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

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Product Engineer (up to £100k)

Company Overview This company created the digital sales room category. Thousands of B2B revenue teams, from startups to enterprises, use their interactive spaces to centralise buyer journeys and close deals faster. They've achieved significant product-market fit at the Seed stage, backed by leadi ...

Software Engineer DevOPs

About UsWe are a med-tech company leveraging cutting-edge AI to build scalable, regulatory-grade tools for video-based motor assessments. As part of our growing technical team, we’re looking for a highly capable and motivated DevOps Engineer to design, build, and maintain our cloud infrastructure and deployment ...

Senior Security Engineer (AI & DevSecOps)

Senior Security Engineer (AI & DevSecOps) at iProov About iProov iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-w ...

Web Frontend Developer £400/ Outside IR35 / Working from Home

Web Frontend Developer - £400/ Outside IR35 / Working from Home Senior Frontend Web Developer £400 per day (6 Months+ / Option of working from Remote / Outside IR35) Greenfield project! Opportunity to work in a small team to build a design and engineer a web application that will sit at t ...

Finance Manager: Modelling & Strategic Insight

A leading residential developer in the UK is seeking a Finance Manager to join their Finance team. The role involves preparing financial reconciliations, assisting in forecasts, and providing insights to support strategic decisions. Candidates should have qualifications such as CIMA or ACCA and excel in financia ...

DevOps & Platform Engineer (AWS / CI/CD)

Description Agilent’s CrossLab Connect team is seeking an expert-level DevOps Software Engineer to design, build, and optimize CI/CD pipelines, cloud infrastructure, and deployment automation across a hybrid cloud and on-premise ecosystem.This role combines DevOps engineering, clou ...

Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000)

Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000) Product AI Engineer Jobs in UK 2026 (GBP 100,000 to 170,000) A high impact opportunity is available in London, England, United Kingdom, for a Product AI Engineer. This role offers experienced engineers the chance to build advanced ...

Lead Software Engineer

Lead Software Engineer Locations: Glasgow or Edinburgh (must be willing to travel to client sites throughout the UK on an ad hoc basis). Salary: Competitive salary and package (Depending on level of experience). Please Note: Any offer of employment is subject to satisfactory BPSS ...

Software Architect (M365)

We are seeking a highly skilled and experienced M365 Architect to join our dynamic team. The ideal candidate will have a strong background in Microsoft full stack technologies, including Exchange, Intune, Security, SharePoint, OneDrive, Teams, Copilot Studio , Power Platform, and Dataverse. As an Ar ...

Java and Typescript Engineer

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with p ...

Java and Typescript Engineer

We are looking for a Staff Full-Stack Engineer to take technical ownership across backend and frontend development, shaping high-quality, scalable solutions and setting engineering standards for the team. This role combines hands-on delivery with technical leadership, mentoring, and close collaboration with p ...

Vice President, Site Reliability Engineering

Vice President – Site Reliability Engineer – London BNY is seeking a Vice President – Site Reliability Engineer to design, build, deploy, and scale resilient, automated, and centrally managed engineering solutions for Production Services. This role is ideal for a strong full‑stack engineer who co ...

Senior Test Automation Engineer

Test Automation Engineer Belfast | Hybrid | Permanent At a Glance Role: Test Automation Engineer Location: Belfast (Hybrid) Employment type: Permanent, full-time Stack: Playwright ...

Intern Tech (Visiting)

Why this matters nowAI is rewriting how software gets built. But shipping still breaks on testing. Engineering leaders are desperate to release faster without dropping quality, and they can't get there with manual QA or brittle test automation.Here' ...

Senior Software Engineer Identity & Authentication

Project ContractorProject ContractorAbout the RoleIn the European Client Identity team, we are building and operating Vanguard's authenticationand MFA platform used by hundreds of thousands of clients across the UK and Europe.This is a hands-on senior full-stack role focused on designing ...

Senior Software Engineer Identity & Authentication

Project ContractorProject ContractorAbout the RoleIn the European Client Identity team, we are building and operating Vanguard's authenticationand MFA platform used by hundreds of thousands of clients across the UK and Europe.This is a hands-on senior full-stack role focused on designing ...

Intern Tech (Visiting)

Why this matters nowAI is rewriting how software gets built. But shipping still breaks on testing. Engineering leaders are desperate to release faster without dropping quality, and they can't get there with manual QA or brittle test automation.Here' ...

Intern Tech (Visiting)

Why this matters nowAI is rewriting how software gets built. But shipping still breaks on testing. Engineering leaders are desperate to release faster without dropping quality, and they can't get there with manual QA or brittle test automation.Here' ...

Head of CRM

Senior Recruitment Consultant - Digital and Marketing Analytics at Harnham HEAD OF CRM – SOLUTIONS ARCHITECT LONDON – HYBRID 2X A WEEK Must be a UK resident and have full right to work to apply. About the Business A high‑growth ...

React Frontend Engineer for Cybersecurity UI

A fast-growing UK cybersecurity company is seeking a Frontend Developer (React.js) to build modern, responsive, and secure web interfaces for their customer platform. The ideal candidate has over 3 years of frontend development experience and is skilled in React, Redux, and GraphQL. This full-time role involves ...

Hybrid Power BI & Snowflake Engineer – London

A leading financial services firm in London seeks a Power BI Developer to enhance their data platform utilizing Snowflake for storage and Power BI for reporting. Successful candidates will need robust skills in BI development, snowflake architecture, and collaborative project management. This full-time role requ ...

AI Go to Market Engineer (UK)

Flosum is a Salesforce-native DevOps and data protection platform serving enterprise Salesforce teams across the Fortune 5000. We are in wartime. Pipeline generation, retention, and product velocity are our three highest-priority problems, and AI is the lever that accelerates all three. We are hiring our firs ...

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 ...

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 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 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 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 ...

AI Engineer

We’re on a mission to back the UK’s small businesses like no one else Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, we have ...

Senior Front End Engineer (£80k £100k + Bonus) in London Practi

What competencies are we looking for? Effective communication, collaboration and leadership skills Strong understanding of TypeScript and JavaScript Strong understanding of browser technologies Strong understanding of the React ecosystem Good understanding of UX and ...

Graduate Software Engineer Night Shifts in London Graduate Recruitment Bureau

Job Responsibilities Working with clients to develop, test, and support their new and existing software products. Duties to Include: Developing high quality Java code Getting involved in design discussions about system architecture and object-oriented desig ...

Software Development Team Lead in Bracknell Spectrum It Recruitment Limited

Preferred Experience If you have experience with any of the following, it will be advantageous: Latest versions of .NET AI and Machine Learning JavaScript, TypeScript, and associated frameworks Containers, Docker, Kubernetes NoSQL databases </ ...

Java Software Engineer (Energy Sector)

Get AI-powered advice on this job and more exclusive features. This range is provided by Dexter Talent. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Dexter Talent Do ...

Engineering Team Lead

Engineering Team Lead Company Description: Fast-growing hospitality tech SaaS Job Description: You will lead a high-impact engineering squad focused on building sophisticated forecasting and decision-support tools. This hands‑on leadership role involves balancing technical ...

Observability Engineer Dynatrace

Observability Engineer Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: Mandated PAYE only Role Description: As an Observability Engineer, you will be responsible for designing, implementing, and supporting mo ...

Observability Engineer

Observability EngineerRate: £598 Clearance Required: SC Eligible Duration: 6 months Location: Telford - 2 days min per month IR35 Status: InsideRole Description: As a Dynatrace/Observability Engineer, you will be responsible for designing, implementing, and supporting monitoring s ...

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 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 ...

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 ...

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 ...

Lead Software Engineer AM/UX

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Markets Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technolo ...

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