44,130+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Remote Senior Java Engineer – AI Driven Trading Platform

Harvey Nash Group is seeking a Senior Java Engineer to join their team to modernise legacy services using advanced AI tools. This fully remote role offers a competitive salary of up to £120,000 along with a bonus (c25-35k) and pension. Ideal candidates will have experience in Java back-end software eng ...

Lead Java Software Engineer in FX Payments tech

Job Description Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you'll help build trusted solutions that power global transactions. You'll have the opportunity to grow your skills, collaborate with talented colleagues, and contr ...

Senior Data Platform Engineer Java/Python, Risk Tech

A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

Senior Backend Engineer – Java, Cloud, Multi‑Team Leader

Capital One is looking for a Staff Software Engineer - Back End to drive the technical strategy and lead multiple teams in their London office. You'll own significant business outcomes while fostering engineering excellence. This role includes mentoring engineers and ensuring alignment with business ob ...

Senior Software Engineer II GraphQL/Java Spring Flexible

LexisNexis Risk Solutions is seeking a Senior Software Engineer II (Java / Spring) to build scalable, high-performance data-driven applications. You'll work on the Search and AI Platform, delivering innovative solutions that accelerate scientific discovery. The ideal candidate has expertise in Java, Sp ...

Senior Backend Engineer – Java/Spring Boot & Scalable Systems

Aristocrat in the City of Westminster seeks a Senior Software Engineer (Backend) to design and build scalable cloud-based services using Java and Spring Boot. This role demands strong technical execution, system design capabilities, and mentoring experience. Candidates should have 5–8+ years in software developm ...

Senior QA Automation Engineer (Java) — Drive Quality & Growth

Emergn is seeking a Senior QA Automation Engineer to ensure product quality and reliability. You will work within an agile team, creating and maintaining test suites, performing both manual and automatic testing, while leveraging your experience in automation testing. The ideal candidate has at least 5 ...

Senior Backend Engineer (Java) — Hybrid London, Scale & Impact

Rightmove is looking for a Senior Backend Engineer to join their team in London. This role involves designing innovative solutions and integrating third-party platforms to enhance our service delivery. The successful candidate will engage in meaningful projects that impact users significantly. You shou ...

Lead Modernization Engineer: Java/Node.js (On Site London)

Adecco is seeking a Lead Modernization Engineer with extensive experience in Java and Node.js to work in Wembley London. The role involves technical mentorship, ensuring coding standards, and optimizing applications for containerization. The ideal candidate will possess a strong understanding of CI/CD ...

Hybrid Backend Engineer — Java/Spring Boot on GCP

Sivara GmbH is seeking a Backend Engineer to join our team on a 6-month contract in London. This role requires developing scalable, customer-facing digital products and services primarily in Java and Spring Boot within a GCP environment. The ideal candidate will have strong commercial experience with J ...

Java Software Engineer for Scalable Apple Services Platform

Apple is looking for a world-class software engineer to design and build the software for our customer engagement platform in London. This pivotal role involves building secure systems and collaborating with cross-functional teams to enhance user experience. The ideal candidate will have a relevant deg ...

Senior Automation Tester Hybrid (SC Cleared) | AWS/Java

Sivara GmbH is looking for a Senior Automation Tester for a 6-month hybrid assignment in Manchester or Newcastle upon Tyne. The candidate will work three days per week on site, focusing on high-quality test coverage and collaboration across functional and non-functional areas. Candidates must have SC c ...

Hybrid Software Engineer Java/Spring, DevOps (4mo Contract)

Sivara GmbH is seeking a Software Engineer for a 4-month contract project in Stockport, operating on a hybrid basis. The role offers opportunity within a highly agile team and involves enhancing and delivering products using modern technologies like Java, Spring Boot, and Kubernetes. As part of an agil ...

Backend Engineer Java/Spring Boot for Scale & HA

Tria is seeking a Backend Engineer for a 6-month contract in London. This role focuses on developing scalable Java/Spring Boot services within a hybrid setup, requiring 1-2 days onsite. A strong background in building high-availability, high-traffic systems is essential. The successful candidate will w ...

Space Grade Real Time Software Engineer (C++/Java)

Capgemini Engineering in Stevenage is seeking a Software Engineer to design, develop, and integrate hardware-in-the-loop simulators. You will work closely with system engineering teams for successful test bench delivery used to validate spacecraft and rovers. This role requires excellent C++ and Java s ...

Hybrid Senior Java Engineer Build Scalable UCaaS Systems

hackajob is collaborating with Gamma to find a Senior Software Engineer in Newbury. In this role, you'll lead technical designs and practices while collaborating with teams to create high-quality, scalable software. The position offers a hybrid work model and great perks, including 25 days of annual le ...

Senior Java Engineer — On Site in Central Newbury

Sivara GmbH located in Newbury is looking for a Senior Software Engineer to develop reliable applications while ensuring high-quality delivery in a collaborative Agile environment. The role demands at least 5 years of experience with Java and deep knowledge of SQL, along with web technologies like JavaScript, ...

Lead Backend Engineer — Java/Kotlin, Cloud, London (Hybrid)

Synchro is hiring for an experienced Lead Backend Engineer to work with a prestigious bank or financial services organization in London. You will be hands-on, delivering code into production across various critical projects while collaborating with stakeholders. Ideal candidates have robust experience in Java ...

Senior AI Driven Reg News Engineer (Java/C#)

The London Stock Exchange Group is seeking a Senior Developer to join the Regulatory News Service team in London. You will utilize AI to improve user experience and reduce operational workload for both internal and external users. Your role will involve full lifecycle Agile development and engaging wit ...

Full Stack Software Engineer II — AWS, Java, GraphQL

Tripadvisor is seeking a Software Engineer II to join their team in Greater London. This full-stack role involves working on backend systems while also having opportunities to engage in front-end projects. The position embraces a remote-first working model and facilitates periodic in-person gatherings ...

Senior Software Engineer Regulatory News (AI/C#/Java)

ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide ...

Senior Java/Kotlin Engineer Remote, Equity, AI augmented

Malt is looking for an experienced Senior Software Engineer to lead innovative software projects and work collaboratively with product teams. You will drive the technical decisions and own features from beginning to deployment, working predominantly with Java and Kotlin. The role offers a strong remote ...

Senior Software Engineer Rust/Cpp/Java/Python | Equity

Job Search Place Limited is seeking a Senior Software Engineer proficient in Rust, C++, Java, or Python for their London office. The role involves designing and building core software platforms, collaborating with users, and interfacing with autonomous systems. With a competitive salary package up to £ ...

Senior Full Stack Dev (Android/Java) – Fintech, Hybrid

Trust Payments is looking for an experienced Senior Software Developer to join our Trust Retail team in a hybrid role based in Bournemouth. You will develop solutions for retail, EPOS, stock management, and customer engagement while ensuring robust application quality. The successful candidate will hav ...

Senior Software Engineer II GraphQL/Java Spring Flexible

Overview LexisNexis Risk Solutions is seeking a Senior Software Engineer II (Java / Spring) to build scalable, high-performance data-driven applications. You'll work on the Search and AI Platform, delivering innovative solutions that accelerate scientific discovery. Responsibilities ...

Senior Software Engineer Java Engine by Starling (IT)

Overview At Engine by Starling, we are on a mission to find and work with leading banks worldwide who have the ambition to build rapid growth businesses on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ag ...

Senior Lead Java Engineer Low Latency Risk Platform

LSEG is looking for a Lead Software Engineer to join their World Check One team in Nottingham. This role demands an experienced engineer who can lead the design and development of low-latency screening systems while collaborating with various stakeholders. The individual will play a critical role in driving a ...

Senior DevOps Engineer Java/Spring, AWS & CI/CD

Expleo Group is looking for a software engineer based in Manchester, specializing in Java and Spring. The role entails delivering scalable software and driving DevOps best practices in a collaborative environment. The ideal candidate will have strong experience with AWS, CI/CD pipelines, and various da ...

Lead Java Software Engineer in FX Payments tech

JOB DESCRIPTION Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you'll help build trusted solutions that power global transactions. You'll have the opportunity to grow your skills, collaborate with talented colleagues, and contr ...

Senior Java Engineer – Cloud Microservices & DevOps (Cardiff Onsite)

Amber Resourcing Ltd in Cardiff is seeking a Senior Java Engineer to deliver complex, enterprise-scale solutions in an Agile environment. This position offers a salary of £60,000 to £75,000 plus benefits and requires attendance in Cardiff four days per month. The ideal candidate should have strong Java ...

Java Full Stack Engineer Senior Consultant Digital Excellence

ROLE DETAILS SBU - Invent, CU - Business Technology, Global Grade - C At the company Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting‑ed ...

Senior SRE: Java/Python for Secure Collaboration Platforms

A global financial services firm is seeking a Site Reliability Engineer III to lead the integration of collaboration platforms like Microsoft 365 B2B and Google Workspace. The role includes managing secure external sharing solutions and ensuring platform reliability. Candidates should have a BS/BA and hands-on e ...

Senior Big Data Engineer — Java/Scala, Data Lake

COLLAB. Recruitment Ltd is seeking a Senior Software Engineer specializing in Big Data within Greater London. The role requires deep Java and Scala programming skills, with emphasis on TDD and BDD methodologies. Candidates should have solid experience in concurrent and asynchronous design as well as a clear u ...

Lead Java AI Engineer: AWS, Data & Agentic AI

JPMorganChase is seeking a Lead Software Engineer to design and deliver cutting-edge technology products that transform business operations. You will develop advanced AI and data engineering solutions and support critical business objectives. The ideal candidate possesses deep expertise in software ...

Senior Java Engineer – Cloud Microservices & DevOps (Cardiff Onsite)

Amber Resourcing Ltd is looking for a Senior Java Engineer in Cardiff to join a team focused on complex, enterprise-scale solutions. The position requires Java and Spring Boot expertise, along with knowledge in CI/CD, Docker, and Kubernetes. You will contribute to architecture while building scalable a ...

Java/Clojure Software Engineer — OTC Derivatives Data Platform

S&P Global, Inc. is looking for a Java/Clojure Engineer in London. You will develop and enhance applications, work closely with product specialists, and maintain high software standards. Ideal candidates have a Bachelor's degree in Computer Science and around 3 years of experience in Java platforms. Th ...

Principal Java Engineer – Payments & Cloud Lead (Hybrid, 6m)

Mindera is seeking a Principal Java Engineer in Greater London, England, for a 6-month contract outside IR35. You will be working in a friendly and welcoming team focused on developing secure, high-volume payment services. The role includes leading technical discussions, developing integrations with pa ...

Full Stack Java Engineer (Hybrid, Bristol) | Security Cleared

CACI Limited is seeking a Full Stack Software Engineer to join their National Security Government team in Bristol. This position involves implementing software solutions and providing technical leadership on various projects. The ideal candidate has experience with Java and AWS, along with a commitment ...

Lead AI & Data Engineer — Java, AWS, Agentic AI

JPMorganChase is seeking a Lead Software Engineer to join their Commercial & Investment Bank team in Glasgow, Scotland. This role involves designing and delivering advanced AI and data engineering solutions with a focus on stability and security. You will collaborate with cross-functional teams to drive innov ...

Mid Level Core Java Engineer: Build Scalable Systems

Fusion Health is looking for an experienced Java Engineer to expand their core engineering team based in London. The ideal candidate has over 3 years of experience in Java programming, strong knowledge of algorithms, data structures, and web architectures. You will contribute to all phases of the devel ...

Java Fullstack Engineer Financial Crime in Glasgow Barclays

Java Fullstack Engineer - Financial Crime Location: Glasgow, United Kingdom Posted about 1 year ago Job Overview Join our dynamic Technology team as a Java Fullstack Engineer at AVP level and be involved in shaping the future of financial crime prevention through ...

Software Engineer III Low Latency Java and Kafka

Be an integral part of a team that's constantly pushing the envelope to enhance, build, and deliver cutting‑edge technology products. Join JPMorgan’s Liquidity and Account Solutions Technology team and be part of a dynamic group dedicated to delivering innovative technology products. We are seeking ...

Senior Test Engineer Java Automation & CI/CD (London)

LinuxRecruit is looking for a Senior Test Engineer to join their team in London. The ideal candidate will have a solid understanding of automation and a strong preference for coding in Java. This full-time position offers a competitive compensation package ranging from £70K to £80K. The role will involve working ...

Senior Java Platform Engineer | Spring Boot, K8s, Cloud

NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience in CI/C ...

Lead Java Software Engineer in FX Payments tech

Job Description Join us to shape the future of payments technology and make a real impact on your career. As part of our agile team, you’ll help build trusted solutions that power global transactions. You’ll have the opportunity to grow your skills, collaborate with talented colleagues, and contr ...

Java Backend Engineer (Mid/Senior) – Spring, REST, Kafka

Rockstar Games is seeking a passionate Software Engineer with a strong background in Java backend development for a full-time role in Dundee, Scotland. The position involves designing solutions for game development challenges and collaborating with teams across worldwide studios. The ideal candidate wi ...

Senior C++/Java FX Platform Lead – Low Latency

SwiftCruit is seeking a Lead Software Engineer who will be responsible for designing and building mission-critical FX market infrastructure using C++ and Java. The role emphasizes technical leadership while delivering robust solutions to complex problems. As a senior individual contributor with 10+ yea ...

Backend Engineer (Java) for Scalable, Cloud‑Native Systems

Dormont Manufacturing Co is seeking a Backend Engineer to collaborate within the Symphony engineering group. The role emphasizes Java development and operational excellence in a multi-cloud environment. Responsibilities include architecting backend services and supporting automation in deploying Sympho ...

Full Stack Java Spring + Angular Engineer (London Hybrid)

Computer Futures is seeking a skilled engineer for a hybrid role in London focused on building scalable, cloud-native applications. You will be responsible for developing full stack applications using Java Spring Boot and Angular, as well as implementing microservices and REST APIs. This 12-month contr ...

T24 Migration Engineer TAFC to TAFJ, Oracle/Java

VIQU IT Recruitment in the United Kingdom is seeking a T24 Migration Engineer to lead and support migration activities across complex environments. This hands-on role requires experience with Temenos T24, including database migration and TAFJ architecture. The position involves performance tuning, envi ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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