As a developer, you will be responsible for building and maintaining user-facing features while ensuring high performance across devices. The ideal candidate should possess substantial experience in fron ...

AI Augmented Engineering Lead Up to £130k + Bonus

AI Augmented Engineering Lead London Office 3 days per week Up to £130k + Bonus Our client, a leader in Financial Services, is looking for an AI-Augmented Engineering Lead responsible for integrating AI-driven solutions into engineering practices to improve developer productivity, ...

AI Augmented Engineering Lead Up to £130k + Bonus

AI Augmented Engineering Lead London Office 3 days per week Up to £130k + Bonus Our client, a leader in Financial Services, is looking for an AI-Augmented Engineering Lead responsible for integrating AI-driven solutions into engineering practices to improve developer productivity, ...

x2 Senior Developer

Senior Developer – SQL / Full Stack / Systems Integration Location: Bristol (East) | Mainly office-based Type: Permanent We’re working with a growing digital agency that is putting together a new systems and integrations team for a major long-term client proj ...

Senior Analyst, Marketing Enablement

About the Role We are seeking a hands‑on Salesforce Marketing Cloud (SFMC) practitioner to join our marketing enablement team as a Senior Analyst, Marketing Enablement. The role delivers personalised, data‑driven customer experiences across digital channels using SFMC, Account Engagement and Marke ...

IT Process Developer

IT Process Developer required by a market-leading, award-winning professional services organisation based in Central Bristol. This is a hybrid role with 2 days per week onsite, offering flexibility. This role sits within an Agile delivery team focused on driving business efficiency, automati ...

QA Automation Tester London in London Quant Capital

Team Structure and Tech Stack The development team consists of 8 individuals including a project manager and a business analyst. Angular.JS Java J2EE Linux JSP Maven Hibernate JavaScript JQuery <li ...

Machine Learning Software Engineer in London Aquent

Machine Learning Software Engineer London, United Kingdom Posted 9 months ago Tech stack Frontend Backend Python PyTorch Software Engineer Computer Science React JavaScript Machine Lear ...

Software Engineer in Exeter digiLab

Software Engineer Exeter, United Kingdom Posted 10 months ago Tech stack JavaScript AWS UI/UX design STEM TypeScript Frontend React PyTorch Software Engineer CSS HTML5 ...

Salesforce Developer: Apex, API & AppExchange

Java Script Works in the United Kingdom is seeking a Salesforce Developer to join their team in a full-time capacity. The ideal candidate will thrive in a product-led, high-growth business environment and should have proficiency in JavaScript and various frameworks such as React, Angular, and Vue.js. T ...

React Java Developer in Northampton Adecco

Salary: £45,000 - 70,000 per year Requirements: Strong development experience in Java (particularly Spring Boot). Proficiency in React.js (with Redux or Context API). Solid understanding of RESTful APIs and backend integration. Expertise in HTML5, CSS3, and modern ...

Data Architect Fintech in London Quant Capital

Data Architect Fintech London, United Kingdom Posted 11 months ago Tech Stack RabbitMQ Powershell Windows Selenium JQuery JavaScript Angular C PostgreSQL ASP.NET Rea ...

Engineering Manager in London Mindera

Engineering Manager London, United Kingdom Posted 10 months ago Tech Stack Node.js React JavaScript Next.js TypeScript Nice-to-Haves Familiarity with frontend technologies such as React, Next.j ...

Cloud‑Native Software Engineer – AWS, .NET & TypeScript

TP ICAP Group Services Ltd is looking for a Full Stack Engineer to contribute to the Fusion Platform, partnering with AWS. In this role, you’ll develop backend services and APIs utilizing modern architecture and cloud-native technologies, ensuring high-quality code through testing and documentation. Th ...

Software Engineer Vulnerability Management in London Starling Bank

Software Engineer - Vulnerability Management London, United Kingdom Posted 9 months ago Tech stack Vue.js TypeScript JavaScript Qualifications Interest in Cyber Security, specifically Vulnerability Management Famili ...

Copy of Senior Full Stack Software Engineer Payments in Windsor Neilson Financial Services

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelin ...

Copy of Senior Full Stack Software Engineer Payments in Windsor Neilson Financial Services

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelin ...

Copy of Senior Full Stack Software Engineer Payments in Windsor Neilson Financial Services

Required QualificationsSenior level software engineering competency, with strong full-stack experience.Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL).Proven experience developing APIs and UI components in distributed systems.Experience working with pipelines ...

Remote Fullstack Engineer Avatars & Generative Media

Synthesia, the leading AI video platform, is seeking a Full-Stack Developer in Greater London. You will work on end-to-end product features in the Avatars and Generative Media domain. Ideal candidates are experienced in building full-stack features, collaborating with cross-functional teams, and comfortable in 0 ...

Remote Fullstack Engineer Avatars & Generative Media

Synthesia, the leading AI video platform, is seeking a Full-Stack Developer in Greater London. You will work on end-to-end product features in the Avatars and Generative Media domain. Ideal candidates are experienced in building full-stack features, collaborating with cross-functional teams, and comfortable in 0 ...

AWS Cloud Full Stack Engineer eSC or eDV Clearance required

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Full Stack Engineer eSC or eDV Clearance required

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Full Stack Engineer eSC or eDV Clearance required

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

AWS Cloud Full Stack Engineer eSC or eDV Clearance required

**Introduction**At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Remote Full Stack Tech Lead – SC Cleared, Java/Spring/AWS

A tech consulting firm is seeking a Lead Full Stack Tech Lead to provide technical leadership across agile delivery teams. The role requires active security clearance and offers a 12-month remote contract. Responsibilities include setting engineering standards, mentoring engineers, and ensuring architectural ali ...

Mid Senior Full Stack .NET Engineer (Blazor, Azure, CI/CD)

A technology company in the Greater Bristol Area is looking for a Full Stack .NET Developer to enhance their software platform. This role requires a minimum of 3 years of experience in .NET development and skills in C#, HTML, and CSS. The candidate will work collaboratively in an Agile team, focusing on building ...

Full Stack Product Engineer — Own End to End AI Features

REalyse (UK) is looking for a Full-stack Engineer to take ownership of full-stack product features from idea to production. The role requires strong capabilities in TypeScript, React, Golang, and API integration, as well as the ability to handle ambiguity and drive projects to completion. You'll collaborate clos ...

Senior TS Full Stack Engineer AI Driven E commerce Platform

Threecolts LLC is seeking a Full-Stack TypeScript Developer to enhance their AI-driven e-commerce platforms. The role involves driving technical decisions, designing scalable applications, and collaborating with product teams to improve user experience. Ideal candidates should have at least 6 years of ...

Senior Full Stack Engineer: End to End AI Product Builder

Improbable is seeking a Senior Full Stack Engineer to work on diverse product development from consumer-facing applications to internal tooling. You will collaborate closely with leadership teams to design and prototype initial versions of products, ensuring a hands-on strategic approach. The role requ ...

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