32,186+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Software Developer: Cloud Native Backends & Modern UI

慨正橡扯 is seeking a Senior Software Developer to join an advanced defence training alliance in Warminster, England. The role involves building scalable, secure, and cloud-native applications while working closely with the Software Lead and collaborating with other defence training organisations. Candidat ...

Hybrid SQL/BI Developer: Power BI & SSRS Expert

JNC Recruitment Limited is seeking a SQL/BI Developer to join their growing team in Grimsby, offering a salary of £40,000 per year. This hybrid role involves designing and developing innovative data-driven solutions using Microsoft technologies such as SQL Server, Power Platform, and Power BI. The idea ...

Remote Ruby on Rails Developer | 12 Month Contract

International Business Solutions Consult in Portsmouth is looking for a Software Developer specializing in Ruby on Rails. The role involves working remotely with 3-4 days onsite each month, focusing on delivering significant development upgrades over the next 12 months. You will participate in system a ...

Senior C#/.NET Developer — Hybrid, Up to £90k

Client Server is seeking a Senior C# Developer in Reigate, England, offering a competitive salary of up to £90,000 plus bonuses and benefits. The role involves contributing to a flagship desktop insurance platform in a flexible hybrid work environment with two days in the office and three days working from ho ...

SQL & Python BI Developer for Power BI Dashboards

KBR, Inc is seeking a SQL/Python Developer based in Swindon, England. The role involves developing BI datasets and maintaining the Reporting Data Warehouse, working closely with the Estates Intelligence BI team. The ideal candidate should have extensive experience with SQL, Python, and Power BI, and wi ...

Senior Software Developer: Lead & Deliver High Impact Apps

Rockfield Specialist Recruitment is searching for an experienced Senior Software Developer to join a leading software company in Monmouth, Wales. In this pivotal role, you'll contribute significantly to the development team, focusing on delivering high-quality software and leading projects to enhance the core ...

Hybrid Angular UI/UX Developer for Enterprise B2B

Cool Code Company Ltd is seeking skilled developers for a hybrid role based in the Midlands. Candidates must possess at least 3 years of experience in B2B development, with strong skills in Angular and the ability to work independently. Expect a thorough interview process, including meetings with management t ...

Public Sector BI Developer: Power BI & Analytics (Hybrid)

Sivara GmbH is seeking a Business Intelligence Developer to join the Lincolnshire Police Force in Nettleham, Lincoln. This temporary, full-time hybrid role consists of 37 hours per week, Monday to Friday, offering an hourly rate of £17.97 and requiring a full UK driving licence. The successful candidat ...

Frontend Developer | Vue 2/3, Hybrid London, Impact

Brown & Brown is seeking a Frontend Developer to join their team in London. The role focuses on enhancing an insurance platform using Vue.js and jQuery while working in a collaborative and flexible environment. Candidates should have strong skills in HTML, CSS, JavaScript, and modern web technologies. ...

Senior Salesforce Developer 6 Month Contract (Remote UK)

Une entreprise de technologie recherche des experts Salesforce pour plusieurs rôles, y compris un développeur senior et des administrateurs, dans le cadre d'une transformation majeure. Les candidats doivent avoir des compétences en développement Salesforce et une expérience en milieu exigeant. Le travail peut se ...

SQL Server Developer: SSIS/SSRS & Data Pipelines (London)

Jas Gujral is looking for a SQL Server Database Engineer in Central London, requiring 5 to 7 years of expertise with SQL Server, SSIS and SSRS. The role involves developing data pipelines, supporting SSIS ETLs, and integrating SharePoint for process automation. Candidates should have a degree and strong proficie ...

Public Sector Salesforce Developer – Remote, SC Clearance Eligible

A major public sector contractor in the United Kingdom is looking for an experienced Salesforce Developer for a multi-year project. This mainly remote role includes occasional travel to London. Candidates should possess experience in Salesforce development and have the ability to work within a secure environment ...

GenAI Senior Lead Developer — AI Enablement & Full Stack

Broadridge is seeking a Senior Lead Developer to join our AI Enablement Team in Greater London. The role involves designing and implementing solutions to enhance AI capabilities, focusing on GenAI projects. Candidates should have a degree in a relevant field and at least 7 years of experience in IT solutions, wi ...

Oracle Cloud Payroll Developer – Bristol (3 days onsite)

eTeam Workforce Limited is seeking a Software Developer based in Bristol. This role entails working three days a week onsite, focusing on payroll development and support for high-priority changes. Key responsibilities include working with Oracle Cloud applications and ensuring seamless integrations within cor ...

C# .NET Desktop Developer – WPF/WinForms | Production Support

Adecco is looking for a C# .NET Developer to join a leading global bank's technology team in London. This role involves developing and maintaining critical desktop applications (WPF/WinForms) and providing ongoing support for production systems. The ideal candidate will possess strong experience with C ...

Senior BI Developer Power BI & Analytics Lead (Hybrid)

The Open University is looking for a passionate Senior BI Developer to turn data into insightful information for strategic decision-making. You will take the lead on reporting, deliver high-quality dashboard solutions, and ensure robust data interpretation. This role requires excellent leadership skill ...

Senior.NET Developer – Data & Product Analytics (Health Insurance Platform)

Build the product and follow the data Mission We’re Cegedim Insurance Solutions, on a mission to enable health insurers to rapidly add value through our technology solutions. Actisure is our award-winning product which has led us to become a leading worldwide supplier of software ...

PHP Developer in Shoreham By Sea Focus Group

PHP Developer Shoreham-By-Sea, United Kingdom Tech Stack SQL JQuery MariaDB MySQL CSS HTML5 Laravel Bootstrap PHP Vue.js JavaScript Requirements ...

Hybrid C# .NET Developer | Flexible Hours & Profit Sharing

A software development company in Billingham is seeking a C# .Net Developer to work on projects for international clients. The role involves designing and developing efficient code and APIs, collaborating in a team, and ensuring high-quality documentation. The ideal candidate should have experience in web and mo ...

SC Cleared SQL Developer Hybrid 3 Month Contract

TRIA is seeking an experienced SQL Developer / Database Specialist for a critical public sector programme. This hybrid role requires 3 days per week in Stratford and focuses on high-performance SQL development and database optimisation in a complex data environment. The ideal candidate will have a stro ...

Lead Python Developer FinTech, Hybrid, Up to £120k

Client Server is seeking a Python Developer / Team Lead in London to lead a talented tech team. This role offers the flexibility to work from home twice a week. You will be responsible for delivering new features and enhancements while mentoring junior developers. The ideal candidate will have strong P ...

Full Stack .NET/Angular Developer for Healthcare Tech

RedRock Resourcing, an expanding technology company in Sheffield, is seeking a talented Software Developer to join its growing team. This role involves working alongside developers and stakeholders to create innovative applications that support essential healthcare services. The ideal candidate should ...

Senior Android Developer (Kotlin) — Build Core Mobile System

CHH in Birmingham is seeking an Android Developer to play a key role in building and evolving a critical mobile system. This hands-on position requires strong Kotlin proficiency and the ability to work in a fast-paced environment. The successful candidate will lead the design of Android applications, m ...

Systems Data Developer for ERP, Power BI & Reporting

Hewett Recruitment in Ledbury is looking for a Systems Data Developer to enhance data reporting within their ERP system. This role involves managing, maintaining, and generating reports across departments like Sales and Finance, as well as developing tools using Power BI and Excel. The ideal candidate ...

Lead Applications Developer SME – DoD C4IT Systems (OnSite)

A leading technology firm is seeking a Lead Applications Developer SME to support the Command and Control Afloat Integration Support for the U.S. Coast Guard. This on-site role involves managing systems, providing advanced technical analysis, and directing documentation efforts. Candidates should have a relevant ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute in the UK is looking for a passionate C++ Quant Developer who will contribute to building and improving our trading platform and data infrastructure. The ideal candidate should have a strong background in C++ and insights into quantitative trading. This role offers the unique opportunity to ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute is seeking a C++ Quant Developer in Portsmouth, UK. You'll work on developing data infrastructure for algorithmic trading while collaborating with experienced developers and traders. The role offers opportunities for significant responsibility and impact within the company. Must have at leas ...

Software Developer – High Performance I/O & Storage Systems

Viridien ( is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural ...

.NET Developer — Hybrid, Career Growth & 36 Days Leave

MCS Group is excited to announce a vacancy for a .NET developer to take part in developing innovative web-based platforms in Coleraine. This role involves enhancing customer-facing applications while working in a hybrid environment, balancing office and remote work. The ideal candidate will have experi ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute, based in the UK, is seeking a C++ Quant Developer to enhance trading systems and infrastructure. The role offers significant independence and opportunities for growth, requiring experience in C++ and strong analytical skills. You will work on varied projects, improve trading systems, and ha ...

Senior Proximity Developer for Real Time Trading Tools

Natixis Corporate & Investment Banking is looking for a Senior Software Developer to design and build real-time trading tools used by Front Office teams. The role involves direct collaboration with traders and quants, ensuring software solutions meet business needs in a fast-paced environment. Candidat ...

Post Sale AI Solutions Architect for Developer Workflows

Job Search Place Limited is seeking Solution Architects to assist engineering organizations in implementing AI-native software development. The role requires deep technical skills and collaboration with developers to configure environments and drive the adoption of innovative workflows. Ideal candidate ...

Python Developer: Front Office Trading Tech & R&D

A tech-native consultancy in London is looking for a Python Developer to join their Front Office R&D and Trading Technology team. The role involves designing and maintaining Python-based core libraries, providing L1/L2 user support, and improving system reliability. Ideal candidates should have a strong grasp of ...

ServiceNow Developer SC Cleared | Hybrid 6 Month Contract

Savant Recruitment is looking for a ServiceNow Developer for an initial 6-month contract based in London, Manchester, or Ipswich. The ideal candidate will possess over 3 years of experience in ServiceNow development and hold an active SC Clearance. You will work closely with architects and stakeholders ...

Head of B2B SaaS Marketing for Developer Tools

The Consulting Solutions is looking for a seasoned marketing leader to drive the marketing strategy for its B2B SaaS business based on the Backstage platform. This role is essential for building growth strategies to drive revenue and customer expansion, targeting technical audiences. Located in London, ...

Python Developer – Front Office R&D Trading Systems

Job Title: Python Developer – Front Office R&D Trading Systems Location: London, UK Employment Type: Permanent or Contract About Margo MARGO is a tech-native consultancy delivering high-value-added IT expertise to the financial services industry. We ...

Senior Temenos T24 Developer: Migration & TAFC/TAFJ Expert

Test Yantra is looking for a skilled professional with strong expertise in Temenos T24 and experience in TAFC to TAFJ migration. The ideal candidate will have a minimum of 5–7 years’ experience in T24 and demonstrate a solid understanding of database migration processes, including jBASE to Oracle conversions. ...

Senior Data Warehouse Developer SQL Server | London Insurance

Hanson Lee Resourcing Ltd is looking for a Data Warehouse Developer to join a pan-European insurer, focusing on the roll-out of their Financial Data warehouse across the UK and Europe. This contract position is initially for 6 months and may extend beyond that timeframe. The ideal candidate will have e ...

UK Data Solutions Business Developer – Mid Market Growth

KERV Interactive is looking for a Business Development Executive to generate new business and manage existing accounts within the UK team. This position focuses on mid-market clients and requires a minimum of 10 years in data solutions sales. The ideal candidate will have strong negotiation skills and ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute in the East Midlands is seeking a passionate C++ Quant Developer to develop and enhance trading platforms in a flexible work environment. You will take on significant responsibilities and be involved in shaping data infrastructure to elevate analytics and support quantitative trading. We val ...

SC Cleared Power BI Developer Onsite Yorkshire (Contract)

iO Associates is seeking a Power BI Developer based in Yorkshire, to work on a contractual basis until March 2027 with potential for extension. The successful candidate must have SC clearance and will be required on site weekly or bi-weekly. Key responsibilities include developing and maintaining Power ...

Salesforce Developer Up to £100k + Industry Leading Bonus

Salary: Up to £100,000 + Bonus + Package Location: London (Hybrid/Flexible) Sells: Direct mentorship from an experienced Salesforce Lead, ownership of business-critical CRM projects, exposure to Sales, KYC, Legal and Operations teams, modern Salesforce environment, e ...

Software Developer: VB/.NET, SQL & Access | SC Clearance

E1EW is seeking a Developer to join their team in Sheffield. The successful candidate will engage in a variety of projects that involve Visual Basic Application programming, Access Databases, and Microsoft SQL Databases. The role requires strong analytical skills for software development and interperso ...

Remote Oracle CX/Fusion Developer (PL/SQL/Cloud)

Rise Technical Recruitment Limited is seeking an Oracle CX/Fusion Developer to join their growing team in Spalding, England. This role involves developing and maintaining Oracle applications while translating business requirements into technical specifications. The ideal candidate will have significant ...

Hybrid C++ Quant Developer for High Performance Crypto

Wintermute in Oxford is searching for a passionate C++ Quant Developer eager to contribute to the innovative world of crypto trading. You will develop data infrastructures aimed at enhancing analytics and assist in optimizing trading systems, working closely with experienced professionals. This role of ...

Rust Developer – Elite Trading Firm, London : £80 180k

We are partnering with a world-class trading firm at the forefront of technology and financial innovation. They are seeking Rust Developers to join their highly skilled engineering team in London. This is a chance to work in an elite environment where cutting-edge tech meets global trading excellence. ...

BI Solutions Developer: Real Time Data & Cloud Analytics

Sussex Partnership NHS Foundation Trust is seeking a BI Solutions Developer to join their Digital Team. You'll drive innovative data solutions to transform how care is delivered across Sussex. The role includes managing development processes and mentoring junior developers while collaborating with stakeholder ...

Embedded Linux App Developer (MCX) – 6 Month Contract

g2 Recruitment is assisting in hiring an Embedded Linux Application Developer for a telecommunications client in Cambridge, United Kingdom. This contract role primarily involves the development of embedded Linux user-space applications to support various functionalities for the client. The successful c ...

Senior BASE24 eps Developer — Hybrid 12 Month Contract

Hawksworth is seeking a Senior Contract BASE24-eps Developer to manage the modernization of payment systems. The role requires strong expertise in BASE24-eps and scripting for component customization, focusing on the migration from BASE24-classic. Successful candidates will have a deep understanding of ...

Software Development Engineer, Rufus

DescriptionRufus is a generative AI-powered shopping assistant in the Amazon Shopping app designed to help answer a variety of shopping-related questions. Rufus makes it easy for customers to find and discover the best products to meet their needs by helping with product research, providing comparisons and r ...

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