32,172+ 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

Senior Software Engineer, Ads Analytics & Data Pipelines

Roku, Inc. is looking for a Senior Software Engineer in Manchester, UK, to develop scalable APIs and manage big data solutions. Candidates should have 8+ years in software or data engineering, with skills in Apache Spark, Airflow, and a strong foundation in Java, Python, or Scala. The role requires collaboration ...

Delivery Engineer Python & Automation Specialist

Java Script Works is seeking a Delivery Engineer in Cambridge, United Kingdom. The ideal candidate will have a Bachelor's or Master's degree with a First or 2:1, preferably in a technical subject, and experience in scripting languages such as Python, Bash, JavaScript, Ansible, or SQL. This full-time ro ...

Senior Full Stack Engineer, Secured Access Platform

A leading tech firm in Greater London seeks a Senior Software Engineer to join the secured access engineering team. The role involves designing user-facing web security solutions and working with various stakeholders. Candidates should have at least 6 years of backend development experience and be proficient in ...

Cloud Data Engineer National Security (Security Cleared)

Sanderson Government & Defence is seeking a Senior Software Engineer specializing in National Security (Data Systems) in Gloucester. You will design scalable data processing solutions and lead the development of cloud-native systems to address critical security challenges. The ideal candidate will have ...

Global Cloud SRE: Observability & Automation

A global industrial technology leader is seeking a Cloud Site Reliability Engineer in Newcastle upon Tyne to lead an OTel-first strategy and manage an observability platform. This role involves optimizing platform performance using automation and Infrastructure as Code, collaborating with engineering teams, and ...

Senior Infra Engineer — Cloud‑Native Backend & CI/CD

A technology company in London seeks a Senior Software Engineer I for its Infrastructure Services team. The role involves designing and building core systems for backend services while ensuring scalability and reliability. Candidates should have strong programming skills in languages like Java, Go, or Python, an ...

Senior Software Engineer — Scale Robust, Secure Systems (Hybrid)

A fintech startup in London is searching for a Senior Software Engineer to implement robust systems for their rapidly growing app. The ideal candidate will have extensive experience with high-volume applications and proficiency in various programming languages, including Python and Java. This role includes hybri ...

Head of Analytics Engineering: AI Driven Pricing & Risk

The London Stock Exchange Group is seeking a Head of Analytics Engineering responsible for leading the strategy, design, and delivery of analytics products. This role involves ensuring scalability and production-grade quality of analytics capabilities in client workflows. Candidates should have a Maste ...

Senior Security Engineer: Secure, Scalable Apps

A leading global financial services firm is seeking a Software Engineer III to join their agile team in Bournemouth, England. The successful candidate will design and deliver trusted market-leading technology products. Responsibilities include developing secure production code, analyzing large data sets, and con ...

Frontend Audit Engineer & Analyst — Build Financial Apps

Goldman Sachs is seeking a Software Engineer to design and implement software solutions that enhance auditing services. The role includes collaborating with other engineering teams and requires strong communication skills, analytical thinking, and a background in Java development. Qualifications includ ...

Senior Full Stack Engineer eDV Cleared, Cloud

Frontier Resourcing Ltd is looking for eDV-cleared Full Stack Developers at various levels to join their engineering teams in the United Kingdom. This role offers a chance to develop high-quality software solutions that contribute to national security projects. The ideal candidates will have experience ...

Senior Endpoint DLP Engineer (Kernel/Go/C)

A leading cybersecurity firm based in London is seeking a Senior Software Engineer to develop and enhance the FortiDLP endpoint agent. The role involves implementing new features, maintaining current functionality, and ensuring high coding standards. Candidates should have strong programming skills in languages ...

Senior Video Infra Engineer – Live & VOD at Scale

Roku, Inc. is seeking a Senior Software Engineer to design and build large-scale video infrastructure for Live and VOD streaming workflows. In this role, you will work on cloud-native services that handle complex media pipelines, ensuring efficiency and reliability. The ideal candidate will have deep e ...

Senior Full Stack Engineer (Cards) – Hybrid Chester

Lloyds Bank plc is seeking a Senior Software Engineer (Full Stack) in Chester. This role involves leading technical development and delivering high-quality software solutions while mentoring junior engineers. Key responsibilities include designing software, conducting code reviews, and ensuring coding ...

Associate Delivery Consultant DevOps, A2C ProServe Shared Delivery (SDT) in London AWS EMEA[...]

Job Description London, United Kingdom This role is for an Associate Delivery Consultant - DevOps, A2C ProServe Shared Delivery (SDT) at AWS EMEA SARL (UK Branch). QUALIFICATIONS Experience in cloud architecture and implementation Bachelor's degree in Computer ...

Software Engineer — Python & Microservices for Apps

Harvey Nash is hiring multiple Software Engineers of varying experience levels to join a growing technology team in Manchester. Candidates will design and develop scalable software solutions in a modern engineering environment. This role involves collaborating with cross-functional teams and contributi ...

Automation Test Engineer: AI Driven QA & CI/CD Expert

3761 Barclays - BX - UK is seeking a skilled professional in Bournemouth, England, to design and execute software testing strategies. The role involves collaboration with cross-functional teams to ensure software quality through developing test plans, creating automated scripts, and performing root cause anal ...

End to End Software Engineer – Newcastle

Neptune North Limited in Newcastle upon Tyne is looking for Software Developers at all levels. The ideal candidates will bring excellent programming skills in languages like C#/.NET, Java, Rust, or Python and have a passion for technology. With a culture of collaboration and curiosity, you'll engage di ...

Hybrid Security Engineering Lead | Cloud Native & DevSecOps

MCS Group is seeking an experienced Managing Security Engineer to lead a high-performing engineering team in Belfast. This hands-on leadership role requires expertise in security controls and modern programming languages like Java, JavaScript, or Python. The ideal candidate will foster an engineering c ...

Senior Data Quality Engineer AWS & PySpark (Edinburgh)

Addepar, located in Edinburgh, is seeking a Sr. Software Engineer for their Data Control Frameworks team. This role focuses on building data quality infrastructure, ensuring the integrity of financial data. You will collaborate across teams to design scalable systems and tools for data processing. The ...

Gaming Platform Software Engineering Intern

Dormont Manufacturing Co is seeking a candidate with a Bachelor's degree in computer-related majors for a role in designing and implementing the Level Infinite PASS unified account. Responsibilities include client architecture design and supporting tool implementation. The ideal candidate should have p ...

Principal Platform Engineer Cloud Native & Reliability

A leading fintech scaleup based in City Of London is looking for a Principal Software Engineer to provide technical leadership while remaining hands-on in a platform team. This role involves architecting multi-region infrastructure services and establishing best practices. The ideal candidate will have strong ba ...

Senior Software Engineer: AI Driven Solutions (Hybrid UK)

United States Digital Space LLC is seeking a Senior Engineer to contribute to high-stakes projects in London. You will write production-quality code using languages such as Python, Java, and TypeScript while collaborating closely with teams and clients. With a commitment to continuous learning, you wil ...

Security Engineer II: Secure SDLC Innovator (Hybrid Belfast)

EverQuote, Inc. in Belfast is seeking a Security Software Engineer II to enhance security practices and streamline vulnerability management. The role involves working on security tooling, monitoring cyber threats, and collaborating with teams on security solutions. Candidates should have 2-3 years of experience, ...

Staff Identity & Access Engineer Unified Auth Platform

Ripple is seeking a Staff Software Engineer specializing in Authentication & Authorization in London, UK. This role involves shaping identity across cryptocurrency solutions, leveraging AI tooling and Kubernetes for reliability and security. You will lead the design of unified identity experiences and mentor ...

Senior Penetration Tester — Hybrid, High Impact Security

FSP is seeking a skilled Senior Penetration Tester to join their Cyber Security practice in Greater London. The ideal candidate will have at least 2 years of experience in penetration testing or vulnerability research, and be proficient in programming languages like C/C++, C#, Java, and Python. This role involve ...

Elasticsearch Distributed Systems Principal Engineer

Elastic is seeking a Principal Software Engineer I to join the Elasticsearch - Distributed Systems team in Greater London. This role focuses on enhancing Elasticsearch’s scale, performance, and resilience, particularly in how nodes communicate and manage data efficiently. Ideal candidates will have st ...

Senior Data Engineering Lead for Enterprise Platforms

Realtime Recruitment is seeking a Data Engineering Lead / Manager in Edinburgh. This role requires over 8 years in data engineering and a strong ability to manage and mentor a team while being involved in hands-on development. Candidates should have experience with Oracle databases, enterprise SQL, and Java, alo ...

Senior Quant Engineer: Exotic Derivatives & Pricing Engine

Randstad Technologies Recruitment is seeking a Quantitative Engineer to join a premier financial institution in London (Canary Wharf). The role requires 15+ years of experience in designing and implementing pricing and risk models for complex exotic derivatives, with a strong emphasis on Java, C++, and Python ...

Lead Full Stack Engineer: AI Driven, Secure & Scalable

BNY is seeking Engineers who enhance team impact through leadership and advanced technical skills. You will develop secure and scalable software solutions, utilizing AI to innovate workflows. This role emphasizes delivering robust architectures and fostering team excellence through mentorship. The idea ...

Mobility Data Solutions Scientist

Alstom, a leading supplier of trains and rail services in the UK, is seeking a skilled professional to lead the development of data solutions. You will be responsible for managing data solutions, building data collectors, and designing data models. The ideal candidate will have experience in software d ...

Engineering Manager, Clearing Platform & Trade Lifecycle

London Stock Exchange Group is seeking an Engineering Manager to lead development efforts for the CDSClear Clearing Platform in London. You'll manage a team and collaborate closely with stakeholders to ensure high impact delivery. The ideal candidate will have system design knowledge, experience with a ...

Vice President, Data & AI Engineering: Scale AI Platforms

JPMorgan Chase & Co. is hiring a Data & AI Engineer in Greater London to design and maintain scalable data platforms. This role involves building pipelines that support analytics and AI applications, while collaborating with cross-functional teams. The ideal candidate will have strong programming skill ...

AI Agentic Engineer Deploying Proactive Workflows

Workato is seeking an experienced Forward Deployed Engineer to join their team in Greater London. The role involves designing, developing, and deploying advanced AI solutions, particularly using the Workato platform. Candidates should have a BTech/BE in a relevant field and at least 4 years of experience in AI e ...

Senior Quantitative Analyst: Model Risk & Pricing

Bullhorn Consultants Pvt. Ltd. seeks a Sr. Quantitative Analyst to work closely with a global bank's model development team. You'll develop and enhance models to support business activities and regulatory mandates. The role requires strong knowledge in quantitative finance, including various pricing models an ...

Senior Software Consultant Client Facing, Security Centric

FORT, a leading technology and innovation company in Halifax, is looking for consulting Software Engineers at Associate or Senior levels. You will develop innovative solutions and lead technical designs while interacting directly with clients. Ideal candidates should have robust Java Engineering skills ...

Senior Software Engineer – Scale Search & Recommendations

Roku is seeking a Senior Software Engineer to build large-scale services relied on by millions. You will collaborate with product teams to iterate from concept to production. Ideal candidates possess strong Java skills and experience with AWS and caching technologies. This role supports a hybrid work e ...

Engineering Manager, Digital Fulfilment Platforms

Marks and Spencer is seeking a Software Engineering Manager to lead and evolve digital fulfilment platforms, enhancing operations across the business. The ideal candidate will build high-performing teams and ensure the delivery of complex software initiatives aligned with business objectives. Successfu ...

Sr. Director, Offering Management – Quantum Developer Platform 836

We are seeking a Sr. Director, Offering Management to join our team in the London or Cambridge, UK offices. Lead the strategy and execution of a cloud-based quantum developer platform that enables developers, researchers, and enterprise users to build, simulate, and run quantum appl ...

Associate Director Application Security

**About the Role:** **Grade Level (for internal use):** 12The DevSecOps Engineer – CI/CD & Application Security focuses on embedding application security and cloud security controls directly into CI/CD pipelines and developer workflows. This role drives shift‑left security by designing, imp ...

Software Engineer

Join to apply for the Software Engineer role at PetsApp Join to apply for the Software Engineer role at PetsApp Get AI-powered advice on this job and more exclusive features. At PetsApp , we’re on a m ...

Full stack Engineer London

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI ...

Senior Frontend Engineer Growth Experimentation

About Eucalyptus We’re on a mission to make good health last a lifetime. More than 1 billion people live with obesity worldwide, driving preventable chronic conditions. We’re here to build better long-term care. Euc is the company behind Juniper, one of the world’s largest weight- ...

Software Development Team Leader

Exciting Job Opportunity: Software Development Team Leader Wanted! Javascript, PHP & React experience.(Please note that no sponsorship is offered for this role. Must be local to the Leeds area)Are you ready to take charge of a dynamic team and lead them towards delivering cutting-edge solutions to ou ...

Android Software Engineer Kotlin & Clean UI

Information Tech Consultants is looking for a passionate Software Engineer in the UK to join our engineering team. You will be responsible for building and shipping high-quality features for our Android application, writing clean code in Kotlin, and implementing pixel-perfect UI designs. The ideal cand ...

Senior Director, AI Driven Software Engineering

慨正橡扯 in the United Kingdom is seeking a tech leader to drive product innovation and complex technical solutions. The ideal candidate will lead strategic developments, manage stakeholder relationships, and drive cultural diversity within the teams. Expertise in programming languages like Java and cloud-native ...

UX Designer (Design Systems) Fire TV/Tablet , Devices and Services Design Team

DescriptionWe're seeking a UX Designer with design systems expertise to support Fire TV and Tablet while also designing B2B workflows, enterprise tools for marketing experiences, and developer tools. This hybrid role combines deep design system knowledge (component building, use case documentation, Human Int ...

Business Development Lead

Ref: 13774-4800Our client based near Eastbourne in East Sussex is currently on the lookout for a business developer who can run a desk but also team lead as well.The company are a specialist in lead generation and business development for a variety of organisations in and around London ...

Business Development Lead

Ref: 13774-4800Our client based near Eastbourne in East Sussex is currently on the lookout for a business developer who can run a desk but also team lead as well.The company are a specialist in lead generation and business development for a variety of organisations in and around London ...

🚀 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