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    • 48,363+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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    Senior Low Latency Trading Systems Engineer

    White Swan Data is hiring a developer to build cutting-edge trading systems that optimize cloud-based low-latency data processing pipelines. Candidates must have strong skills in Python and Java, along with experience in Google Cloud Platform and Docker. The position offers numerous benefits including ...

    Senior Scala Developer — Hybrid, Cloud & Full Stack

    A leading technology consultancy firm in the UK is seeking an experienced Full-stack Developer to support the full life cycle of software development. The role involves coding with technologies such as Scala, Java, and .Net, and offers fast-track career development opportunities. Candidates should have at least ...

    Senior Java Engineer Cloud Microservices

    Apexon, based in Greater London, is looking for a self-motivated senior developer who excels in creating innovative software solutions. With a focus on Java, Spring Boot, and cloud services, the ideal candidate should have over 5 years of commercial experience and a passion for clean, maintainable code. < ...

    Real Time Core Java Engineer Low Latency Trading

    Teza Technologies in Greater London is looking for a core infrastructure developer to enhance their real-time trading platform. The role demands proficiency in Java and C++ along with experience in building low-latency systems. You’ll be responsible for designing new functionalities and troubleshooting produc ...

    Java Desktop Engineer – Audio/DSP, Hybrid UK

    Redline Group is working with a small engineering business in Kidderminster, Worcestershire, seeking a Java Developer for their R&D team. This role involves developing features for a complex desktop application used in audio control, requiring travel to their HQ. The ideal candidate has experience with ...

    Senior ASP.NET Developer Build Cutting Edge CRM Solutions

    A leading technology employer in Greater London is seeking a Senior ASP.NET Developer to join their development team. The role involves full participation in software development from conception to deployment, working on innovative omni-channel CRM solutions for telecom services. The ideal candidate should have ...

    End to End Software Developer – FinTech Solutions

    Core-Asset Consulting Ltd is seeking a Software Developer to join their Newcastle team. This role offers an exciting opportunity to deliver innovative software solutions in a collaborative environment. Candidates should have strong programming skills in C#, .NET, Java, Rust, or Python, and a demonstrable reco ...

    Senior Java Backend Engineer — Spring Boot & AI Driven Dev

    Scrumconnect Consulting is looking for an experienced Senior Backend Developer. You will design and maintain scalable backend systems using Java and Spring Boot. The role involves optimizing APIs, collaborating with cross-functional teams, and utilizing AI development tools. The ideal candidate has ove ...

    Senior Android Engineer Kotlin, Lead, Hybrid Remote/Office

    GUARDIAN NEWS AND MEDIA is seeking a Senior Android Developer to join our Apps team in a hybrid working environment. You will work on developing our Android app using Kotlin and Java while leading the team in innovation and quality. The role offers competitive benefits including 30 days of annual leave ...

    AI Fleet Orchestration Engineering Lead

    Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale. The ideal candidate ...

    AI Native Platform Engineering Lead

    Job Search Place Limited is looking for an experienced leader for the Platform Developer Experience team. You will drive the development of AI-native backend systems and shape the integration of AI into our platform's infrastructure. The ideal candidate should have over 5 years of backend engineering e ...

    Python Developer for Fixed Income & Core Architecture

    Purview is seeking a skilled Python Developer to join their team in Glasgow, UK. This permanent role involves developing Athena, Quartz, and SecDB while ensuring a solid understanding of the core architecture and design. Ideal candidates should have strong experience in Python programming or Java appli ...

    Lead Software Engineer REST, SQL & Mentoring

    Aucerna, based in the City of London, is looking for a skilled Team Lead Developer to manage a team of developers. This role involves designing intuitive application workflows using WPF and creating RESTful APIs. Candidates should have over 8 years of experience in either C# or Java, along with strong ...

    Senior Platform Engineer Scalable APIs & TDD

    Proxime Limited seeks an experienced Senior Software Developer in London with strong skills in PHP, HTML, CSS, and Java. The role involves developing and maintaining the core platform which drives all customer-facing products, ensuring it is scalable and flexible for agile delivery. The ideal candidate ...

    Senior Backend Engineer for AI Powered, Scalable SaaS

    A forward-thinking technology company in Greater London is seeking a Back-End Developer to work on AI-powered products. You will design and maintain scalable back-end systems while collaborating with data scientists and engineers. The ideal candidate has 3–5 years of experience in back-end development, strong kn ...

    Cloud & Full Stack Developer (C/JS) – AWS/Azure, UK

    Java Script Works is searching for a Software Developer based in Manchester, United Kingdom. The ideal candidate should have strong programming skills in C and JavaScript, with experience in cloud platforms such as AWS and Azure, and proficiency in SQL database management. This full-time position offers a compet ...

    TypeScript Node.js Engineer for AWS IoT & Vision

    Java Script Works is looking for a TypeScript Node.JS Developer to join their cloud services team in London, UK. The role involves developing a workflow and process management system that harnesses real-world IoT device data, including location tracking and computer vision. The successful candidate will have the ...

    Senior Backend Engineer Java/Go Microservices & Security

    A technology solutions provider is seeking a backend developer skilled in Go and Java for developing secure, scalable applications. The role involves working within a team focused on mobile security, delivering innovative features and enhancements. Candidates must have expertise in REST APIs, microservices, and ...

    Full Stack GIS Developer — Impactful Public Sector Tech

    A digital transformation consultancy in the UK is seeking a Full Stack GIS Developer to design and deliver innovative solutions that tackle complex public sector challenges. You will work with an experienced team, utilizing technologies such as .NET, Java, and Python in a supportive environment that fosters care ...

    Java Cloud Engineer AWS, DevOps & CI/CD

    A leading technology solutions provider in the UK is looking for a competent Java Developer to enhance and maintain software systems that meet user needs. This full-time role requires significant experience in AWS cloud services and various development tools including AngularJS and Jenkins. Candidates should pos ...

    Graduate Software & AI Engineer — London

    Graduate Recruitment Bureau is offering a full-time position as a Graduate Software and AI Developer in London, United Kingdom. Candidates must possess a 2:1 degree or above in computer science or related fields. Experience with Java, SQL, and C# is advantageous, alongside strong analytical and problem-solvin ...

    Fintech PHP & JavaScript Engineer

    Java Script Works is hiring a PHP JavaScript Developer in Greater London to join a rapidly growing fintech company. Candidates should be proficient in JavaScript, especially in object-oriented and asynchronous programming, along with PHP, HTML5/CSS3, SQL, and GIT. Experience with Node JS and Angular JS is a plus ...

    Senior Oracle APEX Architect

    Projects Expert UK Limited is seeking an experienced APEX developer to create and design bespoke solutions using the Oracle APEX toolset. The role requires demonstrable knowledge of Oracle APEX and complex PL/SQL code development, with additional skills in Java, SQL, and Cloud technologies. The ideal candidate s ...

    IT Development Lead for SME Growth & Innovation

    A growing IT firm based in Washington, England, is looking for a Developer to play a crucial role in supporting and developing applications to help double turnover over the next five years. Ideal candidates will possess strong programming skills in Java Script, SQL, HTML, and XML. This is a unique opportunity to ...

    Senior Java Backend Engineer – Data Platform

    A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high levels of automated testing, and integrate with various systems ...

    Senior SDET Java & Cloud Automation (Hybrid London)

    Ports North is seeking a Senior Software Developer in Test with expertise in Java and cloud automation to join the team in London. This hybrid role involves ensuring quality and reliability of data pipelines and APIs through automation. The ideal candidate will design and implement scalable test soluti ...

    Full Stack Developer — Growth Driven, Hybrid Role

    A technology consultancy in Greater London is seeking an experienced software developer to contribute to all stages of the software development lifecycle. The ideal candidate has over 2 years of IT experience, a degree in Software Engineering, and proficiency in Java and database management. This role offers a h ...

    Senior Endur Developer for Trading & Risk

    Infosys Consulting in Greater London is seeking an experienced developer specializing in Endur to drive software solutions for the energy sector. You will join a dynamic team dedicated to delivering value through innovative trading and risk management systems. Your role involves developing Endur soluti ...

    Senior Backend Engineer – AI Powered SaaS, Scalable

    A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

    Senior Java Engineer — Agile Leader & Mentor

    Heywood, a leader in pensions administration, is seeking an experienced Java developer to join their team in Altrincham. The successful candidate will drive innovative solutions and collaborate with cross-functional teams to shape impactful features and products. You'll be empowered to use modern engin ...

    Java & C++ Software Engineer Hybrid (Oxfordshire)

    Halliburton in Abingdon is seeking a skilled Software Developer to join their team. This hybrid position requires working on new products and features using Agile methodologies, collaborating with architects and developers. The ideal candidate should have over 4 years of Java and C++ experience, famili ...

    Cloud DevOps Engineer AWS, Terraform & Kubernetes

    Mercator Group is seeking a Software Developer (Java) for their Crowborough office. In this role, you will design and optimise cloud infrastructures, primarily using AWS, and work closely with client teams to deliver impactful digital services. The ideal candidate will possess substantial experience wi ...

    Senior Backend Engineer Java/Spring, SC Clearance

    Coltech is seeking an experienced Software Developer / Engineer to join a secure, large-scale financial services programme in Greater London. This role involves hands-on engineering within a collaborative team, enhancing critical backend services in a distributed architecture. The ideal candidate will ...

    Backend Engineer: Real Time Data Orchestration (Java/Go)

    Cirata is seeking a Software Engineer for its Symphony Engineering Team in Belfast. The successful candidate will have 2+ years of experience, focusing on backend services in Java and Go, working on enterprise-scale systems with a hybrid work model. The role emphasizes real-time data orchestration and ...

    Senior Real Time Trading Systems Developer

    White Swan Data seeks a Senior Software Developer in London to join our dynamic engineering team. You'll design and develop low-latency data processing pipelines and maintain integrations with trading platforms. Ideal candidates will have proficiency in Python, Java, and Google Cloud Platform, along with expe ...

    Senior Real Time Trading Systems Engineer

    White Swan Data is seeking a Senior Software Developer to join our Engineering team in London. You'll design and optimize low-latency data processing systems that execute automated trading strategies. A dynamic environment fosters collaboration and innovation, where your contributions significantly impact our ...

    Senior Backend Engineer — AI Powered SaaS

    A fast-growing tech company in the UK is looking for a Back-end Developer to work closely with the Product team and Data Scientists. The role involves designing and maintaining back-end services while ensuring high performance and reliability. The ideal candidate should have a degree in Computer Science, 3-5 yea ...

    Big Data Engineer (Python) ETL & Pipelines

    Information Tech Consultants is hiring a Big Data Developer to start on 14th July 2026. This role requires strong experience in Python and experience in building scalable data pipelines and ETL processes. The ideal candidate will have 2–5 years in data engineering with knowledge of SQL, Scala, and Java ...

    Salesforce Developer: GenAI, APIs & Wealth Tech

    Join 3761 Barclays - BX - UK in Glasgow as a Salesforce Developer within Private Bank Wealth Management. This role supports a large-scale front office productivity programme and involves building backend microservices, API-led integrations, and scalable workflows on Salesforce. The candidate will work ...

    AI Fleet Orchestration Engineering Lead

    Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale. The ideal candidate ha ...

    AI Fleet Management Leader — Platform, Flexible Location

    Spotify is looking for a leader for the Platform Developer Experience (PDX) team, focusing on building AI-native backend systems. The ideal candidate will have over 5 years of backend engineering expertise in Java, Python, or Node.js, along with 3+ years leading engineering teams. This flexible role allows for r ...

    Senior eFX Developer (VP) – Low Latency FX Trading Lead

    EC1 Partners is seeking a Senior eFX Developer to join the London team. This role involves developing cutting-edge high-performance trading systems in Java and Rust and working closely with trading and quant teams. The ideal candidate will have over 10 years of software development experience in financ ...

    Platform Lead Developer: Cloud‑Native Backend & APIs

    VOIS is seeking a Platform Lead Developer to design, build, and maintain cloud-native services for Vodafone’s Digital & IT Platform. This role involves collaborating with cross-functional teams to deliver secure and scalable digital capabilities. Candidates should have over 7 years of software engineer ...

    Mobile App Developer Android & iOS (Contract, London)

    Java Script Works is seeking a Mobile Application Developer for both Android and iOS based in London, United Kingdom. This contract position requires skills in JavaScript and experience with Cordova, among other technologies. Candidates should have a background in mobile development and familiarity with frame ...

    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

    AI Fleet Orchestration Engineering Lead

    Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale.The ideal candidate has ...

    Guidewire Claim Center Developer

     JOB DETAILSRole Title: Guidewire CC Lead DeveloperPossibility of remote work: Hybrid | 3 days in the office/ weekContract duration: 6 MonthsLocation: LondonRequired Core Skills:• Strong working experience Guidewire ClaimCenter• Java and Gosu• Insurance P& ...

    Android Developer EdTech in London onebillion

    Android Developer - EdTech London, United Kingdom Posted 10 months ago onebillion is a non‑profit software publisher dedicated to providing reading, writing, and numeracy education to marginalized children worldwide. Through their award‑winning app 'onecourse,' they offer personal ...

    Guidewire Claim Center Developer

     JOB DETAILSRole Title: Guidewire CC Lead DeveloperPossibility of remote work: Hybrid | 3 days in the office/ weekContract duration: 6 MonthsLocation: LondonRequired Core Skills:• Strong working experience Guidewire ClaimCenter• Java and Gosu• Insurance P& ...

    Front End Developer

    Salary: £40,000 - 45,000 per year Requirements Strong front-end web development experience Strong experience with React Experience providing scalable front-end architectures Strong understanding of component-driven design and state management </ ...

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