50,322+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Quantitative Developer

My client is looking for a Quantitative Developer to join their Crypto trading desk, working closely with traders and quants to build and optimise cutting‑edge market making and quantitative trading systems across digital assets and DeFi markets. The role will focus on developing high‑performance, l ...

Quantitative Developer

Your Opportunity Partner with asset allocation PMs and researchers to take ideas from notebook to production: signals, CMAs, optimization, portfolio construction, rebalancing rules, and attribution. Build and extend the team's research platform: data ingestion, back testing, scena ...

Quantitative Developer

About LSEG 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 commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowl ...

Quantitative Developer

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial strategies focused on market inefficiencies. Our teams work col ...

Quantitative Developer

A leading oil and gas trading business is seeking an ambitious Front Office Trading Analyst to join its team. In this role, you will work closely with Traders, Market Analysts, and IT, building and enhancing the data and analytical infrastructure that directly supports front-office decision‑making. <p ...

Quantitative Developer

A career at Janus Henderson is more than a job, it’s about investing in a brighter future together. Responsibilities Partner with asset allocation PMs and researchers to take ideas from notebook to production: signals, CMAs, optimization, portfolio construction, rebalancing rules, a ...

Quantitative Developer

Location: London, Hybrid About the Company Our client is a prominent global financial institution operating across multiple markets, offering investment banking, corporate banking and risk management services. Known for its strong regulatory discipline and commitment to innovation, the fi ...

Quantitative Developer

Rates Quant Developer – FinTech BrokerageLondon We are a fast-growing global brokerage firm leveraging cutting-edge technologies and quantitative methods in the fixed‑income derivatives market. We work with some of the world's largest hedge funds and asset managers, providing analytics and exe ...

Quantitative Developer

Overview We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution – because the best ideas take tim ...

Informatica Developer

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

Software Developer

Overview Join a world‑class engineering team developing intelligent machinery that’s shaping the future of cancer research. This role sits at the intersection of AI, robotics, data visualisation and automation, building software that controls and connects highly advanced physical systems. <h ...

Python Developer

Overview Backend Developer | Watford | 12 Month FTC | £55,000 Peaple Talent have partnered with a brilliant professional services firm looking to recruit a Backend Developer. The successful candidate will be instrumental in delivering a particular project, a strategic initiat ...

.NET Developer

3 weeks ago Be among the first 25 applicants Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Greenfiel ...

Kotlin Developer

Join to apply for the Kotlin Developer role at Grid Dynamics 2 months ago Be among the first 25 applicants Join to apply for the Kotlin Developer role at Grid Dynamics We are seeking a specialist Kotlin Developer with ...

Oracle Developer

We are seeking an experienced Oracle Database 19c Developer / Application Maintenance Engineer to support and enhance bespoke applications built on Oracle technologies. This role focuses on maintaining and improving existing systems, resolving production issues, implementing enhancements, and ensur ...

Oracle Developer

Overview We are seeking an experienced Oracle Database 19c Developer / Application Maintenance Engineer to support and enhance bespoke applications built on Oracle technologies. This role focuses on maintaining and improving existing systems, resolving production issues, implementing enhancements, ...

Endur Developer

3 weeks ago Be among the first 25 applicants This range is provided by Intec Select. 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 Intec Select Bridging E/CTRM Talent Gap ...

ServiceNow Developer

Direct message the job poster from Us3 Consulting Senior Sales/BD Consultant - Aligning Business Goals with ServiceNow and IT Infrastructure Expertise We are seeking a skilled and forward-thinking ServiceNow professional to join our client's digital services team. In this role, you will be res ...

Senior Developer

This is a permanent, full-time vacancy that will close in 20 days at 23:59 BST. The Vacancy The DB Member Valuations team is a close-knit group dedicated to developing our in-house final salary pension scheme valuation systems. The team actively engages with consultants and users, fo ...

Frontend Developer

Overview The role is a Frontend Developer position with Talego Recruitment, Manchester-based agency. It is a hybrid role requiring 2 days in a Manchester office. Salary range provided is £45k-£50k+ (DOE). This position focuses on frontend development using React and WordPress within a collaborativ ...

ReactJS Developer

Get AI-powered advice on this job and more exclusive features. Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able ...

Oracle Developer

ORACLE APPLICATION DEVELOPER £40–60k salary Oracle CX Sales / ERP / Finance / HR projects Hybrid working – Lincolnshire office with flexibility around travel Oracle Fusion / EBS / PL/SQL environment ABOUT THE CLIENT We’re working wit ...

Golang Developer

You will join our Investment Banking client where you will sit across all areas of the business to deliver a global transformation to become truly cloud native, migrating on prem systems onto the cloud, re‑writing legacy systems/monolithic systems into microservices, and a lot of Kubernetes work. The team ...

SharePoint Developer

1 day ago Be among the first 25 applicants At Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector ...

.NET Developer

This range is provided by Harvey Nash. 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 Harvey Nash Managing Consultant | Passionate about Building High Performing Tech Teams | Powerl ...

.NET Developer

.NET Developer, C#, .NET 9, Angular 19, Web API 2 - Watford (Tech stack: .NET Developer, .NET 9, Web API 2, Entity Framework, Microservices, Azure, Programmer, Full Stack Engineer, Architect, .NET Developer) Have you ever thought about getting from London to Edinburgh in 30 m ...

Salesforce Developer

Overview We are seeking a Salesforce Developer on a contract basis for a specific project. The role focuses on building a Salesforce-based frontend, processing and cleansing large datasets, integrating with external systems via APIs, and supporting internal and external reporting requirements. The ...

.NET Developer

.NET Developer, .NET 9, C# - Global Record Label - Bradford Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect We are pleased to announce that our client, one of ...

API Developer

An API developer builds the digital bridges that connect software applications enabling seamless data exchange and integration. A quick snapshot of demand, education, field, and salary expectations. Market Demand Very High Average Salary $130,000+ Education Level Undergradua ...

.NET Developer

Job Title: .NET Developer – ManchesterAbout the Job you are considering:We are seeking a highly skilled and experienced Full Stack Developer with strong expertise in .NET, Angular, and C#. The ideal candidate will play a key role in designing, developing, and delivering high-performance, scalable, and enterprise ...

GNC Developer

Your role We are seeking a skilled GNC (Guidance, Navigation & Control) Developer/Algorithm Engineer to support the development of autonomous navigation capabilities for rover platforms. The role focuses on designing, validating, and integrating advanced algorithms that enable intelligent, on-boa ...

Frontend Developer

TransPerfect is an established company with a start-up culture seeking creative entrepreneurial people like you to join our team. We’re hiring a Frontend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. If you’re ready to join ...

.NET Developer

Noir Greater London, England, United Kingdom .NET Developer, .NET 9, C# - Break Into Banking – London Are you stuck in a catch 22 situation i.e. want to get into the financial services arena but your lack of experience within the industry is preventing you from entering it? The ...

Salesforce Developer

Qualifications Should have worked on Salesforce implementation/support projects in the past. Experience working on Sales/Service/Experience Cloud or on FORCE.COM. Develop technical solutions in Salesforce independently, extensive experience with customization on the Sale ...

Cloud Developer

Job Title Cloud Developer Job Description The Cloud Full‑Stack Developer (with primary focus on AWS) is responsible for the end‑to‑end design, build, and delivery of secure, cloud‑hosted applications supporting PL Re strategic platforms, including the Underwriting & Modelling Environment (UMe). Th ...

GNC Developer

We are seeking a skilled GNC (Guidance, Navigation & Control) Developer/Algorithm Engineer to support the development of autonomous navigation capabilities for rover platforms. The role focuses on designing, validating, and integrating advanced algorithms that enable intelligent, on-board decision-making i ...

PowerBI Developer

Power BI Developer / BI Developer Salary: Up to £60,000Location: TamworthWorking Pattern: 4 days per week in the office. We are partnering with a well‑established B2B organisation seeking to enhance its internal Business Intelligence capability by recruit ...

C++ Developer

C++ Developer – Smart Order Routing Ready to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the challenge you've been looking for. This is an opportunity ...

Frontend Developer

Role: Frontend developer - Nextjs Job Type: Permanent Location: Oxford Street, London, UK Number of hours: 40 hours per week – full time Ready to utilise your experience and expertise in frontend development? We have an exciting role f ...

Systems Developer

Systems Developer – Epicor BisTrack Scunthorpe (Hybrid working) £60,000 - £70,000 + benefits We’re working with a well‑established UK manufacturing and distribution business that is looking for a Systems Developer – Data & Reporting with strong experience in Epicor BisTra ...

Lead Developer

Lead the Build. Drive the Vision. Grow with Us. At The Big Phone Store, we’re looking for a passionate and hands‑on Lead Developer to guide our growing tech team and help take our platform to the next level. We’re a fast-growing, independent UK business leading the charge in sustain ...

Software Developer

Our Benefits Share Options (EMI) scheme 25 days annual leave, plus flexible bank holidays and the opportunity to buy additional days Enhanced workplace Pension scheme - opt-in salary sacrifice scheme Life Insurance (3x annual salary) Employee A ...

Wordpress Developer

WordPress Developer - Bristol (Hybrid, 2-3 days in the office) We are looking for a WordPress / WooCommerce Developer to join a growing digital studio based in central Bristol. You’ll be working on a wide range of WordPress and WooCommerce projects, developing new functionality, improving exis ...

PHP Developer

We’re working with a growing, technology‑led business that operates a high‑traffic, customer‑facing digital platform at the core of its operations. Following the recent hire of a Lead Developer, they’re continuing to build out their in‑house engineering team and are now looking for a Mid‑Level Soft ...

Salesforce Developer

Job Title: Salesforce Developer Reports To: Application Development Manager Location: Hybrid — requires 3 days per week in our Newcastle upon Tyne office Job Type: Permanent, Full Time Summary As a Salesforce Developer you will be part of a small team responsible f ...

C++ Developer

We are exclusively partnered with a company in Cambridge specialising in high‑end audio software. Due to growth and expansion of their range, they are looking for a C++ Developer to turn existing DSP into commercial‑grade plug‑ins and help shape the next generation of audio products. In this C++ Dev ...

.NET Developer

.NET Developer - Lancaster (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect) Established in 1962, our client is a leading global media company; its commercial arm comprises some of the largest tel ...

Scala Developer

Scala Developer (Junior‑Senior) at Test Driven Solutions Ltd. Newcastle/Scotland, United Kingdom We are a software consultancy that provides highly skilled consultants to support client business needs. Test Driven Solutions have had a successful start, wi ...

Software Developer

AuditComply is a leading enterprise technology platform designed to mitigate risk, ensure compliance, and enhance quality assurance and vendor management for highly regulated industries—all within a single, integrated solution. By streamlining operations, delivering deep insights, and driving digit ...

Backend Developer

About Us At Octopus we're passionate about powering a sustainable future. As pioneers in the renewable energy space, we don’t just invest in utility scale projects; we invest in people, communities and a greener tomorrow. We're on a mission to transform the renewable energy generation spa ...

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