36,699+ 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

Back End Developer

Responsibilities Partner with Product Owners to deeply understand requirements and break them down into focused deliverable items Design and build robust scalable microservices with high observability and supportability following DevOps and Agile principles Own your deli ...

Senior Android Developer

We are a small London startup with the ambition to change education with ML-powered tutoring. Our flagship product is a mobile application for teaching English to intermediate and advanced learners. We’re on the verge of solving one of the biggest challenges in education – making high-quality, pers ...

Senior ServiceNow Developer

Overview Join our HR Technology team as a Senior ServiceNow Developer and play a key role in transforming the colleague experience across Barclays. In this role, you’ll design and deliver high impact ServiceNow HR Service Delivery solutions, working closely with HR and Technology stakeholders to s ...

Senior Scala Developer

Are you ready to join the forefront of technology innovation with Netcompany? As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next g ...

Synthetics Lead Developer

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Join Barclays as a Synthetics Lead Developer, where you will be responsible for supporting a global Synthetic & Financing platform that manages equity swaps and related derivative products. ...

Senior Software Developer

Embark on a transformative journey as a Senior Software Developer. At Barclays, our vision is clear—To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Technical Requir ...

Developer Experience Engineer

At Fractile, we're taking a revolutionary approach to computing to run the world's largest language models at scale. Building silicon, systems and software that redefine the frontier of AI only matters if developers can actually get their models running on it quickly and predictably, which is where you com ...

Software Developer (.NET)

Job Description This is an exciting opportunity within technology consultancy, which offers you fast‑track career development opportunities, as well as the opportunity to explore new and cutting‐edge technologies. This role supports the full life cycle of software development, and includes the op ...

ServiceNow Developer Lead

About the Role The ServiceNow Development Lead is responsible for providing technical leadership, architectural guidance, and hands‑on expertise in the design, development, and delivery of ServiceNow solutions. This role leads a team of ServiceNow Engineers, ensuring the platform is robust, scalab ...

Senior Django Developer

We are looking for a Senior Python/Django Developer to work with us to build our platform. You’ll have the opportunity to work in an exciting, early-stage startup in a senior role within our growing Engineering team and be supported in taking ownership of key parts of the product. RESPONSIBILITIES ...

Software Developer (messaging)

We enable people to move easily and safely around our world. Zipabout is designing the future of transport where each journey is personalised. We partner with transport leaders, government and event organisations to provide a better, safer personalised journey experience for all. Job Description < ...

Software Developer C#

Our client, a well-established electronics manufacturing and product development organisation, are looking for a Software Developer - C# based in Newbury to join their team on a permanent basis. This is a fast-paced, hands-on role within a growing innovation division, focused on delivering software ...

Senior PHP Developer

We’re looking for an experienced and driven IT Senior Developer to join our growing tech team at Reassured. You’ll play a key role in evolving our internal CRM platform, taking ownership of complex features and helping shape the systems that support a fast‑paced, highly regulated business. ...

UI Designer / Developer

Key Responsibilities Participating in the design process to develop new software features, helping to define & document; Design requirements Process flows Static mock-ups Screen flows Delivery of design solutions (as ...

Senior D365 Developer

Hybrid role with occasional visits to our London office and client sites Are you ready to build technology that makes a real difference? Cognizant Microsoft Business Group’s Business Applications team is looking for a Senior Microsoft Dynamics 365 ...

Application Support Developer

Here at Intercept IP, due to further growth across our business, welcome the opportunity for a Talented, Skilled and equally Inquisitive Application Support Developer to join our team. Here in Huddersfield, we offer a unique working life. Join us and you’ll get the chance to take on excitin ...

Power BI Developer

Salary: £30,000 - 70,000 per year Requirements Proven experience as a Power BI Developer in enterprise environments. Strong expertise in Power BI dashboard, report, and visualisation development. Experience using Snowflake as a reporting and analytics dat ...

Mobile App Developer

When working as a mobile app developer, your responsibilities may vary based on the role you have within the team. Common duties for a mobile app developer include: Meeting with senior employees of an employer or with representatives of a client, to discuss the application and their desired fea ...

Senior Talend Developer

Contract Duration – 2 Months with Possible extension Job Description: Key Responsibilities Technically proficient in Talend features and functionality Strong knowledge of SQL (ORACLE). Be a part of the ETL COE Team, providing solutions to multip ...

Business Intelligence Developer

Rate: Negotiable Dependent on Experience Contract until 31 March 2027 | East Midlands | Hybrid Working | Inside IR35 Data Careers is supporting a secure public sector organisation in the East Midlands in the search for a Business Intelligence Developer. This is an opportunity to j ...

Remote Graduate.NET Developer

Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client is the world's most respected banking ins ...

Magento Developer Contract

(mid- to senior level positions available across Manchester, Warrington and Lancashire) My client is a growing company looking for a full stack Magento Developers. This is a fantastic opportunity to get involved with a company that is going places. They are looking to grow their development ...

Senior Proximity Developer

Following in house proximity development lifecycle comprising the following step: User needs collection and anticipation. Analysis of these needs and definition of the required specifications. Multiple solutions proposal: where applicable, provide the sponsors with studies com ...

Python Developer (Dublin)

Project overview The client's technological platform is constantly evolving as it integrates new and emerging technologies to support its growing business. The team manages core business applications and provides support for a global user base, requiring high levels of agility and technical excel ...

Junior Python Developer

My client is a fast-growing fintech based in London, and they’re looking for a Junior Python Engineer to join their expanding team. This is a great opportunity to work on real-world financial products in a high-growth environment where technology is central to the business. You’ll be joining a coll ...

Graduate Software Developer

About TPP We’re looking for bright and geeky graduates to join our Software Developer team. No experience is required, and many of our successful applicants have never programmed before. If you think logically and enjoy problem solving, then you have the potential to become a great developer. </p ...

Senior Frontend Developer

Albany Beck are a Management Consultancy focused on providing specialist talent and transformative solutions to Financial Services clients. We combine subject matter expertise with innovative delivery models that help clients scale efficiently, while offering meaningful, long-term career opportunities to o ...

Senior Frontend Developer

Hybrid working – 2 days per week in Liverpool city centre Opportunity to help shape a brand-new consumer platform from the ground up Work within a senior, AI-first engineering environment Key Points Senior-level position with significant ownership and in ...

Senior Software Developer

Company Overview At NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire ...

Lead .Net Developer

We’re hiring for a scaling digital products business building modern, cloud-based platforms used across financial services and enterprise. This is a hands-on, product-driven role — not consultancy, not legacy — where you’ll own features, ship code, and work on high-impact systems. < ...

Senior Salesforce Developer

TechOhana have partnered with an established end user to bring on a Senior Salesforce Developer. The Salesforce platform is central to this business, it powers the customers experience and the internal operations teams that support it. This is an opportunity to take genuine ownership of a complex, high-value ...

C#/.NET Developer

I’m hiring for C# Software Developers to join a fast-growing technology business building bespoke software for clients across financial services, private capital and defence. Looking for strong engineers with: Strong problem-solving ability End-to-end software delivery experience < ...

Digital Developer Senior

Location: London (HQ), Manchester, Birmingham, Cardiff, Darlington Contract Duration: 12 months + IR35 Status: In Scope Pay Rate: £750 per day Security Clearance: SC required Overview An opportunity for an experienced ...

Digital Developer Senior

Digital Developer Senior Location: London (HQ), Manchester, Birmingham, Cardiff, Darlington Contract Duration: 12 months + IR35 Status: In Scope Pay Rate: £750 per day Security Clearance: SC required Overview < ...

Senior .Net Developer

Join to apply for the Senior .Net Developer role at Hippo About The Role Hippo is recruiting Senior .NET Developers to join our Hippo Herd. Senior .NET Developers work in multi-disciplinary teams that build, support & maintain User-Centred digital solutions t ...

Senior Quantitative Developer

Compensation: Competitive (Financial Services) About TradingHub Founded in 2010, TradingHub delivers uniquely intelligent trade surveillance software to world leading financial institutions. Developed by market professionals, our solutions use sophisticated modelling techniques to detec ...

Junior Developer (C#)

Join to apply for the Junior Developer (C#) role at Remarkable . This range is provided by Remarkable. 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 Remarkable </p ...

Business Systems Developer

Business Systems Developer Yolk Recruitment Limited is hiring a Business Systems Developer based in Ammanford, Carmarthenshire, Wales, UK . This is a Full time opportunity (£50,000). We’re recruiting for a Business Systems Developer to join a growing manufac ...

Sr OIC Developer

London, United Kingdom | Posted on 12/10/2025 Responsibilities Analyze system integrations and design secure, compliant system and software architectures for enterprise data. Create architectural designs and diagrams using established standards and best practice ...

Senior Kotlin Developer

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. We are seeking Senior Kotlin Developers to join a high-caliber engineering team delivering critical solutions for a global financial leader. You will join a team of experts focused on building robust, ...

SQL + PowerApps Developer

Location: Boundary Road, Lytham (Onsite) Department: IT Hours: 40 hours per week, Monday–Friday 10am-7pm Reporting to: Director of IT Up to 55k dependant on experience | Onsite Lytham St Annes | Full Time About the Role We’re ...

Sr Python Developer

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities ...

eTrading Python Developer

Location: London (Hybrid – 3 days in office) Type: Full-time Are you ready to step into a high-performance environment at the heart of global markets? We're looking for a motivated and technically skilled eTrading Production Support Engineer to join our fast-paced Application Suppor ...

Back End Developer

We’re building LLM-powered workflow tools to support investment research for private market investors, used by leading private equity and consulting firms globally. The company is profitable, bootstrapped, and growing quickly, with a team of 30+ across London, NYC, and Sydney. The Role Th ...

Developer Systematic Trading

We are seeking a Developer to join one of Millennium’s long standing & successful Trading teams, currently comprising of 18. This role will design, develop and support a strategic set of applications for data collection, analytics and trading for this systematic team. Main technologies: KDB+/Q, Git ...

AI Application Developer

Oxford, UK (Hybrid) Permanent or 6-month contract Azure · Snowflake · Fabric ABOUT FUZE We're building a next-generation digital and energy platform for fleet electrification connecting vehicles, chargers, energy systems and operational data across the UK transport sector. ...

Python Backend Developer

At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive to accurately forecast sports results. We value quick deli ...

Oracle Forms Developer

Oracle Forms Developer Location: Bristol or Leicester – (2 days onsite / 3 days remote). Contract: 6 months initially. Salary: £500-£550 per day inside IR35 / Umbrella. Candidates must have valid and transferrable SC Security Clearance. You’ll join the Digital Solutions Team, as an Oracle F ...

Oracle Lead Developer

This is an opportunity to join a global technology-driven organisation delivering large-scale, business-critical systems across complex enterprise environments. The organisation specialises in transforming and modernising core business platforms, working closely with major clients across sectors su ...

Telesales / Business Developer

Join the UK’s No1 Trade Kitchen Supplier. Join Howdens as a Business Developer and play a key role in growing your local depot. We’re looking for someone who enjoys speaking to people face to face and on the phone, building relationships and driving business. You’ll introduce new trade customers to ...

🚀 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