50,297+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Software Java Engineer Customer Fulfilment

Overview We are in the process of building and rolling out our next generation, dynamic, scalable, and resilient Fulfilment platform for Tesco, to address both manual, and robotic powered automate fulfilment operations, across all the customer order fulfilment locations. This highly optimized and ...

Java Software Engineer (Mid) – Cloud & Microservices

Title Java Software Engineer (Mid-Level) Location Hybrid; 3 days a week in Manchester, 2 days remote Salary From £50,000 Who we are interactive investor is an award-winning investment platform that puts its customers in control of their financ ...

Senior Software Java Engineer Customer Fulfilment

We are in the process of building and rolling out our next generation, dynamic, scalable, and resilient Fulfilment platform for Tesco, to address both manual and robotic powered automate fulfilment operations, across all the customer order fulfilment locations. This highly optimized and continuously improv ...

Software Engineer III Java/Automation Engineer

Job Description You're ready to gain the skills and experience needed to grow within your role and advance your career — and we have the perfect software engineering opportunity for you. As a Test Automation Engineer at JPMorgan Chase within the Global Liquidity and Account Soluti ...

Senior Java Engineer Scalable Fulfilment Platform

WeAreTechWomen seeks highly skilled Software Development Engineers for a green field project aimed at developing a next-generation customer fulfilment system. The position calls for strong Java-based application development skills, experience in agile methodologies, and a collaborative attitude. Ideal candidates ...

End to End Java Cloud Engineer

Technologies Backend: Distributed, event-driven core Java (90% of the code-base), MySQL, Kafka Frontend: Javascript, Vue.js Deployment: Kubernetes, Nomad Data Analytics: Python & Jupyter notebooks, Parquet, Docker Testing: ...

Senior Software Engineer — Embedded & Java Systems

Java Script Works is seeking a Senior Software Engineer based in Gosport, United Kingdom. The ideal candidate should be degree qualified in Software Engineering or Computer Science and possess expertise in languages such as C++, C#, and Java, along with web development skills including HTML, CSS, and JavaScri ...

Java Engineer: Secure Backend & Intelligence Analytics

A leading technology company is seeking a Java Engineer to join their Security and Intelligence consulting team based in Greater London. The successful candidate will design, develop, and maintain secure, high-performance backend systems, including microservices and APIs. This role demands strong Java skills and ...

Java AI Engineer: Scalable Backend & ML

A technology consultancy in Greater London is seeking a skilled Java Engineer with AI expertise to design and deploy intelligent applications. This role combines backend engineering and AI, requiring strong experience in Java, Spring Boot, and microservices. Responsibilities include integrating AI/ML models and ...

Senior Software Engineer I Investments Java

Senior Software Engineer I - Investments - Java Full-time Compensation: GBP 85,000 - GBP 105,000 - yearly Wise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed. Whether pe ...

Java Low Latency Systems Engineer (London)

WorksHub is seeking a Java Low-Level/Low Latency Engineer in London, United Kingdom. The ideal applicant will possess a deep understanding of systems-level programming with proficiency in Java, Rust, C, or C++. Experience with manual memory management, concurrency, and multithreading is essential. This full-time ...

Senior Java Engineer Scalable Fulfilment Platform

Tesco UK is seeking a Software Development Engineer (SDE) to join their team in Welwyn Garden City. This role focuses on designing, developing, and implementing a next-generation customer fulfillment system using Java and Spring Boot, aimed at optimizing warehouse operations. Ideal candidates will possess hands- ...

Adoption Platform Engineer – Java, AWS & Security

A global financial services provider is seeking an Adoption Software Engineer based in Glasgow. You will innovate a Digital Platform capability by modernising their digital estate, focusing on customer experience. Responsibilities include the development of software solutions using Java, collaboration with multi ...

Team Lead, Client Connectivity & Java/AWS

TP ICAP seeks a Development Team Leader in London to oversee development on client connectivity platforms. The role involves leading a team, managing software projects, and collaborating with various stakeholders. Essential qualifications include senior-level Java and FIX Protocol experience, leadership skills, ...

Application Engineering Lead Java, Python, Microservices

A leading technology consulting firm in Manchester is seeking an Application Engineering Lead to provide expert technical direction for complex MarTech projects. You will work with Java, Python, and Adobe technologies, overseeing design and implementation across diverse environments, including client sites and h ...

Software Engineering Lead Java AI FinTech

Software Engineering Lead Java AI - FinTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Software Engineering Lead (Java AI) London / WFH to £140k Are you a technical leader w ...

Software and Cloud Engineer (Java/AWS)

Overview You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is value ...

Java Engineering Intern Global, Flexible & Paid

Revolut Ltd is offering an Internship Programme for Software Engineers in Greater London, UK, for summer 2027. This programme is designed for ambitious students eager to work on real projects within the technology team. As a Java Engineering Intern, you'll develop your skills while working on impactful ...

Senior Java Engineer – Customer Services (Hybrid)

Starling Bank Limited is seeking a highly motivated engineer to join their Customer Service Engineering Group. This individual should possess over 5 years of experience in Java programming and have a strong understanding of scalable code delivery. Engaging in a hybrid working model, the role involves developing ...

Senior Software Engineer I Investments Java

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money or making international payments, we aim to make lives easier and save them money. We build an entirely new network for the world’s ...

Senior Software Engineer II Investments Java

Wise is a global technology company, building the best way to move and manage the world’s money. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money. ...

Site Reliability Engineer III Java / Python

Job Description As a Site Reliability Engineer III at JPMorgan Chase within the External Collaboration team, you will lead development and integration of collaboration platforms such as VDRs, Microsoft 365 B2B, Client Portals, and Google Workspace. Site Reliability Engineering at JPMorgan Chase is ...

Senior C++/Java Engineer – Systems & Mentoring

London Stock Exchange is seeking a senior engineer for the design and development of high-quality software solutions using C++ and Java. This role emphasizes hands-on engineering and collaboration with cross-functional teams to enhance solution delivery. The ideal candidate will have over 8 years of ex ...

High Performance Equities Risk Java Engineer

3761 Barclays - BX - UK is looking for an Equities Risk Software Engineer in London. The role involves building high-performance Java services that support critical risk functions while focusing on reliability and scalability in a container environment. Applicants should have solid Java and concurrency ...

Senior Software Engineer II (Java/ Spring)

Senior Software Engineer II (Java / Spring) Are you passionate about building scalable, high‑performance data‑driven applications? Do you enjoy turning complex datasets into robust, reliable systems that deliver real business impact? About the team: The Search and AI Platform is ...

Hybrid Java Solution Architect — Insurance, London

Michael Page is seeking a Java Solution Architect to join their expanding team in the Insurance sector. This hybrid role involves 1-2 days of work in London each week. In this position, you will design and develop scalable Java solutions, collaborate with teams to gather requirements, and provide archi ...

Senior Software Engineer Java Streaming Connectors

Senior Software Engineer - Java Streaming - Connectors United Kingdom (Remote) About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 3,000 customers and ARR that has grown ...

Java Trading Engineer — High Impact Platform

Vertus Partners is looking for a Java Software Engineer specializing in Systematic Trading in Greater London. In this role, you will develop core aspects of an execution platform that impacts trading performance. You'll collaborate closely with traders and researchers to improve system reliability and perform ...

Principal Software Engineer Java & AWS Leader

Very Group in Liverpool is seeking a Principal Software Engineer to lead a team in designing and implementing software solutions. The role emphasizes mentorship, quality code, and engineering best practices. Successful candidates will possess extensive experience with Java and AWS, along with a solid f ...

Senior Java Engineer Remote & Growth Focused

Version-1 is hiring Java developers in Newcastle upon Tyne. The role requires at least 4 years of Java development experience, with a focus on coding new developments and adhering to code quality standards. Candidates will work in a dynamic environment with exposure to modern technologies and coding practices ...

Principal Java Engineer API & Cloud Architect

A leading IT search consultancy is seeking a Senior Technical Leader or Principal Software Engineer in Manchester. You will lead a team in the API division, contribute to technical architecture, and work on impactful projects. Ideal candidates possess strong Java engineering and cloud skills. This role comes wit ...

Senior Backend Engineer (Java & Spring) | Microservices

Elsevier in Oxford is seeking a Software Engineer III to design and develop backend services using Java, Spring Boot, and Python in a collaborative agile environment. This role involves enhancing document transformation services and APIs while working with cloud technologies like AWS and Kafka. The ideal candida ...

Senior Java Microservices Engineer — Hybrid | Mentoring

Hastings Direct is seeking a Senior Microservices Engineer to join their CIO Technology Engineering team. In this role, you will design and maintain scalable microservices applications while mentoring junior engineers and participating in code reviews. This position supports flexible hybrid working fro ...

Software Engineer Java Engine by Starling

Overview Software Engineer - Java - Engine by Starling. Engine is Starling's software-as-a-service (SaaS) business, the technology that powers Starling Bank, now a separate business. Engine helps banks and financial institutions worldwide benefit from innovative digital features and efficient bac ...

Lead Cloud Platform Engineer — Java & Python

JPMorgan Chase & Co. is seeking a Lead Software Engineer for its Cloud Engineering Acceleration team in Greater London. This role involves designing platform services, maintaining production code, and fostering team culture. The ideal candidate should have proficiency in core programming languages, hands-on expe ...

Senior/Principal Java Engineer Low Latency

We're looking for Senior and Principal Java Developers with a strong background in low‑latency systems to join us on a high‑performance trading and real‑time data project, for a major financial institution. You’ll be joining an environment where good software engineering truly matters 6 where clean ...

Senior Java Engineer — FX Payments Platform

A leading financial services company in London is seeking a skilled Software Engineer to join their team. You will execute creative software solutions and develop high-quality production code while collaborating with talented colleagues. The ideal candidate holds a Bachelor's or Master's degree in computer scien ...

Intermediate Software Engineer – Java, DevOps & AI

Description We are looking for an Intermediate Java Developer to join our engineering team. This role is suited to a proficient engineer who can deliver high-quality software, take ownership of features, and contribute to continuous improvement within their squad. Department: Insurance Re ...

Java Backend Engineer Microservices & Kafka (Onsite)

Sivara GmbH in Burgess Hill is seeking a talented Java Backend Engineer for a permanent full-time role. The successful candidate will have a strong background in Java, especially with Java 8 and Spring Boot, and will work three days a week onsite in our Burgess Hill office. This role involves building ...

Equities Risk Software Engineer (Java, Concurrency)

hackajob is partnering with Barclays to find an Equities Risk Software Engineer in London. You will develop resilient Java services that support critical risk functions. The role demands strong Java fundamentals and experience in containerized environments, ensuring high performance under market stress. < ...

Senior Java Backend Engineer Cloud Security

Join an innovative startup in the cloud security sector as a Java/Golang Engineer, where you'll develop groundbreaking products and tackle complex engineering challenges. With a dynamic and collaborative work environment, this is your chance to be part of a rapidly growing company that values creativity and inno ...

Platform Architect: Cloud, Kubernetes & Java Hybrid

Opus Recruitment Solutions is seeking a Platform Architect to transform their cloud environment from beta to production. You will collaborate closely with the Lead Architect and DevOps team to scale and support the Platform team. Your responsibilities include configuring and maintaining Azure and AWS i ...

Java Engineer: Secure Backend & Intelligence Analytics

A leading technology company is seeking a Java Engineer to join their Security and Intelligence consulting team based in Greater London. The successful candidate will design, develop, and maintain secure, high-performance backend systems, including microservices and APIs. This role demands strong Java skills and ...

Senior Java Search Platform Engineer (Kubernetes)

Elsevier is seeking a Senior Software Engineer I to join their Search Platform team in Greater London. This role focuses on backend search service design and building reliable, cloud-native systems. Ideal candidates have strong backend engineering experience, practical knowledge of search technologies like Elast ...

Staff Backend Java Engineer – Technical Lead

Mindera is looking for a Lead / Staff Backend Java Engineer in London to take on a key technical leadership role. The successful candidate will work closely with architects, product managers, and cross-functional teams to design and implement scalable solutions. This full-time position offers competitive compens ...

Senior Java Engineer: Microservices, Spring & Cloud

A leading recruitment firm is seeking a Senior Recruitment Consultant to focus on Java application design and development. The role requires hands-on experience with Java, knowledge of DevOps principles, and familiarity with cloud services. Essential skills include expertise in Spring Framework, Git, and microse ...

Senior Software Engineer Java & Search Platform

Senior Software Engineer I – Search Platform About the role We are seeking a Senior Software Engineer I to join the Search Platform team within Elsevier’s Search and AI Platform. This role is well suited to an experienced backend engineer with hands‑on search experience who enjoys build ...

Senior AWS/Java Engineer — Hybrid, London

A leading tech recruitment firm in London is looking for a Senior Engineer specializing in AWS and Java. You will design and build serverless features, mentor junior engineers, and lead code reviews. The ideal candidate has experience with distributed systems and a collaborative mindset. This role offers a compe ...

Senior Backend Engineer, FinTech Payments (Java)

A leading financial technology company based in the UK is seeking a backend engineer to join its newly-formed Acquiring Platform team. This role focuses on developing infrastructure for merchant payment solutions, including integrations with popular payment methods like Google Pay and Apple Pay. Ideal candidates ...

Senior Java Automation Engineer, FX eTrading

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 ...

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