36,378+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior .NET Developer AI Enabled Customer Platform

Addition, located in Hertfordshire, United Kingdom, is seeking a Senior .NET Developer to take ownership of their B2B customer portal. You will manage back-end services and system integrations, while collaborating in an agile environment. The ideal candidate will have strong experience with C# and .NET ...

Junior Data & SQL Developer Hybrid, Training & Bonus

Vensis is seeking a Junior Developer to work in a hybrid role from its office in Brough, Hull. You will join a collaborative team, learning to develop bespoke software systems for various clients while enjoying opportunities for growth and travel. The role requires a Bachelor's degree and some experien ...

Delphi Developer Remote Opportunity with Growth & Benefits

Octad Recruitment Limited is looking for a dedicated Delphi Developer to join their team in England. This permanent position offers a competitive salary of £35-70k based on experience and encourages a culture of growth and innovation. The ideal candidate should possess excellent Delphi skills and a str ...

Remote Freelance Developer Consultant (Kotlin) AI Trainer

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power ...

Graduate .NET Developer – Remote Banking Tech & Training

Noir is looking for Graduate .NET Developers to join their teams in London, working on exciting investment banking applications. You will gain extensive training in .NET 9, Azure, and Angular 19, among other technologies, while being part of a prestigious organization with a rich history. The position ...

SC Cleared Solution Developer Systems Integration Contract

Outsource is hiring a DIG - Solution Developer based in Filton, Bristol. This contractor opportunity offers a 12-month contract with a rate of £53.73 per hour PAYE or £72.54 per hour Umbrella. The role requires an experienced Solution Developer to support a major defence programme within a lab-based en ...

Senior PHP Developer — Hybrid, Client Focused Ownership

Spectrum IT Recruitment is seeking a Senior PHP Developer to join their technical team in Chichester. The role involves designing, developing, and maintaining bespoke web applications, with a strong focus on modern, object-oriented PHP 8. You will work directly with clients to deliver meaningful outcomes and ...

Full Stack AI Developer – Consultant / Senior Consultant

Full Stack AI Developer – Consultant / Senior Consultant Join to apply for the Full Stack AI Developer – Consultant / Senior Consultant role at Women in Data® Capgemini is a global business and technology transformation partner, helping organizations to accelerate their di ...

HR Systems Consultant/Developer (Zellis) 12m FTC

Overview HR Systems Consultant/Developer (Zellis) 12m FTC – Solus, an Aviva company Join to apply for the HR Systems Consultant/Developer (Zellis) 12m FTC role at Solus – an Aviva company. Responsibilities Configure ResourceLink to meet specific HR and payroll requireme ...

NET Developer – Sports Analytics & Web Apps (Remote)

Noir is seeking a talented .NET Developer to join a global sports brand based in Cowes, Isle of Wight. This role involves contributing to greenfield projects aimed at developing innovative web applications and data analytics software for high performance athletes. The ideal candidate will have a strong ...

NetSuite Developer Remote, AI Driven ERP & Automation

Connor Fox Recruitment Solutions is seeking a skilled NetSuite Developer for a remote role. You will be responsible for developing, maintaining, and supporting custom NetSuite solutions. Ideal candidates should have strong SuiteScript skills and experience working with NetSuite transactional data. This ...

Senior Microsoft Developer: Azure & M365, .NET | London

A prominent recruitment agency is seeking a Senior Consultant in Technology Recruitment to support a major enterprise programme. The ideal candidate will have extensive experience with the Microsoft Tech Stack, including M365 and Azure, and strong skills in C#, PowerShell, and various Azure services. This hybrid ...

Backend Software Developer (Python) London £90,000 + Comps

Backend Software Developer (Python) - London - £90,000 + Comps We’re looking for a Backend Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s pushing boundaries. What you’ll do Design, build, ...

Power BI Developer: Data Insights & Hybrid Role

FRG Technology Consulting is looking for a Power BI Developer on a fixed-term contract to enhance data-driven decision-making. In this hybrid role, you will leverage your expertise in Microsoft Business Intelligence products to engage in significant data projects. The ideal candidate must have proven e ...

Python Developer for Scalable FinTech Data Platform

A leading fintech recruitment firm in London is seeking a Python Developer with strong technical and communication skills. In this role, you will develop a scalable data platform and collaborate with top technologists from various tech houses to create innovative software solutions in finance. Candidates should ...

Software Developer (Contract) – Higher Education Projects (UK)

A recruitment agency is looking for Software Developers to support universities and colleges across the UK as they modernise their digital environments. The role involves contributing to the design and maintenance of software solutions that support educational institutions. Applicants should have a background in ...

Senior Digital Learning Developer — Part Time Jobshare

A leading global financial services firm in the UK is seeking a Digital Learning Developer II to create innovative learning solutions. This role involves developing video-based learning, using tools like Adobe Creative Cloud, and applying Agile methodologies. Ideal candidates will possess a bachelor’s degree in ...

Naval Oracle APEX Developer — SC Cleared (Hybrid)

Arm is seeking an Oracle Forms Developer for a 6-month contract based in the UK, offering hybrid working with 2 days onsite. You'll be part of the Digital Solutions Team, contributing to the support of the UK naval fleet. The ideal candidate has strong expertise in Oracle APEX, PL/SQL, and JavaScript, ...

Quant Developer — Python/C++ for Production Trading

A leading quantitative investment firm in London is seeking a Quant Developer to join their trading group. The ideal candidate will have exceptional programming skills in Python and/or C++ and a solid understanding of core computer science principles. This role offers the chance to work with top-tier researchers ...

Junior Quant Developer C# London £75,000 + Comps

Junior Quant Developer - C# - London - £75,000 + Comps 2 days ago – Be among the first 25 applicants. Quantitative Technology Headhunter at Hunter Bond Location: London Type: Hybrid We’re representing a leading global trading firm seeking a talented Risk Technolo ...

Remote AI Focused Full Stack Developer (Junior)

iO Associates is seeking a Junior Full Stack Developer in the UK to join their innovative technology business. This role offers the chance to work on cutting-edge products for major financial brands and focuses heavily on AI technologies. As part of a collaborative team, you'll contribute to the design ...

Senior Systems Developer Build & Integrate In House

A leading financial services company is seeking a Mid-Senior IT Developer based in the UK. This role involves the development, maintenance, and enhancement of in-house solutions. The ideal candidate will have a Bachelor's degree in System Development, strong SQL and .NET skills, and experience in the financial i ...

Salesforce Marketing Cloud Developer — Hybrid, Global Impact

A leading consulting firm in the UK is seeking a Salesforce Marketing Cloud Consultant to deliver solutions that enhance clients' Marketing Automation strategies. The role requires at least 4 years of Salesforce Marketing Cloud experience and strong technical skills in SQL, CSS, and SSJS. You will work closely w ...

Staff Software Engineer Content Domain

We’re looking for a Staff Software Engineer to play a pivotal role in evolving M&S’s Content Domain platform. This team provides the foundational content and media capabilities that power every digital experience across the business. Your “customers” are product teams, engineers, and content teams — and your ...

Staff Software Engineer Content Domain

We’re looking for a Staff Software Engineer to play a pivotal role in evolving M&S’s Content Domain platform. This team provides the foundational content and media capabilities that power every digital experience across the business. Your “customers” are product teams, engineers, and content teams — and your ...

Senior Software Engineer

Senior Software Engineer Department: Delivery Employment Type: Contract Location: London Reporting To: Chris Nickson Description Sabio Group is a trusted expert in Contact Centre, AI and Data. We design, build and run autom ...

Software Engineer

Overview hackajob is collaborating with Made Tech to connect them with exceptional professionals for this role. Are you a Software Engineer that wants to actually see real-world impact from what you help to create? Our mission is simple! We believe we can use tech to make public services be ...

Platform Engineer

CAIS is seeking a Platform Engineer to join our high-performing team responsible for architecting, engineering, and maintaining the foundation of our cloud platform. The team designs and operates AWS infrastructure, manages CI/CD solutions, and builds observability systems that ensure reliability, scalabil ...

Technical Enablement Trainer

Flowable is a leading provider of intelligent process and case automation solutions, trusted by global enterprises to power mission‑critical business operations. With our next‑generation Agentic Case Platform, we orchestrate people, systems, and AI to deliver real business outcomes – faster, smarter ...

Senior Engineer (Full Stack)

Job Overview TP ICAP has partnered with Amazon Web Services (AWS) to build the next generation of the Fusion Platform and make it a global market infrastructure. This role will be working in a new team to build out a new platform based on the latest technology and architecture. You will be working ...

Software Engineer IV

Your job Staffing Solutions is the technology group within Indeed responsible for building the software that powers the Indeed Flex temporary staffing marketplace, managed-service provider service, payroll, and other staffing-related software. The Flexer Supply group within Staffing Solutions han ...

Senior Frontend Engineer

Requirements 3-5+ years of software development experience in a fast-paced, innovative, and complex environment Experience using technical writing and diagrams for brainstorming, design alignment, and cross-team communication Proficiency in Next.js 13+ (including App Rou ...

Fullstack Software Engineer Multiple Opportunites

Full Stack Software Engineer Location: Gloucestershire, Woking and Romsey Hybrid: Hybrid working across secure sites and collaborative engineering environments Salary: Competitive salary aligned to experience and clearance level Clearance: ...

Fullstack Software Engineer Multiple Opportunities

Full Stack Software Engineer Location: Gloucestershire, Woking and Romsey Hybrid: Hybrid working across secure sites and collaborative engineering environments Salary: Competitive salary aligned to experience and clearance level Clearance: A ...

Manager, Senior Platform Software Engineer

About Baringa Baringa is a global consulting firm that partners with leaders to drive change and create value. With deep industry expertise and advanced technology, we help clients deliver with greater confidence and certainty. We operate across energy, financial services, government, consumer pr ...

Senior Software Engineer

Join to apply for the Senior Software Engineer role at Raytheon UK . Get AI-powered advice on this job and more exclusive features. Date Posted Country United KingdomLocation Gloucester, 18b Ley Court, Barnwood Industrial Estate, Barnwood, G ...

Senior FPGA Design Engineer

Title: Senior FPGA Design EngineerDate: 15 May 2026Location: United Kingdom, Whiteley, Hampshire, GB About Us Domo Broadcast Solutions (DBS) is the leading manufacturer of best‑in‑class broadcast solutions that enable some of the most celebrated and demanding events and sporting ...

Senior Software Engineer

About this job Role: Senior Software Engineer Locations: Gloucestershire | Manchester | London (Hybrid / Remote Options Available)Salary: £40,000 - £75,000 + Comprehensive BenefitsType: Full-time, PermanentPLEASE NOTE: This role req ...

Software Engineers (DV Security Clearance)

Position Description: Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized by Forbes Magazine as a top employer. Our mission is rooted in evolution, excelling in intricate challenges. Collaborating directly with our clients, we ...

Software Engineer

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expan ...

Senior Software Engineer (JVM, Kotlin)

Senior Software Engineer (JVM, Kotlin)Simple MachinesHybrid · Full-time · London, UKAbout Simple MachinesSimple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at t ...

Software Engineers (DV Security Clearance)

Position Description: Elevate your potential with CGI, a global technology service provider and premier business consultancy recognized by Forbes Magazine as a top employer. Our mission is rooted in evolution, excelling in intricate challenges. Collaborating directly with our clients, we ...

Senior Software Engineer

About this job Role: Senior Software Engineer Locations: Gloucestershire | Manchester | London (Hybrid / Remote Options Available)Salary: £40,000 - £75,000 + Comprehensive BenefitsType: Full-time, PermanentPLEASE NOTE: This role req ...

Software Engineer

Hamiltonian Dynamics is a growing technology company working across Defence and Cyber Security, delivering software solutions that support critical national and enterprise systems. With teams based in Gloucestershire, Manchester, and London, we are entering an exciting new phase of expan ...

AI/Agent Engineer

Location: London Office attendance: 4 days per week in-office (Paddington) About Vega Vega is an early-stage startup. There's no playbook, limited structure, and the expectations are high. Our goal is to build a generational company – we know this is not for everyo ...

Senior Software Engineer

We are looking for a Senior Software Engineer to join our Digital Finance Lab to develop and deliver innovative payment solutions and services for our customers and business. The Lab will focus on tasks that bring real value to the group by exploring opportunities in the Digital Assets and Payments Da ...

Software Engineer

Are you a Software Engineer that wants to actually see real‑world impact from what you help to create? Our mission is simple! We believe we can use tech to make public services better. We also believe this can happen best when our own team represents the society that actually uses the services we work on. ...

Senior Software Engineer (AVP) – Margin Technology

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we ...

Back End Software Engineer

Back End Software Engineer Department: Engineering Employment Type: Full Time Location: London, UK Compensation: £57,000 - £75,000 / year Description We are a team of about 50 engineers who collaborate closely and take prid ...

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