36,905+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Software Engineer (Java) in London iManage

Senior Software Engineer (Java) London, United Kingdom Posted 9 months ago Tech stack REST Cloud Manager Spring Framework Software Engineer Java Code Development Setting the foundation of the application. We u ...

Senior Java Payments Engineer Hybrid, Scale & Reliability

Starling is looking for highly motivated engineers to join their Payment Schemes team. With a primary focus on Java, you will play a key role in building and maintaining systems for payment integrations to ensure stability and accuracy. Your work will help in delivering mission-critical services, worki ...

Senior Java Engineer – Customer Service Platform (Hybrid)

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fa ...

Lead Java Engineer — Ultra Low Latency Systems

Orbis Group is seeking a Technical Lead - Low Latency Java Engineer based in London. You will join a specialized engineering team responsible for constructing high-performance exchange systems from scratch. This is a unique opportunity to design and optimize systems with performance levels measured in ...

Technical Lead Low Latency Java Engineer Greenfield

Technical Lead - Low Latency Java Engineer - Greenfield London | 4 Days Onsite We're partnered with a technology-driven trading and market infrastructure business building the next generation of high-performance exchange systems. This is an opportunity to join a small, highly spec ...

Principal Java & AWS Engineer for Cloud Performance

LSEG is seeking a Principal Engineer to be the senior technical expert in our Risk Screening platform based in Greater London. You will lead implementations and ensure that designs meet high standards for performance and scalability. The ideal candidate will bring extensive experience with Java, AWS, a ...

Java Backend Engineer — Cloud Native & Distributed Systems

VanRath in Dundonald is seeking a Backend Software Engineer to join their established engineering team. You will be involved in developing backend systems and contributing to platform re-engineering initiatives. The ideal candidate will have a Bachelor's degree, 3+ years of Java experience, and strong ...

Senior Java Backend Engineer — Hybrid, Platform Architect

Spica Technologies, based in Birmingham, is seeking a Senior Java Backend Engineer to enhance the GemEx platform. This pivotal role involves designing resilient backend services, collaborating closely with cross-functional teams, and ensuring production reliability. The ideal candidate will have at lea ...

Java SDE II: Design, Deliver & Elevate Systems

Limelight Health is seeking a Software Development Engineer II - Java based in Greater London. This mid-level role focuses on implementing and delivering software solutions using Java and cloud technologies. The ideal candidate will mentor other engineers and ensure high-quality standards in development. ...

Senior Architect Java & AWS, Agentic AI Modernisation

Client Server is seeking a Lead Technical Architect (Java AWS Agentic AI) in London. In this hybrid role, you'll work three days in the office and have flexibility to work from home. You'll architect and lead the modernization of Core Banking platforms, collaborating with Teams across the business. The ...

Senior Java Engineer — Spring Boot, Azure, Hybrid

Searchability® is seeking a Senior Java Engineer in Welwyn Garden City to design and maintain backend services for high-traffic systems. The role offers full ownership of services, utilizing Java, Spring Boot, and Azure, with a hybrid working model of 2 to 3 days a week at the office. With a focus on s ...

Lead Software Engineer Backend Engineering Java/Kotlin

Lead Software Engineer - Backend Engineering - Java/Kotlin LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 01/14/2025, 08:19 AM Locatio ...

Remote Java Microservices Engineer (6 Month Contract)

Rsgroup is seeking a Software Engineer to develop AWS-based APIs for B2B EDI solutions. This remote role requires a minimum of 5 years of technical experience in cloud computing and Java-based services. You'll embrace agile development, own the software life cycle from design to operation, and bring a ...

Security & Systems Engineer — Linux/Windows, Oracle & Java

System and Security Engineer Edinburgh, UnitedKingdom Posted 9 months ago This is a job posted by our partner Jooble Tech stack SQL Windows Security Databases C Java Oracle Below is a snippet of the job description. To read the full text, please click on the ...

Java Backend Engineer — Fintech APIs & Microservices Hybrid

DolarApp is searching for a Backend Engineer to contribute to scalable backend systems that drive its innovative fintech products. The role emphasizes building REST APIs and microservices within a fast-paced environment. Ideal candidates will have strong Java expertise, a relevant Bachelor's Degree, an ...

Senior Software Engineer with Python and Java

Senior Software Engineer with Python and Java Our Client is looking to recruit brilliant Software Engineer with upwards of 5 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially ...

Java Microservices Engineer 12 Month Contract (London)

TechNET IT Recruitment Ltd is currently supporting a major global financial services organization looking to hire multiple Mid-Level Java Developers for long-term contract assignments in London. The successful candidates will work in a modern software engineering environment, contributing to enterprise-scale ...

Senior Architect Java & AWS, Agentic AI Modernisation

Client Server is seeking a Lead Technical Architect (Java AWS Agentic AI) in London. In this hybrid role, you'll work three days in the office and have flexibility to work from home. You'll architect and lead the modernization of Core Banking platforms, collaborating with Teams across the business. The ...

Lead Java Engineer Real Time Trading Systems

A leading electronic trading firm in the London Area is seeking a Lead Software Engineer to design high-performance trading solutions for front-office teams. You will work closely with exceptional engineers in a fast-paced environment committed to innovation and career progression. The company offers a competiti ...

Engineering Manager: Java AI for FinTech (Hybrid)

A leading technology recruitment firm in the UK is seeking an Engineering Manager (Java AI) to lead a team of AI Engineers. This role requires strong technical leadership skills and a solid background in software engineering, particularly in Java and modern architectures. The successful candidate will work in a ...

Java Software Engineer – Cloud & OpenShift (12m Contract)

Advanced Resource Managers Limited is hiring a Software Engineer for a 12-month contract. The role involves developing high-quality and maintainable code using Java and actively contributing to Agile methodologies. The ideal candidate will possess strong experience in Java, cloud services, and unit tes ...

Backend Engineer (Java/Spring Boot) — Hybrid London

Rightmove, located in London, is seeking a Backend Engineer to develop new features using Java, Spring Boot, and Kafka. This role involves collaboration across teams to ensure the implementation of high-quality, secure code with a focus on performance and user experience. The position offers a hybrid w ...

Java Full Stack Engineer — Hybrid, Growth & Learning

Netcompany, located in Greater London, is looking for an experienced IT consultant specializing in Java and full-stack development to join their team. This role offers a hybrid working model along with opportunities for hands-on coding and project management. The ideal candidate will have at least 2 ye ...

Remote Backend Engineer (Java/Spring) 6 Months

Harvey Nash Group is seeking a Back End Software Engineer to join their public sector client for an initial 6-month period, based in Glasgow or remotely. The role emphasizes developing features securely and providing support for application issues. The ideal candidate will have strong experience in Jav ...

Java Software Engineer — Real Time Trading Platform

Durlston Partners LLP is seeking a Java Software Engineer to join their London office, focusing on proprietary trading and execution platforms. This hands-on role offers real ownership from day one, working with algorithmic execution and systematic investing for institutional clients globally. The idea ...

Software Engineering Manager | Java, AWS & AI (Hybrid)

A recruitment agency is seeking a Software Engineering Manager in the UK to oversee a dynamic team within a growing SaaS company. You will be responsible for guiding technical strategies and managing up to 15 engineers while remaining hands-on with development tasks. The ideal candidate has 8+ years of experienc ...

Client Facing Solutions Architect: RPG/Java, Figaro

Role Description We are looking for a Solutions Architect to consult with clients, ensuring high‑quality designs that are practical, deliverable and maintain the integrity of FNZ’s products and services, helping clients meet their business objectives. Responsibilities Cont ...

Senior Full Stack Engineer (Java/AWS) – Hybrid

CACI is seeking a Senior Software Engineer to join their Bristol office. The candidate will work in an Agile team, focusing on designing and implementing software solutions. Ideal applicants should have strong Java and AWS skills, along with the ability to effectively engage with clients. Key benefits ...

Senior Cloud Native Application Architect (AWS, Java)

London Stock Exchange Group is seeking an experienced Application Architect to lead technical direction within the Risk Intelligence Engineering organization. This role focuses on creating architecture for high-performance applications while ensuring alignment with security and governance standards. Re ...

Senior Java Team Lead: Scale, Mentor & Deliver

TXP is expanding its Java capability and seeks an experienced Java Team Lead to manage Java teams across the UK and oversee offshore delivery centers. This senior role emphasizes high-quality outcomes, technical leadership, and fostering a supportive culture. The ideal candidate should possess a strong ...

Lead Public Cloud Platform Engineer Java/Python

United States Digital Space LLC is looking for a Lead Software Engineer to join the Cloud Engineering Acceleration team. You'll contribute to strategic public cloud solutions, guiding architecture direction and ensuring engineering excellence. Your role involves collaborating with teams, optimizing ser ...

Senior Java Backend Engineer IAM & Security (Hybrid)

PeopleWorks is seeking an experienced backend engineer in Basildon to design and build high-scale backend services. The role entails serving as a technical lead while ensuring secure and resilient platform standards. Ideal applicants will have over 8 years of experience with Java, web development, and ...

Senior Backend Engineer (Java) — Hybrid Platform Lead

Starling Bank is looking for Backend Software Engineers to enhance the Engine Platform, which powers innovative banking solutions globally. The role entails contributing to product development, leading projects, and fostering a culture of collaboration and learning. Ideal candidates will be engaged and ...

Software Engineer – Java, Python, Cloud, FinTech Focus

Aspect Capital, based in London, is seeking an experienced Software Engineer to enhance their Software Development team. The role focuses on utilizing technology to address business challenges in a fast-paced environment. The ideal candidate will have 4-6 years of software engineering experience, with ...

Senior Backend Java IAM Engineer – Identity Platform

Peopleworks is looking for a Software Engineer to join their Identity Management Services team in Essex. This role involves working on the core platform that powers identity infrastructure for a major banking and finance branch of a global manufacturing leader. The successful candidate will ensure the ...

Lead Java Backend Engineer — Workflow Orchestration & Microservices

DCV Technologies is seeking Java Developers at Mid to Lead level for a contract role in Burgess Hill, UK. This position offers a hybrid working arrangement with 2 days on-site. The ideal candidates will have strong Java backend expertise, focusing on enterprise-scale workflow automation and digital transforma ...

Java & Clojure Engineer for Fintech Data Platform

S&P Global is looking for a Java/Clojure Engineer to join their OTC Derivatives Data team in Greater London. You will develop new software and enhance existing applications, collaborating closely with product specialists. The role requires a depth of knowledge in Java and a willingness to learn Clojure. < ...

Java Engineer AI Driven Supply Chain & Systems

Urbanic, located in Greater London, is seeking a passionate Java Engineer to design and develop next-generation Supply Chain Management systems. In this role, you will troubleshoot production issues and collaborate closely with the Product, Operations, and Business teams. The ideal candidate has over 3 ...

Senior Java Engineer Ultra Low Latency Trading

Ocho People is searching for a Java Technical Specialist (Low Latency) in Belfast. This senior role involves developing high-throughput systems for a leading prediction markets trading firm. You'll design key components, ensure system performance, and have genuine architectural ownership. The ideal can ...

Senior Java Backend Engineer — Hybrid & Growth Path

Recommended Recruitment LTD is seeking a Senior Java Backend Engineer in Greater London. In this role, you will design and develop modern Java services using Spring Boot and play a significant part in shaping the next generation of backend services in a hybrid working environment. The position offers a ...

Senior Java Backend Engineer Scalable Microservices (Hybrid)

United States Digital Space LLC is seeking an experienced engineer in Haywards Heath, England, to build and maintain Java Spring Boot microservices. You will collaborate across teams to ensure high-quality code and optimized APIs while mentoring other engineers. This role emphasizes system design for s ...

Core Trading Java Engineer Low Latency Systems

IG KnowHow is seeking a Software Engineer for their Core Trading team to build low-latency, high-throughput trading systems. The ideal candidate will possess strong Java skills and contribute to the performance of financial products. This role emphasizes collaboration within a dynamic team and follows ...

Senior Java Backend Engineer – Cloud Native Finance

A leading consulting firm is looking for a Senior Backend Engineer (Java) to join their Technology & Engineering team in Scotland. This role involves designing and building robust cloud-native applications for Tier 1 financial institutions using Java, Spring Boot, and AWS. Candidates should have strong experienc ...

VP Java Engineer — FX Markets Tech Leader

Citi is seeking an Applications Development Lead in Greater London to manage development teams focused on innovative projects in the FX Technology group. This role involves overseeing team performance and stakeholder coordination while utilizing your extensive Java development experience to solve complex busi ...

Hybrid Java Software Engineer Spring Boot & Microservices

Michael Page seeks a Java Software Engineer to join their team in London, offering a salary of £50,000 to £60,000 per year. This hybrid role involves designing and maintaining software applications, and working closely with cross-functional teams to implement efficient solutions. The ideal candidate wi ...

Senior Data Platform Engineer – Java/Micronaut (Hybrid)

Marks & Spencer Plc is seeking a Senior Software Engineer to enhance their M&S Foods Product team. This role involves building and evolving reliable data services, shaping the technical direction of food data platforms, and ensuring technical excellence within an inclusive culture. Ideal candidates hav ...

Senior Java Backend Engineer Hybrid Payments Microservices

Getnet in Milton Keynes is looking for a skilled Software Engineer to develop high-quality Java applications. The candidate will design microservices, collaborate with cross-functional teams, and ensure the reliability and scalability of software solutions. With a focus on innovation, the role offers t ...

Senior Java Backend Engineer Cloud Native Microservices

A leading financial consulting firm is seeking a Senior Backend Engineer to design and build cloud-native applications with Java and Spring Boot. This role involves delivering high-impact solutions for Tier 1 financial institutions and managing CI/CD pipelines. The ideal candidate should have strong expertise in ...

Senior Java Engineer for Options Algo Trading

JPMorgan Chase & Co. is seeking a Lead Software Engineer for its Options Algorithmic Trading team in Greater London. You will design and optimize trading engines focused on options, collaborating with diverse teams to implement scalable algorithms. The ideal candidate has extensive Java experience, adv ...

Software Engineer: Scalable Java Apps (Flexible Hours)

Tracsis in Greater London is seeking a Software Developer to join their forward-thinking engineering team focused on delivering impactful technology. You will design and build high-quality software solutions that support critical systems and services. Your role involves taking ownership of features, co ...

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