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

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Senior Node.js Engineer Remote, UK Gov Projects

amber labs is looking for a Senior Software Developer to join their team. The role requires strong expertise in Node.js, with experience in Java or JavaScript being a plus. Candidates must have proven experience in delivering projects within UK central government. In this hands-on position, you will design, deve ...

London: High Performance Trading Systems Engineer

Quant Capital is looking for a Software Developer specialized in high-performance trading systems in Greater London. The ideal candidate should have exceptional programming skills in Kotlin, Java, or C++, and a deep understanding of algorithms, data structures, and concurrency. This full-time position offers a c ...

Senior Java SDET — Lead Test Automation & API Quality

A cloud services company in Greater London is seeking a Senior Software Developer in Test to enhance automation frameworks for scalable services. The ideal candidate will have at least 8 years of software testing experience and 5 years in test development with strong Java skills. Responsibilities include designi ...

Staff Software Engineer — Lead Scalable DevOps Platform

A technology company specializing in software delivery is seeking an experienced software developer to design, develop, and maintain critical software on a scalable platform. The ideal candidate will have 7-11 years of experience in Java and Golang, along with a solid foundation in data structures and algorithms ...

Cloud Native Full Stack Engineer (Java/Python/Go) – Hybrid Belfast

Deloitte - Recruitment is looking for a Full Stack Developer (Java / Python / Go) located in Belfast, United Kingdom. This role involves designing, building, and operating scalable applications in a hybrid working model, blending remote and onsite work. As part of a global Tier 1 financial institution, ...

Java Microservices Engineer Spring Boot & Cloud

JD ROSS is looking for a Java Developer to work in Newcastle upon Tyne. The candidate should have significant experience with JDK 11 and Spring Boot to build modular, maintainable services. Responsibilities include collaborating with cloud teams, advocating good development practices, and supporting integrati ...

Photonic Layout Engineer — Python Driven Chip Design

Salience Labs in Oxford is seeking a skilled software developer with a focus on photonics design engineering. Candidates should have strong programming skills in Python, C, or Java and experience in developing software for large-scale systems. The successful applicant will work closely with photonics d ...

Vue.js Frontend Engineer for PWAs & Responsive UI

Java Script Works in Manchester is seeking a talented web developer to create high-performing and scalable web applications. You will leverage your expertise in Vue.js and Progressive Web App (PWA) development to deliver user-centric solutions. This position offers the chance to innovate and take ownership of yo ...

Senior PHP Engineer — Laravel, GCP/AWS

Java Script Works is looking for a Senior PHP Developer to join their team in London, United Kingdom. The ideal candidate will write clean, testable code and have experience with GIT, HTML, CSS, JavaScript, and cloud services such as GCP and AWS. This full-time role offers a competitive salary of up to ...

Low Latency Java Backend Engineer | Spring Boot

Net2Source (N2S) is seeking an experienced Java developer in Belfast, Northern Ireland, with strong expertise in Spring Boot and microservices. The ideal candidate will have extensive experience with low-latency programming, RDBMS concepts, and CI/CD tools in a financial services environment. A bachelo ...

Azure .NET C# Engineer — AI, Data Flows & UI/UX

Java Script Works is seeking a skilled .Net C# Azure Developer for a full-time position in Greater London. The ideal candidate will be proficient in Git, PowerShell, Docker, and SQL while also being familiar with technologies including TypeScript, HTML5, and Azure. The role offers a competitive salary ...

Java FinTech Microservices Engineer — Global Relocation Included

A global e-commerce company is seeking a Software Developer to contribute to high-scale products and see the real-world impact of their work. The role involves creating scalable systems, advocating best practices, and working within a performance-driven culture. Ideal candidates should have solid software develo ...

Senior Java Engineer — BSS/OSS & Microservices Mentor

A leading software company in Greater London is looking for a Senior Developer to join its Software Engineering team. The role involves technical design, development of BSS/OSS products, and mentoring junior developers. The ideal candidate will have extensive experience in Java technologies and a strong grasp of ...

Junior Trade Desk Developer Build Smart Trading Tools

Quant Capital is seeking a Junior Trade Desk Developer in London, United Kingdom. This full-time position offers a competitive compensation of up to £80K and is ideal for candidates with a STEM background from a top-tier university. Applicants should possess strong problem-solving abilities, proficiency in codin ...

Full Stack Software Engineer — Cloud Native & Secure CI/CD

Accenture is looking for a skilled developer to create traditional and serverless applications using CI/CD processes. The role requires experience with Java, Python, or similar languages, and expertise in cloud technologies like AWS, Azure, or GCP. You will work in an agile environment, ensuring quality through ...

Autonomous Platform Engineer – Real Time Data & AI

A fast-growing fintech company in Greater London seeks a skilled developer to build scalable backend systems. You'll develop microservices, libraries, and real-time data pipelines while collaborating with teams to define data contracts. Ideal candidates are hands-on with Java, Python, or Go, and possess strong p ...

Senior Backend Engineer – Java, Spring Boot, Docker, Kubernetes

Zaizi is seeking a Senior Software Developer in Greater London. The ideal candidate will have extensive experience in Java and Agile methodologies, leading teams, and developing digital solutions. A focus on continuous improvement and user experience is vital. Join a supportive work culture where innov ...

Fixed Income Quant Trader: Gov Bonds & IR Swaps

UBS in London is seeking a quantitative trader/developer to join their fixed income algorithmic trading team. The role involves developing data-driven trading systems and optimizing trading strategies for government bonds and Interest Rate Swaps. Ideal candidates will have strong analytical skills, exp ...

Senior Developer — Shape Architecture, Mentor & Deliver

Sellick Partnership in Greater Manchester is hiring a Senior Developer to join their engineering team, tasked with designing and developing innovative software solutions. The role involves collaboration within Agile Scrum teams and mentoring colleagues. Ideal candidates will have strong skills in Java, ...

Senior Java Backend Engineer – Low Latency FinTech (Remote)

Client Server is looking for a Backend Software Engineer / Developer in London with the option to work from home, offering a salary of up to £100k. You will design and develop trading systems, utilizing advanced Java and other technologies in a microservices environment. This role requires expertise in ...

Backend Java Engineer AWS | Fintech for Good | Hybrid

Client Server is looking for a Software Engineer / Developer in London, offering a salary up to £90k. You will work on innovative financial tech solutions that empower communities globally. In this role, you’ll have a solid background in Java and AWS, collaborating to enhance the payment platform with ...

Staff Software Engineer — Lead Scalable DevOps Platform

A technology company specializing in software delivery is seeking an experienced software developer to design, develop, and maintain critical software on a scalable platform. The ideal candidate will have 7-11 years of experience in Java and Golang, along with a solid foundation in data structures and algorithms ...

Senior JVM Live Debugger Engineer | AI Driven Production

A leading developer tools company is seeking a Senior Software Engineer in Greater London. This role focuses on enterprise JVM experience and exciting engineering challenges involving AI integration. Responsibilities include designing product features and developing tooling for AI-first workflows. The ideal cand ...

Senior Backend Engineer Scalable Distributed Systems

jobr.pro is looking for a backend developer to drive the technical vision for recipient management and enhance user experiences. Join an agile team based in the UK, collaborating with talented professionals. Successful candidates will have experience with large-scale distributed systems, Java, and REST ...

Java Software Engineer – Kafka API, Hybrid (London)

Client Server Ltd. is seeking a Software Engineer / Developer proficient in Java, with the opportunity to work on innovative projects in London. You will be part of a hybrid working arrangement, collaborating with a diverse team to implement cutting-edge solutions in the financial sector. The role emph ...

Senior Java Backend Engineer | AI Driven Microservices

Scrumconnect Limited is seeking an experienced Senior Backend Developer in London. This role focuses on developing scalable backend systems, requiring proven Java and Spring Boot expertise. The ideal candidate will leverage AI development tools to enhance productivity and code quality, contribute to te ...

Network Model Platform Engineer

Aspen Technology in Glasgow is seeking a Software Developer to enhance their network model management system. In this position, you'll design and implement sophisticated software critical for managing utility models efficiently. The ideal candidate will have a bachelor's degree in software engineering, ...

Senior Software Engineer, Scalable Pricing Systems

PowerToFly is seeking a skilled software developer in London to manage key services and enhance customer experiences using technologies like Java and AWS. The ideal candidate will have over 5 years of experience, a Bachelor’s degree in Computer Science, and a proven track record in scalable system design. </p ...

Senior Java Backend Engineer (Spring Boot & Microservices)

United States Digital Space LLC is seeking a Backend Developer to design and maintain backend services using Java 17/21+. You will build scalable applications with Spring Boot, architect microservices, and collaborate with cross-functional teams to optimize performance. The ideal candidate will have ex ...

Senior Software Developer GDS aligned, Cloud & Frontend

United States Digital Space LLC is hiring a Senior Software Developer to design and scale secure digital services for the UK government. The role requires expertise in cloud-native application development, particularly using Java and AWS. Successful candidates will work in agile teams, ensuring complia ...

Senior Analyst Developer — Risk & Capital Tech Lead

United States Digital Space LLC is seeking a Senior Analyst Developer in Greater London to implement Counterparty Credit Risk Technology solutions. The role requires a deep understanding of capital markets, along with strong technical skills in Java, Spring, and cloud technologies. Ideal candidates hav ...

Staff Software Engineer — Lead Scalable DevOps Platform

A technology company specializing in software delivery is seeking an experienced software developer to design, develop, and maintain critical software on a scalable platform. The ideal candidate will have 7-11 years of experience in Java and Golang, along with a solid foundation in data structures and algorithms ...

Lead Software Engineer Java

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the Markets - Prime Finance Services, you are an integral part of an agile team that works to enhance, build, and deliver trusted m ...

Architect ai/cloud/java

Work with high-calibre colleaguesWork on cutting-edge technologyAbout Our ClientThe employer is a large organization within the technology and telecoms industry, delivering impactful services and solutions. They are known for their commitment to excellence and fostering ...

Senior Java Engineer (Contract)

We are recruiting for a Senior Java Engineer for a contract role to start ASAP.On-site: 2 dpw in BradfordKey skills: strong experience in Java and comfortable with TDD (test-driven development).Who We Are:A ...

Principal Java Engineer Retail

At Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew!Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week.What does the role invo ...

Software Engineer (Java Mid)

Title: Java Software Engineer (Mid-Level)Location: Hybrid, 3 days a week in Manchester, 2 day remoteSalary: From £50,000Who we are:interactive investor is an award-winning investment platform ...

Senior Software Engineer (Java)

The TP ICAP Group is a world leading provider of market infrastructure.   Our purpose is to provide clients with access to global financial and commodities markets, ...

Principal Software Engineer Java

Internal use only - Grade EAbout us.We’re the team behind digital retailer .Our purpose, helping families get more out of life, powers everything we do.</ ...

Software Development Engineering Java

Our software engineers at Fiserv bring an open and creative mindset to a global team developing mobile applications, user interfaces and much more to deliver industry-leading financial services technologies to our clients. Our talented technology team members solve challenging problems quickly and with qualit ...

Senior Java Engineer (Contract)

We are recruiting for a Senior Java Engineer for a contract role to start ASAP.On-site: 2 dpw in BradfordKey skills: strong experience in Java and comfortable with TDD (test-driven development).Who We Are:AND Digital are a tech company focused ...

Principal Java Engineer Retail

At Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew!Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week.<st ...

Software Engineer (Java / C++)

We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best talent by investing in our employees and empowering them to develop themselves and their careers. Experience the challenges, rewards and opportunity of working for one of the world’s large ...

Experienced Backend Java Developers

Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development, analys ...

Java Engineer – Equity Vol

Salary: £130-150k base, circa £180-220k TC Summary:Fantastic opportunity for a Java developer with outstanding communication skills to join one of the world’s most prestigious hedge funds. Come and be a part of the firm’s continued success by developing/maintaining real-time eq ...

Tech Lead (Angular/Java)

Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our work should always leave a leg ...

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