Reading, England, United Kingdom Hybrid / WFH Options
CGI
a hybrid working basis – you will be required to work in Reading and/or London 2/3 days a month. Your future duties and responsibilities: As a Senior Software Engineer you’ll join a flagship UK Government programme working on a project that helps protect UK citizens’ lives. Working as part of a well-functioning team … you'll immediately add Java expertise at an important stage of the project cycle. You’ll also discover: A unique level of variety across different clients and industry sectors. Further interesting and challenging projects to stretch your skills. Training and support specifically tailored to give you the right skills for your career/role – including accreditation and certifications. Impactful … CGI, with regular meet-ups, discussions, and shared best practice. Required qualifications to be successful in this role: Essential skills to be successful in this role: Broad knowledge of JAVA/JAVA EE - current and legacy versions, including best practices and patterns for code migrations. Knowledge of best practices regarding continuous Integration/Delivery Pipelines (Jenkins or similar More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. Our FinTech client could be the ideal role … for you. Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD Pair programming culture ensures high-quality code and continuous learning Continuous integration—every commit is releasable, and automation is key We … value growth and flexibility, welcoming developers from all backgrounds What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration #J-18808-Ljbffr More ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from … you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD. Pair programming cultur e ensures high-quality code and continuous learning. Continuous … commit is releasable, and automation is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration #J-18808-Ljbffr More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from … you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD. Pair programming cultur e ensures high-quality code and continuous learning. Continuous … commit is releasable, and automation is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration #J-18808-Ljbffr More ❯
Basingstoke, England, United Kingdom Hybrid / WFH Options
Understanding Recruitment
SeniorJava Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a SeniorJava Developer who is able to leverage advanced technologies to create impactful … solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ 6+ years with extensive … hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong understanding and practical expertise in asynchronous techniques. A degree in Computer Science, Engineering, or a related discipline is desirable. Benefits 🌈 Up to £150k, depending on experience (6+ Years) 💸 Fully remote working 🏡 Access More ❯
South East London, England, United Kingdom Hybrid / WFH Options
RE Partners
Location: London, Canary Wharf (Hybrid) Engagement: Long-term engagement within one of the world’s most prominent banking institutions This is more than just a Java development job — it’s an opportunity to work at the core of a global financial powerhouse, supporting a large-scale transformation of how secure software is built and delivered across the enterprise. You … the world. All this from London’s iconic Canary Wharf, with a hybrid model that supports flexibility and work-life balance. If you're passionate about writing clean, modern Java code and want to see your work used at a global scale, this is the kind of long-term project that builds real career momentum. What You’ll Do … Develop and maintain internal Java-based tools and microservices that improve how developers build secure applications Contribute to enterprise-wide initiatives around software composition analysis and supply chain transparency Work closely with platform engineers, security experts, and software developers across multiple regions Help standardize and improve development workflows used by thousands of engineers globally Support the integration of modern More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Owen Thomas | Pending B Corp™
Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length Opportunity: We're supporting a fast-moving client at huge global scale, that is in need of a Senior Backend Contractor with deep experience across Java and Ruby . This is a … high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment. What You'll Be Doing as a Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Designing and building robust backend services across Java, Python, and Rust-based … secure coding, and clean architecture decisions Bringing in best practices across multiple programming paradigms and languages Ideally, supporting legacy Ruby codebases or integrations where needed Core Skills for the Senior Backend Engineer Contractor (Java/Ruby focused) | Fully Remote/EU-Based | Rate £550-650pd | Outside IR35 : Senior-level backend experience with both JavaMore ❯
Oxford, Oxfordshire, United Kingdom Hybrid / WFH Options
DiffBlue Ltd
SeniorJavaEngineer Department: Engineering Employment Type: Full Time Location: Oxford Description About Diffblue Diffblue is changing the way software is developed. We build products that have the potential to improve the experience of every software developer in the world. By using Artificial Intelligence to write unit tests, we are helping teams do more and better testing … our go-to-market sales & marketing teams. We're backed by the University, our customers and leading venture capital funds. Our product Diffblue Cover automatically writes unit tests for Java applications using AI, mimicking human-written tests but working 250 times faster than a human - and it never gets bored or makes a mistake. Each time Diffblue Cover runs … that diversity is important for a modern business, and that when different opinions, backgrounds and life views meet, better results are obtained. Job purpose We are looking for skilled Java developers to work as part of a team with experts in AI, static and dynamic program analysis, and software verification. This is a great opportunity for a JavaMore ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
SeniorJavaEngineer - Take Ownership of Flagship Trading Product - Up to £120k, Slough Client: Saragossa Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Are you a seasoned engineer looking to lead the development of a flagship trading product in a dynamic environment … highly technical team at a pivotal growth stage. This product is already utilized by tier-1 players in the institutional trading sector to address complex execution challenges. As a SeniorEngineer, you will be responsible for developing new features, collaborating with engineers and product leads to create sophisticated, event-driven architecture. A strong knowledge of Java, real More ❯