36,378+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Full Stack Engineer

About Algo1We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our mission is to bring the intelligence of modern machine le ...

Software Engineer, IAM Stores Security

DescriptionBuild the libraries, collection infrastructure, and streaming systems to make security observable across all of Amazon - capturing billions of events per second. We're hiring SDEs to work on internal frameworks, build ingestion pipelines, and own end-to-end platforms that power threat detection an ...

Software Development Engineer, Prime Video Website Team

DescriptionJoin Prime Video to deliver the vision of being the one-stop destination for entertainment, and solve challenging and rewarding problems for the customers across the world. You will join one of the core client teams in Prime Video, and directly deliver new and exciting experiences for the millions ...

Product Reliability Engineer

DescriptionHi 👋 I'm Anca, Head of Developer Support.We're a high-growth HR tech company building and selling software that helps in-house recruitment teams attract, hire, and onboard the right talent. Today, we have a strong foundation in place, with a mature product, rapid g ...

Staff Software Engineer

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer exper ...

Staff Software Engineer

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer exper ...

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 ...

Principal and Senior Frontend Engineers

Enso Recruitment is delighted to be currently working with a Belfast based team who are actively recruiting for a number of Principal and Senior Frontend Engineers . This is an exciting opportunity to join a growing engineering team , where you'll play a key ...

Senior Front End Developer (React.JS Essential)

We're looking for an experienced Front End Engineer to join our clients Engineering team, to help delivery of our digital roadmap, develop our people and capabilities, and support Engineering strategy to drive improvements across all teams. This is a fantastic opportunity to work in a product ...

Senior Full Stack Engineer

Salary: £70,000 - 75,000 per year Requirements Strong commercial experience with React, NodeJS, and MongoDB Exposure to React Native or mobile development experience Proven background as a Full Stack Engineer Experience mentoring or supporting j ...

Lab Automation Scientist in Slough Lonza

Lab Automation Scientist Slough, United Kingdom Posted 10 months ago Tech Stack Automation Python APIs R Java high-throughput Responsibilities Write or edit automation scripts (e.g., ...

Camunda 8 Engineer

Camunda 8 EngineerLocation: London, UK / HybridEmployment Type: Full-time / ContractExperience Level: Mid–SeniorRole Overv ...

Camunda 8 Engineer

Camunda 8 EngineerLocation: London, UK / HybridEmployment Type: Full-time / ContractExperience Level: Mid–SeniorRole Overv ...

Sr. Applied Scientist, Alexa International

DescriptionThe Alexa International Science team is looking for a passionate, talented, and inventive Senior Applied Scientist with a strong background in speech models (understanding and generation) and deep learning, to help build industry-leading Generative AI technology with speech-to-speech models and mu ...

T Level in Digital T Level Examiner

**What are T Levels?**T Levels are new courses coming in September 2020, which will follow GCSEs and will be equivalent to three A levels. These two-year courses have been developed in collaboration with employers and businesses, so that the content meets the needs of industry and prepares students for work. ...

Senior Full Stack Engineer

Applicants must be authorized to work for any employer in the country in which the role is being hired. We are unable to sponsor or take over sponsorship of an employment visa at this time. Mark43 is a public safety technology company trusted by over 200 police forces worldwide. We build cloud-nati ...

Senior Fullstack Engineer in London Track24

Availability and Scalability of Software Systems Requirements Strong experience with backend, frontend, and mobile development with Node, React/React Native, and PHP Experience with project management tools such as Jira or Linear Experience with cloud computing ...

Naimuri Frontend Software Engineer in Manchester QinetiQ

Qualifications Proven professional experience as a Frontend Software Engineer or similar role (3-4+ years). Strong proficiency in JavaScript (ES6+), TypeScript. Expertise in React. Solid understanding of web markup, including HTML5 and CSS3. Experience with respons ...

Senior Frontend Engineer in Belfast Ocho

Senior Frontend Engineer Belfast, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack Responsive SOLID ECMAScript 6+ TypeScript Frontend React JavaScript HTML5 CSS Salary £65,000 - 65,000 per year ...

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 ...

Cloud Platform Engineer LinuxRecruit

Overview Technical Skills and Experience: Build infrastructure as code with Terraform and solve complex platform issues with Go/Python/Java. You understand what an SRE is and DevOps principles. Qualifications Experience with infrastructure as code using Terraform Prof ...

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 ...

Senior Full Stack Engineer

Who we are We’re IAG Loyalty - one organisation with two ambitious, growing divisions across Loyalty and Holidays. Each has its own goals, strategy and team, but together we’re united by a shared vision to create a more rewarding world of travel and experiences. Our Loyalty division is ho ...

Staff Software Architect EU Remote (CET)

Java Script Works is seeking a Staff Software Architect for a full-time role. This position requires a strong working knowledge of web development technologies such as Java, JavaScript, and Python. The role is designed for candidates who can measure and improve the performance of distributed systems, and have ...

Senior Front end Developer / Software Engineer

Overview Senior Front-end Developer / Software Engineer – Location: Uxbridge, London. Visa Sponsorship Offered. About the Company Still in stealth mode, we are set to innovate, revolutionise and disrupt a multi-billion-dollar security market with a totally new hardware and software ...

Senior Python Developer Newcastle Upon Tyne

Salary: £90,000 - 90,000 per year Requirements We require commercial software development experience. We require practical experience in system design, development, testing, and operational stability. We require deep knowledge and experience in Python and ...

Full Stack Software Engineer (UK)

Quantios is a leading provider of software solutions for the trust administration and corporate services industry. With over 30 years of experience, we empower our clients with innovative technology that enhances governance, operations, and investment on a global scale. At Quantios, we are committed to foster ...

Full Stack Software Engineer (UK)

Quantios is a leading provider of software solutions for the trust administration and corporate services industry. With over 30 years of experience, we empower our clients with innovative technology that enhances governance, operations, and investment on a global scale. At Quantios, we are committed to foster ...

Full Stack Software Engineer (UK)

Quantios is a leading provider of software solutions for the trust administration and corporate services industry. With over 30 years of experience, we empower our clients with innovative technology that enhances governance, operations, and investment on a global scale. At Quantios, we are committed to fos ...

Director, Engineering Excellence (AI Platforms)

**The Role** We are seeking an experienced Senior Engineering Manager to lead the delivery of high‑impact Engineering Excellence platforms, with a strong emphasis on Generative AI, modern engineering practices, and scalable software delivery. This role blends hands‑on technical leadership with building ...

Platform Engineer Broadcom Site minder

2 days ago Be among the first 25 applicants Direct message the job poster from Lorien Sourcing Partner specializing in IT Recruitment at Lorien with Business Management expertise Location: Knutsford - Onsite 2/3 days a week Duration: 31/12/2025 ...

VCARB F1 Team Senior Software Developer

Visa Cash App Racing Bulls F1 Team is one of two Red Bull-owned F1 teams.Today’s Formula 1 calls for a high level of specialist skills in every area. At Visa Cash App Racing Bulls F1 Team we strongly believe that every member of our staff can and should lead innovation and continuous improvement in suc ...

VCARB F1 Team Senior Software Developer

Visa Cash App Racing Bulls F1 Team is one of two Red Bull-owned F1 teams.Today’s Formula 1 calls for a high level of specialist skills in every area. At Visa Cash App Racing Bulls F1 Team we strongly believe that every member of our staff can and should lead innovation and continuous improvement in suc ...

Software Engineer

A leading global technology organisation is seeking a Full Stack Engineer with strong, practical experience across Java (Spring Boot) and Angular (17+). You’ll join a high‑performing, cross‑functional engineering team building modern, cloud& ...

Automation Test Engineer

Java Automation Test EngineerContract: 12‑month Fixed Term Contract (Potential Permanent Conversion)Locations: NewcastleExperience Level: 1-3 Years About the Opportunity</h ...

Automation Test Engineer

Java Automation Test EngineerContract: 12‑month Fixed Term Contract (Potential Permanent Conversion)Locations: NewcastleExperience Level: 1-3 Years About the Opportunity</h ...

Senior JVM Data Connector Engineer (Remote)

Clickhouse is seeking a Senior Software Engineer specializing in Java Streaming and Connectors. This role is focused on developing high-quality data integration systems and involves working closely with the open-source community as well as internal teams. The ideal candidate will have over 6 years of e ...

Senior JVM Data Connector Engineer (Remote)

Clickhouse is seeking a Senior Software Engineer specializing in Java Streaming and Connectors. This role is focused on developing high-quality data integration systems and involves working closely with the open-source community as well as internal teams. The ideal candidate will have over 6 years of e ...

Computing Teacher Independent Boys’ School in Brent in London Perham Education Partnership

Computing Teacher – Independent Boys’ School in Brent London, United Kingdom Posted 12 months ago Tech Stack C Java Python Responsibilities Develop students’ programming and problem‑solving skills Suppor ...

Lead Web Engineer

🌱 Genki means healthy, energetic, and full of spirit. That's us.🚀 We're a fully remote, profitable startup of about 25 people, five years in and growing steadily.🌍 We build tailored health insurance for long-term travelers like digital nomads, serving over 75,000 people in 200 countries.<p ...

Junior Software Engineer

DescriptionAt Wealth Wizards our vision is a future where everybody in society has access to financial advice and guidance. Our Software as a Service (SaaS) platform provides engaging digital experiences for consumers and powerful tools for financial advisers.We welcome individuals from all ...

Lead Web Engineer

🌱 Genki means healthy, energetic, and full of spirit. That's us.🚀 We're a fully remote, profitable startup of about 25 people, five years in and growing steadily.🌍 We build tailored health insurance for long-term travelers like digital nomads, serving over 75,000 people in 200 countries.<p ...

Principal Engineer CPTO, BPL

Principal Software Engineer, Platform, BPL As an Engineering Lead in our Chief Product and Technology Office (CPTO) you’ll shape the architecture for tomorrow and mentor talented engineers, crafting elegant solutions for complex problems that millions depend on. In this role, you’ll help ...

Principal Engineer CPTO, BPL

Principal Software Engineer, Platform, BPL As an Engineering Lead in our Chief Product and Technology Office (CPTO) you’ll shape the architecture for tomorrow and mentor talented engineers, crafting elegant solutions for complex problems that millions depend on. In this role, you’ll help ...

Graduate Software Engineer

Job Description This role is hybrid, consisting of work from our offices and home, with home-working permitted most of the time and offices being used for meetings and team days. You will ideally be based in and around our Glasgow office.The Guardian Mobile solution is respo ...

Graduate Software Engineer

Job Description This role is hybrid, consisting of work from our offices and home, with home-working permitted most of the time and offices being used for meetings and team days. You will ideally be based in and around our Glasgow office.The Guardian Mobile solution is respo ...

Software Engineer III

Do you enjoy building and improving API platforms that support a wide range of users and applications? Would you like to collaborate with a team to design, develop, and enhance scalable solutions that deliver a great developer experience? About our Team We are the API Mana ...

Tech Practice Principal Web Tech Lead

Tech Practice Principal - Web Tech Lead Location: Hybrid: Client Site, AND Digital office, Remote. Proximity to Reading / Thames Valley is keyCore Tech: TypeScript, JavaScript, React, Next,Microsoft Azure. React Native familiarity a bonusAND Introduction ...

Tech Practice Principal Web Tech Lead

Tech Practice Principal - Web Tech Lead Location: Hybrid: Client Site, AND Digital office, Remote. Proximity to Reading / Thames Valley is keyCore Tech: TypeScript, JavaScript, React, Next,Microsoft Azure. React Native familiarity a bonusAND Introduction ...

Fullstack Engineer in London Axion Ray

Fullstack Engineer Location: London, United Kingdom Posted: over 1 year ago Tech Stack web Full-stack Backend React Frontend TypeScript Responsibilities Develop and maintain web application ...

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    Java React Developer Jobs in United Kingdom Job Search Guide, Trends and Insights