36,375+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Head of AI & Developer Platform Delivery

Arm Limited in Cambridge is looking for a delivery leader to oversee the Project Management team in AI & Developer Platforms. You will define delivery frameworks and ensure strategic initiatives across complex projects. The ideal candidate has extensive experience in cross-functional program management ...

Hybrid Quantitative Developer — Pricing & Risk Models

TradingHub, based in Greater London, is seeking a Quantitative Developer to design and validate pricing models for financial markets. The role involves developing financial pricing libraries and risk algorithms in a fast-paced environment, ideal for those with strong mathematical and programming skills. < ...

Full Stack Software Developer — Game Platform

Tombola in Sunderland is seeking a Full Stack Software Developer to enhance applications and services in a collaborative environment. This role requires expertise in both frontend and backend technologies to build scalable and reliable solutions. The ideal candidate will have a strong background in sof ...

Lead Guidewire Developer: PolicyCenter/BillingCenter (Hybrid)

A leading technology consultancy is seeking a lead-level Guidewire Developer to work on a 6-month contract in London. The role requires experience with Guidewire PolicyCenter and BillingCenter development, as well as knowledge of the Guidewire Cloud Platform. This hybrid position will require 2 days per week in ...

Lead Applications Developer SME (on site)

ISHPI is seeking a Lead Applications Developer SME (on-site) to support the Command and Control (C2) Afloat Integration Support (C2AIS) for the U.S. Coast Guard Command, Control, Communications, Computers, Cyber and Intelligence Service Center (C5ISC) in Portsmouth, VA. This role will manage the supported ...

C++ Developer | Systems Architect & API Specialist

慨正橡扯, a leading technology partner in Hounslow, is seeking a C++ Developer to design and develop modular technology solutions. You will collaborate on planning software developments, create efficient architectures, and ensure the quality of your applications through detailed testing. The ideal candidat ...

Platform Generalist Developer — Remote & Flexible Hours

A leading company in beverage packaging seeks a Software Developer / Tech Generalist in Royal Leamington Spa. The role involves ownership of platform components, addressing real problems, and using a diverse tech stack including AWS and AI tools. The ideal candidate thrives on variety, enjoys solving complex iss ...

Senior Android Developer: Kotlin, Jetpack Compose

MONY Group is looking for an experienced Senior Android Developer to join their Mobile Collective in London. You will play a crucial role in supporting and growing apps across MoneySavingExpert, Quidco, and MoneySuperMarket, with responsibilities including hands-on involvement across the entire SDLC. T ...

Secure Python Developer — Mission Critical Systems

Onyx-Conseil is seeking experienced Python Developers in Greater London to design and deliver secure, scalable solutions for government clients. This role emphasizes collaboration and continuous learning in a supportive environment, ideal for self-motivated professionals. Due to the sensitive nature of ...

Senior Android Developer (Kotlin / Jetpack Compose)

Senior Android Developer (Kotlin and Jetpack Compose) Location: London or Manchester (Hybrid - 2 days per week in the office) We're partnering with one of the UK's leading consumer technology businesses, whose digital platforms help millions of people make smarter financial decisions ever ...

Senior Cloud Developer (AWS) — Hybrid Leeds

A leading recruitment agency in the UK seeks a Software Developer specializing in Cloud (AWS) for a hybrid role in Leeds. The successful candidate will have 5-7 years of experience and will design, develop, and maintain cloud-based applications using modern programming languages and AWS services. Responsibilitie ...

Senior Python Developer in London LinuxRecruit

Senior Python Developer London, United Kingdom Posted 10 months ago Disrupt and innovate within the telecommunications market. You’ll come in and drive the team forward with your technical prowess with Python . When it comes to frameworks, you’re agnostic and are capable of ...

Battery Management System (BMS) Algorithm Developer

Battery Management System (BMS) Algorithm Developer Location: Midlands, UK Employment Type: Full-time / Contract / Hybrid / Remote Department: EV Systems / Powertrain Engineering Overview We are looking for a passionate and experienced BM ...

Senior Proximity Developer, Front Office .NET

Natixis NY Branch is looking for a skilled developer to support business-critical applications within the Commodities Markets team. The role offers the opportunity to work on flexible, scalable software for front office users while collaborating with global teams. Key requirements include strong experi ...

Lead .NET Software Developer Enterprise Solutions

Bowerford Associates is seeking a Senior Software Developer/Lead Software Developer based in Plymouth. You will be responsible for designing and building an enterprise-level software solution across multiple applications and departments. This is an office-based role with a 4.5 day work week, offering a ...

Developer Support Engineer: AI Tools & Observability

A leading AI observability platform is seeking a Developer Support Engineer to help developers overcome challenges in their projects. The position requires 3-8 years of experience supporting developer tools, strong coding skills in Python or TypeScript, and excellent communication. You will troubleshoot issues, ...

Software Development Engineer III Developer Platform

Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Apply by 25-Jun-2025 About the role At Tesco, we believe in the power of spending more time together, face to face, than apart. So, during your working week, you can expect to spend 60% of your time in one of our office locations or local sites and the rest re ...

Freelance Chatbot Developer (WhatsApp / Telegram / Discord)

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project () and build conversational bots and messaging-plat ...

Senior BI Developer (f/m/d)

Purpose of the PositionData is at the core of the company’s decision‑making and commercial success. Our mission is to ensure that Awin leverages the full value of its data assets to drive strategic insight, optimise campaign performance, and empower client‑facing teams with best‑in‑class intelli ...

Freelance Chatbot Developer (WhatsApp / Telegram / Discord)

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project () and build conversational bots and messaging-plat ...

ServiceNow Developer Remote (UK) SC Cleared

Required SkillsServiceNowITSMITOMAPISNOWJob SummaryServiceNow Developer (SC Cleared) - Remote - Contract x 4Remote (UK Based), 3-Month Initial Contract, £600-700pd, Active SC Clearance (Essential)</stron ...

Head of FP&A (Battery Developer)

Your newpanyA global battery project developer which has grown significantly in the last 10 years, targeting markets in multiple geographies. A modern culture capitalising on the long-term green transition. Thepany has gone from strength to strength in the last few years and should be referred t ...

Business Intelligence Developer / Manchester or London

OVERVIEWJoin the fast-growing TechOps BI team at TransPerfect as a Business Intelligence Developer, supporting the design, development, and maintenance of modern business intelligence architectures and solutions. You will work with a suite of TechOps technology products, integrating re ...

Trainee Systems Reporting and UI Developer

Trainee Systems Reporting and UI DeveloperWe are searching for an experienced Trainee Systems Reporting and UI DeveloperOverall job purposeThis role is ideal for someone who is curious, analytical and motivated to build a long-term career in technology, reporting and data analysis.An e ...

Software Developer Data Services (KDB+/Q)

Position Overview:The Data Development group manages the lifecycle of data used by investment for trading, backtesting and research. We work with quants and tech teams to integrate, process and serve data from vendors and public sources in Squarepoint's data infrastructure (alpha data and cross- ...

Trainee Systems Reporting and UI Developer

Trainee Systems Reporting and UI DeveloperWe are searching for an experienced Trainee Systems Reporting and UI DeveloperOverall job purposeThis role is ideal for someone who is curious, analytical and motivated to build a long-term career in technology, reporting and data analysis.An e ...

Low Latency C/C++ Developer – London

Salary: Competitive / Market-LeadingCompany:The role sits within the London office of a brand new HFT built out of an established systematic fund. So, there are huge buy-ins from the business – allowing you to delve greenfield project but with the advantage of market makers ...

Power Apps Developer (Power BI specialism)

Salary:  £60k to £70kMethods is recruiting for a Power Apps Developer (Power BI specialism) to join our team within the Public Sector Business unit on a permanent basis.This role will be mainly remote but require flexibility to travel to client sites, and our of ...

Python Core Developer – Middle Office – London

Salary: £200 – 250kCompanyThis fintech is an international global algorithmic market maker in digital assets. They aim to transform Crypto Markets by offering liquidity to trading platforms and exchange. So essentially ‘HFT meets Crypto’. Trading more than $5B+/day across d ...

Experienced/Senior Online Developer Tech Team

We want you to #JOINTHEREBELLION!  For 30 years we’ve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio ...

Senior BI Analyst / Developer circa £60k

Senior BI Analyst / Developer – circa £60,000 Turn data into actionWe’re hiring a Senior BI Analyst / Developer to join a high-impact Business Systems team driving real change across a growing organisation.This is a hands-on role where you’ll deliver end-to-end data solutions — from Power BI dashboards ...

Quant Developer – Risk & Treasury | London / NYC

Location: New York or LondonComp: 150-500k SummaryA multi-strategy hedge fund focused on delivering consistent returns through innovative trading strategies, robust risk management, and cutting-edge technology. They’re now seeking an exceptional quant developer to ...

Retail & Fashion / Product Development Product Developer

Product DeveloperLocation: Central LondonType: Full-time | PermanentAbout UsOur client are a well-established, design-led company specialising in beauty, home fragrance, and home-care products. They work with leading retailers and brands to create ...

Software Developer C#.Net Quant Trading

Software Developer / Engineer (C# .Net) Newcastle onsite to £120k+Join a highly regarded Financial Technology Consultancy developing sophisticated software used by Investment Banks, Hedge Funds and Asset Managers. This is an opportunity to work at the intersection of software engineering, quanti ...

Creative Technologist / Creative Full Stack Developer

We are recruiting for a Creative Technologist / Creative Full-Stack Developer (Permanent role and 12 month Fixed Term contract)About NestaWe are Nesta, the UK’s innovation agency for social good. We design, test and scale solutions to society’s biggest problems. Our three missions ...

Associate Manager Cloud Applications Developer 1

Job Description:DXC Technology is committed to building diverse, inclusive teams. We welcome applications from all backgrounds and particularly encourage interest from women, underrepresented groups, and neurodivergent candidates. We offer reasonable adjustments throughout the hiring process and ...

Senior Lead Software Engineer C++ Developer

The Futures & Options Execution Technology team sits within Equities Technology and runs the end-to-end trading technology stack – supporting high-touch, low-touch and no-touch execution – for the #1 ranked FCM. In addition to our core franchise, we deliver critical trading capabilities across other JPMorganC ...

Luxury Real Estate Developer Procurement Manager

AHS, a premier luxury real estate developer, is seeking a skilled Procurement Manager to lead and oversee our procurement processes. The successful candidate will be responsible for sourcing, negotiating, and managing supplier relationships to ensure the timely delivery of high-quality materials and services ...

Power Apps Developer (Power BI specialism)

Salary: £60k to £70kMethods is recruiting for a Power Apps Developer (Power BI specialism) to join our team within the Public Sector Business unit on a permanent basis.This role will be mainly remote but require flexibility to travel to client sites, and our offices based in London, Sheff ...

In App Experience Developer & Data Analyst

In-App Experience Developer & Data AnalystJOB_DESCRIPTION.SHARE.HTMLCAROUSEL_PARAGRAPHJOB_DESCRIPTION.SHARE.HTMLEdinburgh, United KingdomMarketing20628 Job Description Why N-ableAt N-able, we’re not just helping busin ...

Business Intelligence Developer / Manchester or London

OVERVIEWJoin the fast-growing TechOps BI team at TransPerfect as a Business Intelligence Developer, supporting the design, development, and maintenance of modern business intelligence architectures and solutions. You will work with a suite of TechOps technology products, integrating re ...

Senior Software Developer C#.Net Azure

Senior Software Developer / Engineer (C# .Net Azure API) London / WFH to £90kDo you have strong C# and Azure skills combined with a strong knowledge of software engineering best practices?You could be progressing your career in a senior, hands-on Senior Software Developer role at a hugely ...

Burberry Product Developer Childrenswear (Maternity Cover)

Job Details INTRODUCTIONAt Burberry, we believe creativity opens spaces. Our purpose is to unlock the power of imagination to push boundaries an ...

Senior Python Developer Agentic AI Systems

About DeliveryApp DeliveryApp is in an exciting phase of rapid growth. As we scale our operations and technology, we are expanding our engineering team to build the next generation of our platform. We are looking for a highly capable Senior Python Developer to step in and take full owner ...

Experienced/Senior Online Developer Tech Team

We want you to #JOINTHEREBELLION! For 30 years we’ve been independently developing and publishing incredible video games at our multiple studios founded by Jason & Chris Kingsley, but Rebellion is more than just games. We have our own film studio, we create board games, publish books, and throug ...

Power Bi Developer (onsite 5 days)

About ETBFounded in 2001, ETB is a leading global supplier of high-quality refurbished IT equipment. Now celebrating our 25th year in business, we’ve grown into a trusted partner for customers around the world, supported by a dedicated team of around 70 people.Our succes ...

Freelance Chatbot Developer (WhatsApp / Telegram / Discord)

Mindrift is looking for skilled Bot Developers (WhatsApp Business API, Telegram Bot API, Discord API) to join the Tendem project () and build conversational bots and messaging-plat ...

Trainee Systems Reporting and UI Developer

Trainee Systems Reporting and UI DeveloperWe are searching for an experienced Trainee Systems Reporting and UI DeveloperOverall job purposeThis role is ideal for someone who is curious, analytical and motivated to build a long-term career in technology, reporting and data analysis.An e ...

Low Latency C/C++ Developer – London

Salary: Competitive / Market-LeadingCompany:The role sits within the London office of a brand new HFT built out of an established systematic fund. So, there are huge buy-ins from the business – allowing you to delve greenfield project but with the advantage of market makers ...

Business Intelligence Developer / Manchester or London

OVERVIEWJoin the fast-growing TechOps BI team at TransPerfect as a Business Intelligence Developer, supporting the design, development, and maintenance of modern business intelligence architectures and solutions. You will work with a suite of TechOps technology products, integrating re ...

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