101 to 125 of 527 Java Engineer Jobs in the UK

Full Stack Engineer - React & Java

Hiring Organisation
Computer Futures
Location
Manchester, Lancashire, United Kingdom
Employment Type
Temporary
Salary
GBP 557 Annual
Contract Full Stack Engineer Java/React Location: Manchester, hybrid, 2 days per week onsite Contract: Contract Experience: 5+ years Tech: Java, Spring Boot, React, TypeScript/JavaScript The Opportunity We're working with a leading global digital organisation looking to bring on experienced Full Stack Engineers ...

Senior Real-Time Java Engineer - Fintech & Microservices

Location
Greater London, England, United Kingdom
Morson Group is seeking a Senior Java Software Engineer to join a fintech-focused team in London. Work on a real‐time payments processing solution using Java 11+, Spring Boot, Kafka and MongoDB, and contribute from design and coding perspectives to deliver scalable, highly available components. ...

Senior Java Engineer

Location
Greater London, England, United Kingdom
critical role and we’re committed to using AI to work smarter and faster. About the Role We’re looking for a Senior Software Engineer to join our Intercept team, which builds the Endpoint Agent and Browser Extension that run on our customers' devices, and the backend services behind … them. You'll be a full-system contributor. You'll design and build complex Java backend services and make significant contributions to the agent's Rust codebase and the extension's TypeScript codebase. This software has to be fast, resilient and trustworthy across operating systems and real-world conditions. ...

Senior Software Engineer I (Java & Python)

Location
Oxford, England, United Kingdom
Senior Software Engineer I (Java & Python) Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team The Submission and Editorial platform is at the heart of Elsevier's publishing ecosystem, supporting millions … understand submitted content and use that intelligence to create smarter experiences throughout the Submission and Editorial journey. About the role As a Senior Software Engineer on our team, you'll help build the Document Intelligence capabilities that enable Elsevier's Submission products to understand scientific content on a scale. ...

Senior Backend Engineer - Java, Python & Databricks

Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. is seeking a Software Engineer III (Java/Python) to join the Commercial and Investment Banking Emerging Markets Team in London. You will contribute to an agile team delivering secure, scalable market-leading technology products, writing production quality code in Java and Python ...

Senior Software Engineer - Java & Python, AI for Docs

Location
Oxford, England, United Kingdom
Elsevier is seeking a Senior Software Engineer I (Java & Python) to help build the Document Intelligence capabilities powering the Submission and Editorial platform. You will design and deploy cloud-hosted services that transform unstructured manuscripts into structured data, enabling AI-driven features across the Submission portfolio. You will ...

Java Software Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Software Engineer Location: Belfast Tech Stack: Java/Microservices/React/AI Harrington Starr has partnered with a leading global software company specialising in market data and subscriptions to find a Software Engineer to join their team. The company is looking to modernise its existing systems … seeking a skilled developer with strong Java experience and an interest in AI to contribute to key technology projects. Key responsibilities: Strong experience with Java development Experience working with microservices and modern software architectures Experience across both front-end and back-end development, ideally with React Experience working ...

Java Low Latency Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Position: Java Low Latency Engineer Location: London, UK (Hybrid-3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal … candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge of GC, JNI, Java ...

Java Software Engineer — Associate Manager (Agile Delivery)

Location
City Of London, England, United Kingdom
Accenture is seeking a Software Engineer (Java) – Associate Manager for delivery across London, Bristol, Manchester and Birmingham. The role involves high‐quality Java development, Spring Boot, and working within an agile, scrum-driven team to deliver critical functionality and digital transformation engagements. You will collaborate across disciplines ...

Java Software Engineer (Cambridge)

Location
Cambridge, England, United Kingdom
Ready to take your career global? Make your mark at one of the biggest names in payments. We’re looking for a Software Engineer - Java to join our ever evolving Cambridge Tech team and help shape the future of global commerce. What you’ll own Join a cross … framework. Pick up challenging development tasks from the team plan, leveraging your proven software skills to tackle complex issues, and partner with the principal engineer for guidance. Serve as an authorized gating code reviewer, pairing with other engineers to grow the team’s capabilities and ensure quality code delivery. ...

Java Automation Test Engineer

Hiring Organisation
Sparta Global Limited
Location
South Croydon, London, United Kingdom
Employment Type
Permanent
Salary
£24,000
passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan … will be reviewed accordingly, aligning to availability and requirements ensuring we can match the right candidates to the right roles. We are seeking Junior Java Automation Test Engineer, Technical Consultants to join our team: Automation Testing is at the core of defining, developing and testing products for businesses ...

Senior Java Engineer — Distributed Systems (Hybrid, Banking)

Location
Greater London, England, United Kingdom
Vertus Partners in London is seeking a hands-on Java Software Engineer to own design and delivery of distributed backend services in a banking environment. You will work on microservices, cloud deployments (AWS), and architecture decisions while writing production-grade Java and keeping systems scalable, resilient ...

Remote Java Engineer (Contract) – Secure Systems & DevOps

Location
West of England, England, United Kingdom
TwinStream Limited is seeking a Java Software Engineer for a 3-month rolling contract outside IR35. The role is remote with potential travel to the Bristol office in the future. You will work in a small team to design, develop, test and deploy components of a cross-domain … security system, using Java, Spring Boot, AWS, Docker and related tech. You’ll contribute across the full SDLC and collaborate closely with DevOps and QA. #J-18808-Ljbffr ...

Java Software Engineer — Global Payments Platform

Location
Cambridge, England, United Kingdom
Global Payments is seeking a Software Engineer - Java to join the WPG team. You will design and develop secure Java-based, high-volume payment solutions in a Linux environment, collaborating with UK and US engineers to ensure robust delivery. The role emphasizes 24/7 availability, code ...

Principal Engineer (AWS & Java)

Location
Nottingham, England, United Kingdom
innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers. Role Description We are seeking a Principal Engineer to act as the most senior hands‐on technical expert for our leading Risk Screening platform. This role partners closely with architecture, service, product … functional characteristics, including end‐to‐end latency, cloud scalability, resilience, and the effective handling of large and growing data sets. The Principal Engineer ensures these qualities are deliberately designed for, correctly implemented, and continuously validated in production. Rather than owning architecture in isolation, the Principal Engineer ...

Senior Java/FIX Engineer - IG Prime

Location
City Of London, England, United Kingdom
Senior Java/FIX Engineer - IG Prime Prime Java/FIX Engineer ‰ So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn … team: testing, documentation, and challenging designs that won't hold up What You'll Need: Substantial commercial experience building backend systems in Java — enough that you've owned services in production, made the architectural calls, and lived with the consequences Strong command of concurrency and multi-threading — not just ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate … About You Professional knowledge and experience Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , Spring Boot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some ...

Senior Java Backend Engineer — Fintech, Stock Options

Location
Greater London, England, United Kingdom
building the next generation fintech platform with a focus on fast, scalable backend systems. We are seeking a Lead Software Engineer (Java) to own the backend stack, design robust APIs, and accelerate delivery with a pragmatic approach to TDD and CI/CD. Join a world-class team … work model and stock options that let you share in our growth. You'll work on microservices, REST APIs, and data-intensive services using Java and Spring Boot, with PostgreSQL, in a #J-18808-Ljbffr ...

Senior Java Engineer - Spring Boot, APIs & Modernization

Location
Manchester, England, United Kingdom
Primo Interactive Limited is seeking a Java-focused engineer to build and maintain services and APIs using Spring Boot or Jakarta EE. You will connect Java systems to websites, CRMs, and portals, and modernise legacy applications through safe, testable steps. You will read existing code, write comprehensive ...

Senior Java Engineer - Spring Boot, APIs & Modernization

Location
Wrexham, Wales, United Kingdom
Primo Interactive Limited is seeking a Java-focused engineer to build and maintain services and APIs using Spring Boot or Jakarta EE. You will connect Java systems to websites, CRMs, and portals, and modernise legacy applications through safe, testable steps. You will read existing code, write comprehensive ...

Senior Java Engineer - Spring Boot, APIs & Modernization

Location
Greater London, England, United Kingdom
Primo Interactive Limited is seeking a Java-focused engineer to build and maintain services and APIs using Spring Boot or Jakarta EE. You will connect Java systems to websites, CRMs, and portals, and modernise legacy applications through safe, testable steps. You will read existing code, write comprehensive ...

Senior Low-Latency Java Performance Engineer

Location
Greater London, England, United Kingdom
Luxoft is seeking a senior Java engineer to join its global tech team, delivering high-performance, low-latency platforms for real-time processing. You will work on event-driven and reactive systems, optimize JVM performance, and push memory and networking boundaries on Linux. You will apply advanced profiling ...

Java Software Engineer - Global Payments Platform

Location
Cambridge, England, United Kingdom
Global Payments in Cambridge is seeking a Software Engineer - Java to join our Cambridge Tech team and help shape the future of global commerce. You will develop in Java, SQL and PL/SQL for our ecommerce payments gateway, review code with the team, and collaborate with ...

Senior Java Backend Engineer - Cloud Microservices + AI

Location
Glasgow, Scotland, United Kingdom
Morgan Chase is seeking a high-impact Java engineer with 8+ years of experience to design, build, and own backend services in a market-leading Margin & Collateral Services team. You will work in an Agile environment, delivering scalable Spring Boot microservices and leveraging AI-enabled tooling to accelerate ...

Principal Java Backend Engineer | Cloud-Native & CI/CD

Location
City of Edinburgh, Scotland, United Kingdom
Capco is seeking a Principal Backend Engineer (Java) to join our Technology & Engineering team in Scotland. The role focuses on architecting secure, scalable cloud-native backend systems for global financial clients, with hybrid work in Glasgow or Edinburgh. You’ll lead technical decisions, mentor teams, and drive CQRS … based, event‐driven architectures using Java 11+ and AWS. A strong security mindset and CI/CD experience are essential. #J-18808-Ljbffr ...