36,376+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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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 ...

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 ...

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 ...

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 ...

Smart Contract Developer Assistant Vice President

Role Summary :We are seeking an experienced Smart Contract Developer to join our Digital Asset Development team. This is a hands‑on, security‑focused role responsible for designing, developing, testing, and deploying smart contracts that underpin institutional digital asset capabilities such as ...

Senior Guidewire developer/ technical lead London

Skill – Guidewire developmentLocation – London, UKCompensation – Competitive (including bonus)Role summaryWe are seeking an experienced Guidewire Technical Lead to drive the technical design, development, integration, and delivery of Guidewire-based insurance transformation programs. The role sits at the interse ...

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 Developer Amazon Shipping, Amazon Shipping

Amazon is innovating in the Operations and Logistics space and looking for a driven, entrepreneurial, and analytical Business Development Manager to join Amazon Shipping UK. Amazon Shipping has exciting plans to accelerate growth across 2026 and beyond, and we are looking for talented individuals to join us on t ...

.NET Developer (.NET / Blazor) TOP COMPANY!!

.NET Developer (.NET / Blazor)- TOP COMPANY!! Central London -Hybrid Working - 3 Days in the Office and 2 days from home (Mon and Friday at home)We're looking for a hands-on .NET Developer to join a small but growing organisation with a genuine ...

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 ...

AI Software Developer Python & Laravel Automations

Rutherford Briant Recruitment is looking for an AI Software Developer in Ipswich, United Kingdom. This full-time role involves building and improving internal systems using Laravel and Python, designing AI-powered agents, and working with backend APIs and microservices. The ideal candidate should have strong ski ...

Full Stack PHP Symfony2 Developer — London

Difrent is seeking an experienced Full Stack developer with PHP Symfony2/3 skills to join their team in London. You will work on projects that are both technologically and aesthetically impressive, managing complex digital projects from conception to completion. The ideal candidate will possess strong ...

C++ Developer with Python & Cloud Experience

e2e Infosys is seeking a C++ Developer to join our innovative technology team in Cambridge. This permanent full-time role offers a flexible salary aligned with your experience and expertise. You will work on developing scalable solutions while collaborating in a supportive work environment. Key require ...

Senior Bioinformatics Developer Synthetic Biology & Cloud

Newton Colmore Consulting is seeking a Senior Bioinformatics Developer in Cambridge. You will lead bioinformatics projects, developing complex algorithms for data categorization and supporting lab systems. Ideal candidates have a strong Python coding background, experience in bioinformatics, and a rela ...

Senior Python Developer TypeScript Rust Security

Senior Python Developer / Backend Software Engineer (TypeScript Rust Security) Cambridge to £80kDo you have strong backend software development experience?You could be joining the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the ...

.NET Developer (.NET / Blazor) TOP COMPANY!!

.NET Developer (.NET / Blazor)- TOP COMPANY!! Central London -Hybrid Working - 3 Days in the Office and 2 days from home (Mon and Friday at home)We're looking for a hands-on .NET Developer to join a small but growing organisation with a genuine ...

Senior MuleSoft Lead Developer (API & Integration)

Capita in London is seeking a Lead MuleSoft Developer to oversee the delivery of APIs and integrations on the MuleSoft Anypoint Platform. The ideal candidate will have extensive MuleSoft development experience and must be eligible for SC clearance. Your role will involve designing and maintaining APIs, ...

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 ...

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 ...

Backend .NET Developer for Growth & Innovation

CHAPMAN TATE ASSOCIATES LIMITED is seeking a Web Developer in Leeds to support .NET projects within an award-winning manufacturing organization. You will join a mid-level development team tasked with enhancing back end functionality and driving effective data usage to support ambitious growth. The posi ...

Senior RPA Developer – Intelligent Automation – #OR105777

Southwark Council is seeking a Senior UiPath AI Automation Lead for a contract engagement based predominantly remotely, with one day per month required at 160 Tooley Street, London SE1 (plus additional days as needed). The rate is £287.13–£400.00 per day (advertised up to £500 per day in the job descriptio ...

Senior Developer Relations Manager – Capital Markets

Senior Developer Relations Manager – Capital Markets page is loaded## Senior Developer Relations Manager – Capital Marketslocations: UK, Remotetime type: Full timeposted on: Posted Todayjob requisition id: JR We are seeking a highly technical and strategic Developer Relations Manager to join our team, fo ...

Junior SFMC Developer: Journeys, Emails & Automations

Experian Information Solutions, Inc. is seeking a motivated Junior Salesforce Marketing Cloud Developer to support the development and maintenance of its Salesforce Marketing Cloud platform. This hybrid role based in London (40% in the office) involves collaborating with teams to build and deliver personalize ...

Innovative .NET Developer – Remote & Rapid Growth

Noir, based in Birmingham, is looking for a .NET Developer to create innovative web-based software applications. You'll work with modern technologies and have the chance to progress rapidly in your career. The company offers a competitive salary between £55,000 and £75,000, with additional bonuses and benefit ...

PowerApps Developer (Contract) SC Cleared / NPPV3

PowerApps Developer (Contract) - SC Cleared / NPPV3Please ensure you read the below overview and requirements for this employment opportunity completely.London (Hybrid - 3 days per week onsite)Initial 3 Months - Strong Extension PotentialUp to £520 per day (Outside IR35)We are currently seeki ...

Sr. Staff Engineer GPU Compiler Developer

Sr. Staff Engineer- GPU Compiler Developer Category: Chip Design Location: Cambourne Experience: More than 6 Years Work Expe. Job Description MediaTek Incorporated is a global fabless semiconductor company that enables nearly 2 billion connected devices a year. W ...

Senior Systems Developer – SQL/Oracle + Automation

Core-Asset Consulting Ltd is seeking a Senior Systems Developer for a hybrid role in Glasgow, responsible for database administration, development, and systems support. This position requires strong experience with SQL Server and Oracle, along with the ability to automate tasks and support financial systems. ...

Quantitative Developer | Electronic Trading & Systematic Modelling

The Role: This is a build-heavy quant engineering role sitting close to electronic trading, focused on creating the infrastructure that allows research teams to test and scale trading ideas properly. You will be working on the environment that sits behind systematic strategies, improving how mode ...

SQL/BI Developer (Power BI, SSRS)

Salary: £40,000 - 40,000 per year Requirements Strong SQL Server and database development experience Hands‑on experience with Microsoft Power Platform Knowledge of Power BI, SSRS and reporting solutions Understanding of data modelling, ETL proce ...

Senior Full Stack Magento 2 Developer

Salary: £50,000 - 65,000 per year Requirements Strong commercial Magento 2 experience, with at least 5 years experience required Strong proficiency in PHP, MySQL, OOP and Magento's ORM Ability to develop Magento modules and customise themes Expe ...

Developer Other Registers (Bid ID OR017)

Developer - Other Registers (Bid ID OR017) Job Type Contract/Temporary Location Edinburgh Negotiable Job Ref BBBH _ Date Added Consultant max maclaren AWS Serverless Developer - Scotland (Hybrid) - Up to £475 per ...

Hybrid .NET Developer — Umbraco & Full Stack

Design Portfolio is searching for a Full-Stack .NET/Umbraco Developer to join their team in the United Kingdom. The role involves developing web applications and managing content management solutions with Umbraco and .NET technology. You will take ownership of features and work collaboratively in a flexible h ...

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 Data Engineer (Python Enterprise Developer)

Role: Senior Data Engineer (Python Enterprise Developer)Experience: 8+Years Work mode: HybridLocation: London  Must have skills:-Python, Postgres SQL, Azure Databricks, AW ...

Automation Developer: RPA & Power Platform Specialist

NHS is seeking an Automation Developer to enhance digital capabilities and drive intelligent automation across Trusts. You will develop and maintain RPA and Power Platform applications while supporting process improvements. This full-time position requires collaboration with various teams to ensure robust, se ...

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 ...

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 ...

Windows/.NET Developer for Cloud Modernisation

A leading organization in Essex is seeking an experienced Windows Developer to design, develop, and maintain high-quality applications and services. The role requires a minimum of 3 years' experience in C# / .NET and a strong background in SQL Server and APIs. You will work in a collaborative environment, refact ...

Graduate Software Developer: Health Tech Impact

TPP in Horsforth is seeking bright graduates for a Software Developer position to tackle real-world problems in healthcare software development. You will engage in an agile team, working on significant projects such as AI tools for early cancer diagnosis and patient management apps. With an excellent s ...

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 ...

Remote Senior .NET Full Stack Developer

Ashdown Group, a well-established family-owned technology company, is seeking a Senior Full Stack Web Developer. This role offers the flexibility to work from home while being integrated with a small, agile team. The successful candidate will modernize critical websites using Microsoft technologies and ...

Senior C# Developer .Net Core FinTech

Newcastle upon Tyne, Tyne and Wear | £100k - £130k per year Senior C# Developer / Backend Software Engineer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a backend focused C# Developer with a strong academic background, looking to take the next step in your career? This is a ...

Python Developer, Contract or Permanent, London

Python Developer, Contract or Permanent, London We are searching for a Python Developer to add to the European PM Analytics and Technology team. The team develops and enhances applications used globally by Account and Portfolio Management teams. You will assist in the design, construction and enh ...

Quantitative Developer — Live Execution & ML Systems

Anson Mccade is seeking Quantitative Developers for our London office. You will be responsible for developing and maintaining robust production-grade code while managing orders across various MFT strategies. A strong programming background and experience with execution systems in the financial technology sect ...

Lead Backend/Fullstack Developer | £80,000 | Hybrid

Lead Backend/Fullstack Developer £80,000 Hybrid Pearson Carter are currently working with a leading estate agency within the UK who are looking to expand and innovate within their Development team. Get in touch if you’re looking for y ...

Senior C# Developer: ASP.NET & Cloud Solutions

A reputable software recruitment agency is seeking a skilled Senior C# Developer to join their client's team. This position involves developing innovative applications for the energy, education, and AI sectors. Candidates should have over 5 years of experience with ASP.NET MVC and C#, as well as familiarity with ...

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 ...

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 ...

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