1,348,291+ Full Stack Javascript Developer Jobs in UK — Top Companies Hiring July 2026

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AI Engineer in Newark Future Prospects Group

AI Engineer Newark, UnitedKingdom Posted 9 months ago Tech stack Artificial Intelligence Skills Required Familiarity with data preprocessing, feature engineering, and model evaluation techniques. Familiarity with AI, machine ...

Senior Pipeline Engineer in London Epic Games

Senior Pipeline Engineer London, United Kingdom Posted 9 months ago Tech stack Python Distributed Computing Responsibilities Contribute to the evolution of our MetaHuman infrastructure architecture. Qualifications ...

Java Engineer in Burgess Hill American Express

Java Engineer BurgessHill, UnitedKingdom Tech stack Kotlin REST Java RESTful API Minimum Qualifications Minimum 4-5 years of professional experience in software development. Proficient in Java and/or K ...

Senior Applied Scientist, Computer Vision, Camera and Sensors in Cambridge Amazon

Senior Applied Scientist, Computer Vision, Camera and Sensors Cambridge, UnitedKingdom Posted 10 months ago Tech stack Computer Vision Python Java Basic Qualifications PhD Experience programming in Ja ...

Ruby on Rails Technical Lead — AI Driven Platform

Runtime Group Ltd is looking for a Senior Technical Lead (Ruby on Rails) to transform the automotive space with cutting-edge technology. This role offers a unique chance to step into a VP of Engineering position within a year. You'll lead engineering teams, ensuring delivery of scalable and maintainable syste ...

Splunk Infrastructure Engineer in Edinburgh NatWest Group

Splunk Infrastructure Engineer Edinburgh, United Kingdom Tech stack Python Shell Splunk Infrastructure The skills you’ll need To thrive in this role, you’ll need experience in software development or automation scripting, such ...

Software Engineer III Java/ Spring Boot in Glasgow JPMorgan Chase & Co.

Software Engineer III - Java/ Spring Boot Glasgow, United Kingdom Posted 9 months ago Tech Stack Java Spring Framework Spring Boot Amazon AWS Qualifications Formal training or certification on Java ...

Sr. Python Engineer in Edinburgh Addepar

Sr. Python Engineer Location: Edinburgh, United Kingdom Posted 9 months ago Tech Stack Python Amazon AWS Compensation: Competitive Role type: Full time Visa sponsorship: Not provided Responsibilites ...

Senior Frontend Engineer: AI Driven Data UI & Ownership

Sivara GmbH is looking for a Frontend Engineer / Full Stack Product Engineer based in the UK to enhance customer interactions with our software. This role emphasizes ownership of the frontend codebase and developing impactful customer-facing products. You will work closely with leadership, focusing on AI inte ...

Planner Planning team in London ICTS UK & IRELAND

Planner - Planning team London, United Kingdom Posted 9 months ago Tech stack React Build & Maintain Schedules Produce accurate monthly rotas for UK airport and corporate contracts. Solve Problems in Real Time React ...

Java Software Engineer

Sheffield | Hybrid | Long‑Term Contract | Global Financial Markets | £450+ A major global financial institution is looking for Mid‑Level and Senior Full Stack Engineers to join a high‑impact engineering function working on large‑scale, business‑critical platforms used across global markets. These ro ...

Software Engineer, Applied Artificial Intelligence (AI)

ABS is seeking an exceptional Software Engineer to join our Applied Artificial IntelIigence (AI) Practice Team. In this full-time role, you will design, build, and deploy intelligent systems that move beyond research into production at scale. You will focus on architecting and evaluating multi-agent systems, ...

Software Engineer, Applied Artificial Intelligence (AI)

ABS is seeking an exceptional Software Engineer to join our Applied Artificial IntelIigence (AI) Practice Team. In this full-time role, you will design, build, and deploy intelligent systems that move beyond research into production at scale. You will focus on architecting and evaluating multi-agent systems, ...

Junior Platform / System Engineer

Team / Role As a Platform Engineer, you will: Act as infrastructure SME for a 24x7x365 globally distributed ethical web scraping function, supporting a multi region high frequency operation Be able to proactively analyze, drive, and own, performance and process impro ...

Software Engineering Manager

Senior Engineering Manager - Hybrid - Surrey (1 office day per week) - Perm - £90-100K An excellent opportunity to be at the heart of a significant transformation within a legacy engineering team; creating a DevOps function and then leading the team through the transition and migration to a moder ...

Front End Engineer ITV Careers

Workplace: White City, London – Hybrid (minimum 2 days in the office per week) Core Front End Engineer We are looking for enthusiastic and experienced Front End Engineers to join our Streaming Viewer Technology team – a key driver of our objective to increase digital revenues and Monthly ...

Senior Fullstack Engineer Commerce Platform

The Subscriptions Mission builds and evolves the experiences and systems that allow millions of listeners to discover, subscribe to, and enjoy Spotify Premium. Our teams focus on awareness, acquisition, activation, retention, and commerce — ensuring seamless experiences that help fans connect more deeply w ...

Senior Frontend Engineer

We are seeking a Senior Front-End Engineer to help us redefine the music industry. We've invented a new technology to produce on-demand vinyl records and built a web platform for music creators to create and sell their products worldwide via our store at zero cost. We partner with leading record labels, st ...

Front End Engineer

The Role Core Front End Engineer We are looking for enthusiastic and experienced Front End Engineers to join our Streaming Viewer Technology team - a key driver of our objective to increase digital revenues and Monthly Active Users on ITVX. As a Core Front End Engineer, your foc ...

Senior Platform Engineer, WebExtensions

Senior Platform Engineer, WebExtensions at Mozilla Corporation Team: Firefox Locations: Remote France, Remote UK, Remote Germany, Remote Canada Why Mozilla?Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over th ...

ServiceNow Senior Technical Consultant (Derby)

Job Description:ServiceNOW Senior Technical ConsultantLocation: Hybrid role based in DerbySalary: Dependent on ExperienceDue to Security clearance requirements candidates must be UK nationals or sole British citizens and resided in the UK for 5 years ...

Senior Software Engineer Engineering Workflow and CI

Senior Software Engineer - Engineering Workflow and CI at Mozilla Corporation Team: Firefox Locations: Remote UK, Remote Finland, Remote Spain, Remote Sweden, Remote Netherlands, Remote Germany, Remote France, Remote Belgium To learn the Hiring Ranges for this position, please select your lo ...

Front End Engineer

Workplace: White City, London - Hybrid (minimum 2 days in the office per week)Core Front End EngineerWe are looking for enthusiastic and experienced Front End Engineers to join our Streaming Viewer Technology team – a key driver of our objective to increase digital revenues and Monthly Ac ...

ServiceNow Senior Technical Consultant (Derby)

Job Description:ServiceNOW Senior Technical ConsultantLocation: Hybrid role based in DerbySalary: Dependent on ExperienceDue to Security clearance requirements candidates must be UK nationals or sole British citizens and resided in the UK for 5 years ...

Senior Software Engineer Engineering Workflow and CI

Senior Software Engineer - Engineering Workflow and CI at Mozilla Corporation Team: Firefox Locations: Remote UK, Remote Finland, Remote Spain, Remote Sweden, Remote Netherlands, Remote Germany, Remote France, Remote Belgium To learn the Hiring Ranges for this position, please select your lo ...

Senior Platform Engineer, WebExtensions

Senior Platform Engineer, WebExtensions at Mozilla Corporation Team: Firefox Locations: Remote France, Remote UK, Remote Germany, Remote Canada Why Mozilla?Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over th ...

Principal Software Engineer, AI Innovation

**Job Title:** Principal Software Engineer, AI Innovation**Career Architecture Role:** Software Engineer**Career Architecture Tier:** E35 (Principal, Expert Track)**Job Summary:**This is a founding engineer role in a new, innovation-focused team being built from scratch within Pearson's Enterpris ...

Low Latency C++ Applications Engineer

LMAX Group is seeking a C++ Application Developer in Greater London to enhance our trading software focusing on performance and maintainability. This role offers a unique opportunity to work closely with other developers and tackle technical challenges in a collaborative environment. As a developer at ...

Senior Software Developer Algo trading in London Quant Capital

Senior Software Developer - Algo trading London, United Kingdom We are seeking a Senior Software Developer with experience in an Investment Bank or another financial institution. Experience and Skills Required Experience in an Investment Bank or another financial instit ...

Senior React Native Engineer Hybrid London Contract

N Consulting Limited is looking for a Senior React Native Developer to join their team on a hybrid work arrangement. The role requires a candidate with over 8 years of relevant experience in software development, specifically using React Native and TypeScript. The developer will engage in building and ...

Senior Engineer

Job Title Senior Engineer Location Bromley, London, UK Job Description We have an exciting opportunity for a Senior Developer to join as an FICC Rates eTrading Senior Developer within our FICC Macro Rates Electronic Trading Technology team to contribute to t ...

Senior Engineer

Job Title Senior Engineer Location Bromley Job Description We have an exciting opportunity for a Senior Developer to join as a FICC Rates eTrading Senior Developer within our FICC Macro Rates Electronic Trading Technology team to contribute to the evolution of ...

Engineering Manager, AI Models Infrastructure

London, England Intercom is the AI Customer Service company on a mission to help businesses provide incredible customer experiences. Our AI agent Fin, the most advanced customer service AI agent on the market, lets businesses deliver always‑on, impeccable customer service and ultimately tra ...

Senior Compiler Engineer

Cambridge, UK | Full-time | Permanent | HybridSalary: £70,000 to £90,000, DOE We will also consider part‑time applications for this role. Please indicate your preferred working schedule in your cover letter. We will consider a range of levels of experience, so apply for the role that best matc ...

Senior C# Engineer: Platform & Architecture Lead

Limelight Health is looking for a Senior Developer in the UK who will own the full software lifecycle and shape technical direction. You will design and deliver robust solutions in C# while influencing architectural decisions and mentoring other developers. This role offers real autonomy and ownership in a techn ...

Security Engineer

We're looking for a hands-on Security Engineer to join a growing security function within a specialist banking environment. This role offers a varied role where you can remain hands-on technical whilst having ownership over the technology stack. You will be reporting directly into the CISO and work ...

Technical Coordinator

Technical Coordinator – LondonWe are currently recruiting for an experienced Technical Coordinator on behalf of a leading UK Developer and Main Contractor. This is a permanent opportunity offering excellent career progression, long-term stability, and an attractive benefits package.Due to continued growt ...

Senior Python Engineer – Quantum Safe Cybersecurity

A global cybersecurity company is looking for a Senior Python Developer in Belfast. You will design and develop encryption intelligence solutions, build scalable systems, and collaborate across teams. This full-time role requires cloud experience and is suited for someone passionate about software development an ...

Senior Front End Architect React/TypeScript/Next.js

Java Script Works is looking for a Senior Front-End Developer to join their team in Southampton, United Kingdom. The ideal candidate will design and build modern, scalable front-end architecture using React, TypeScript, and Next.js. This full-time role involves close collaboration with back-end developers to del ...

C# .NET Software Engineer — Hybrid Banking, London

A major financial institution in London is seeking a Software Developer with expertise in C# .NET, SQL Server, and RPG. This full-time hybrid role involves developing software solutions, maintaining databases, and supporting system integrations. Ideal candidates have a background in Core Banking systems and exce ...

Senior Commercial Director, Offshore Wind & Project Finance

A major Offshore Wind Developer in London is seeking a Commercial Director to lead the development of large-scale Offshore Wind projects. The ideal candidate will have extensive experience in project finance and commercial functions in the renewable energy sector. This full-time role demands strong leadership in ...

Senior Software Engineer Fixed Income Trading

Senior Software Engineer - Fixed Income Trading Location London Business Area Engineering and CTO Ref # 10051840 **Description & Requirements** Bloomberg’s Fixed Income Trading systems offer end-to-end trading workflows including price disco ...

Quantity Surveyor

QS - MalmesburyChris Main Ltd is an independent recruiter. I specialise in the house building sector and have over 20 years of experience recruiting people at all levels across the UK.My client is a large developer who have a network of offices. They typically will build 500 units per year from t ...

Remote Senior Frontend Engineer London Plexus Resource Solutions Ltd

Salary £100,000 - 100,000 per year Requirements I am looking for candidates who have proficiency in React, Next.js, and TypeScript. You should have experience with CSS Modules, styled-components, or similar tools. Familiarity with testing frameworks such as J ...

Senior Ruby Engineer – AI Cyber Security

Job Description As a senior ruby backend engineer – · You’ll love software engineering · You’ll have deep experience in Ruby on Rails and want to work in it going forward · You’ll be cloud native and have an expertise of modern cloud practices in any of ...

Platform Engineering Manager Cloud & DevOps

Overview The team currently uses Kubernetes (EKS) and AWS. AWS technologies include: CloudFormation using Python Lambda DynamoDB Kinesis Data Streams S3 CloudFront CloudTrail CloudWatch Athena Grafana </li ...

Senior Ruby Engineer – AI Cyber Security

Job Description As a senior ruby backend engineer – · You’ll love software engineering · You’ll have deep experience in Ruby on Rails and want to work in it going forward · You’ll be cloud native and have an expertise of modern cloud practices in any of ...

Remote Lead Frontend Engineer for FinTech Platform

A mission-driven FinTech is seeking a Lead Frontend Developer to take full ownership of the customer-facing web experience. In this role, you will mentor talented engineers and craft fast, accessible, and engaging user journeys. Your deep expertise in modern frontend frameworks and passion for performance will d ...

Lead .NET & AI Engineer (Client Facing)

A market leader in AI solutions is seeking a well-experienced Lead Developer to join their innovative engineering team. You will provide technical leadership and engage directly with clients to gather requirements, ensuring that technical deliverables align with business needs. You should have strong expertise i ...

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