26 to 50 of 61 Java Engineer Jobs in the South East

FDM is a global business and technology consultancy seeking a Senior Java Application Engineer to work for our client within the financial services sector. This is initially a 24-month contract with the potential to become permanent and will be a hybrid role based in Manchester or London. Our client is looking for an experienced Senior Java Application Engineer with good technical expertise who is passionate about software development. You'll be at the forefront of creating unit tests, designing and developing applications while promoting a collaborative environment. The ideal candidate will have a pragmatic understanding and appreciation of the benefits of Agile, Kanban and Lean methodologies. Responsibilities Elevate code into the development, test, and … automation Understand and comply with Information Technology and Information Security policies as well as procedures while ensuring deliverables meet requirements Requirements Minimum of 5 years’ experience as a Senior Java Application Engineer/development experience Good understanding of Languages/Frameworks such as Java and Spring Experience with AWS, API Design, Automation testing, Cucumber and Playwright Strong More ❯

Role: Software Engineer (Java, TypeScript, JavaScript, NodeJS, ReactJS, Python) Location: Remote working with some meetings at offices either in Manchester or London. IR35 status: Outside Length of contract: 5 months initial contract (with a view to possible extension) Overview We are seeking a Software Engineer to support the delivery and maintenance of shared engineering components and templates More ❯

Java Engineer 📍 Location: London (Hybrid) 💷 Salary: Up to £150,000 + Bonus + Comprehensive Benefits 🔍 The Role Join a leading FinTech innovator as a skilled Java Developer and help shape the future of their next-generation, low-latency trading platform. This is your chance to work on real-time, performance-critical financial systems in a collaborative and … agile environment where every millisecond counts. Work alongside top-tier engineers and industry experts, tackling complex challenges using Core Java to deliver cutting-edge solutions. What You’ll Bring 🧩 Strong expertise in Java focused on high-performance development 🔄 Understanding of multithreading, concurrency, and throughput optimization 🧼 Commitment to writing clean, maintainable, and thoroughly tested code 🎓 STEM degree in Computer … from industry leaders 📈 Real impact — your code powers live trading in high-stakes financial markets 🤝 Flat, agile team structure where innovation and ideas are valued Ready to take your Java skills to the next level? Apply now or contact me directly: obloom@hunterbond.com More ❯

Java Engineer 📍 Location: London (Hybrid) 💷 Salary: Up to £150,000 + Bonus + Comprehensive Benefits 🔍 The Role Join a leading FinTech innovator as a skilled Java Developer and help shape the future of their next-generation, low-latency trading platform. This is your chance to work on real-time, performance-critical financial systems in a collaborative and … agile environment where every millisecond counts. Work alongside top-tier engineers and industry experts, tackling complex challenges using Core Java to deliver cutting-edge solutions. What You’ll Bring 🧩 Strong expertise in Java focused on high-performance development 🔄 Understanding of multithreading, concurrency, and throughput optimization 🧼 Commitment to writing clean, maintainable, and thoroughly tested code 🎓 STEM degree in Computer … from industry leaders 📈 Real impact — your code powers live trading in high-stakes financial markets 🤝 Flat, agile team structure where innovation and ideas are valued Ready to take your Java skills to the next level? Apply now or contact me directly: obloom@hunterbond.com More ❯

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs … top employers. As a Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact … releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based More ❯

Backend Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. W hat's in it for you: Salary to £100k + … with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a Backend Software Engineer you will join a fairly new team working on a new crypto offering to design, develop and implement high performance cloud-native backend services including owning DevOps processes to … ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes (Amazon EKS preferred More ❯

Java Developer £60,000 to £70,000 Burgess Hill - Hybrid Working A well established top tier consultancy firm is looking for experienced Java developers to join their current development team. You will be a key part of our agile development team, building and deploying cutting-edge microservices-based applications. This is a hands-on role where you will … be involved in the full development lifecycle, from design to deployment. What you'll be doing: Designing, developing, and deploying robust and scalable microservice applications using Java 8+. Developing and maintaining BDD test cases using Cucumber to ensure high-quality software. Working with Vert.X (or similar reactive frameworks) for high-performance application development. The Successful candidate will have the … following experience Extensive experience with Java 8+ Proficiency in reactive programming frameworks like Vert.X. or similar frameworks Proficient experience in Spring/spring boot Solid knowledge of relational database - SQL Experience with Behavior-Driven Development (BDD) Extensive experience with Cucumber. £60,000 to £70,000 | Burgess Hill - Hybrid Working 3 days in the office 3 days working from home More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile … high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Java Developer - Financial Technology - London/Hybrid (INSIDE IR35) (Key skills: Java, Spring Boot, Kubernetes, AWS EKS, Amazon Redshift, PostgreSQL, RESTful APIs, CI/CD, Microservices, iOS/Android Native, Agile, Financial Services) Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge … is a fantastic opportunity to join a growing FinTech organisation at the heart of digital transformation in financial services. Our client, an international financial technology company , is seeking a Java Developer to play a key role in designing, developing, and deploying next-generation financial applications. You will work on complex, high-availability systems built using Spring Boot , deployed on … with iOS and Android engineers to ensure seamless end-to-end integration, supporting mobile-first financial products that reach thousands of users daily. To succeed, you'll need strong Java and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful More ❯

Platform Support Engineer Surrey Hybrid – 1 day per month onsite £50,000 to £60,000 We are currently recruiting for a Platfrom Support Engineer to join an industry leading and ambitious financial services company. This is an exciting opportunity with multifaceted responsibilities, including infrastructure, application and batch support. As well as developing and maintaining Grafana dashboards. What you … ll do: • Support batch processing and carry out proactive analysis across squads and services. • Support and triage Java products • Provide application support for Java. • Review Java code and suggest improvements to enhance quality and performance. • Investigate and resolve production incidents, problems, and change requests. • Offer expertise on business processes for projects and production support issues. • Maintain core systems … ready data archiving strategies. • Provide data analysis to support business decisions • Deliver patching, database fixes, and business-critical data correction services. What we’d love you to bring: • Extensive Java knowledge and experience is required for this position, Java 17+ (preferably 21), Spring Boot • Jenkins, GIT and CI/CD • Jira and Confluence • Monitoring/alerting tools and More ❯

Platform Support Engineer Surrey Hybrid – 1 day per month onsite £50,000 to £60,000 We are currently recruiting for a Platfrom Support Engineer to join an industry leading and ambitious financial services company. This is an exciting opportunity with multifaceted responsibilities, including infrastructure, application and batch support. As well as developing and maintaining Grafana dashboards. What you … ll do: • Support batch processing and carry out proactive analysis across squads and services. • Support and triage Java products • Provide application support for Java. • Review Java code and suggest improvements to enhance quality and performance. • Investigate and resolve production incidents, problems, and change requests. • Offer expertise on business processes for projects and production support issues. • Maintain core systems … ready data archiving strategies. • Provide data analysis to support business decisions • Deliver patching, database fixes, and business-critical data correction services. What we'd love you to bring: • Extensive Java knowledge and experience is required for this position, Java 17+ (preferably 21), Spring Boot • Jenkins, GIT and CI/CD • Jira and Confluence • Monitoring/alerting tools and More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive More ❯

Our client are a high frequency trading firm based in London. They're looking for a back-end Java engineer who will contribute to both sides of the stack. This isn't a typical full-stack role, your time isn't split between backend and frontend work. They have a frontend team in place. You will not be … designing UI. Instead, you will build high-performance Java services that power the trading UI. So yes you need frontend awareness, but your focus is on backend engineering that makes the UI fast and reliable. What you will do: Design and build Java services that feed real-time data to the frontend. Work with the UI team on … back-pressure, and error handling. Improve end-to-end latency by looking across the stack. What you'll bring: Strong knowledge of computer science fundamentals (data structures, algorithms). Java engineering experience in trading, betting, gaming, or streaming. Hands-on work with real-time or data-heavy systems. Comfortable across server and browser. Not essential (but nice-to-have More ❯

company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute directly to architecture … and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate on architecture and … system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST/SOAP) Solid More ❯

Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

C++/Java Software Engineer – CONTRACT 6 MONTHS – CRAWLEY West Sussex 4 Days on site per week in Crawley OUTSIDE OF IR35 POSITION Key responsibilities will include the design, implementation and test of Runtime and Middleware products, using industry standard tools and methods. ROLE Develop our systems by working as part of a project team to deliver a … on both land and at sea. Help our strategy by working with the software management function to ensure that skills, technology and ways of working are developed. ESSENTIAL SKILLS Java or C++ Software Design, Code & Test Configuration management (Bitbucket, Artifactory) Change and task management using JIRA, for aspects such as work backlogs, problem report management, action management. Unit testing More ❯

Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

Mid-Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading (Equities and ETF’s) company with a … trading capital is in the order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree) with a passion … and test driven. You will be encouraged to evangelise and prototype new technologies and approaches to help shape the evolving architecture. The successful candidate must be: Experienced in Core Java Highly motivated Delivery focused and accountable. Ideally experienced in server side multi-threaded Java – if you haven’t been siloed in a big firm then don’t worry. More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯

Java Developer – Derivatives A leading financial trade association is seeking a Java Developer to support industry adoption of a global data and digital standards framework used across derivatives markets. Key Responsibilities Contribute to the development and implementation of open-source data models for derivatives trade processing and regulatory reporting. Write clean, efficient Java and Python code and … firms and vendors to capture requirements, extend models, and test new functionality. Document code, manage sprints, and contribute to roadmap planning. Requirements Strong software-engineering background with hands-on Java/Python development experience. Knowledge of derivatives trade lifecycle , collateral management, and/or regulatory reporting. Skilled in data modelling and working with XML/JSON formats. Experience collaborating More ❯