9 of 9 Java Software Engineer Jobs in the South East

eFX Software Engineer (Ultra-Low Latency Java) Hybrid/Remote - London Up to £160,000 + Bonus + Benefits We're supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra-low-latency trading systems used across global FX markets. If you're a high-performance Java engineer … opportunity. What you'll work on: Engineering sub-40μs latency eFX systems with high throughput and fault tolerance Designing real-time pricing, risk and trading components Evolving low-latency Java patterns (lock-free, low-GC, CPU/cache optimisation) Working closely with quants, traders, architects and senior engineers Influencing technical strategy across distributed, performance-critical systems What we're … looking for: Strong experience in low-latency Java within trading, eFX or electronic markets Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling Background in designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows Solid engineering fundamentals: testing, CI/CD, API design, automation Why join? Work on More ❯

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including no periods of 30 consecutive days or more spent outside of More ❯

Java Developer - Build software that matters! Java, Spring, React, TDD, AWS, Azure A fast-growing technology company is expanding its engineering team and hiring x3Java developers across mid and senior levels. They’re building intelligent, mobile-first software that supports real-time decision-making in high-pressure environments where speed, clarity, and reliability are essential. The … on the front lines of care, helping them access critical information and coordinate safely and efficiently. It’s not just backend development, it’s infrastructure that directly improves outcomes. Java developers at this company work on greenfield projects, designing APIs and services that power mobile and web platforms. The stack is modern Java 17+, Spring Boot, cloud-native … and want to build systems that scale. Whether you’re mid-level and ready to grow, or senior and looking to lead, this is a chance to contribute to software that’s making a real-world impact. If you’re ready to build meaningful systems with a team that’s driven by impact, they’d love to hear from More ❯

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Senior Lead Software Engineer at JPMorgan Chase within the Global Technology division, you will serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable … responsibilities Work with key stakeholders in Sales, Trading, QR, Operations and others globally to ensure the Secondary platform meets business requirements. Directly contribute towards the ongoing efforts to re-engineer & re-architect the existing Secondary platform to make it performant, truly highly available, stable, efficient, and scalable. Lead the effort & contribute towards the identification and implementation of opportunities to … eliminate or automate remediation of recurring issues, with aim of improving overall operational stability of software applications and systems. Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems. Contributes to software engineering communities of practice and events that explore new and More ❯

Java Full Stack Developer 3 month contract (extensions likely) Farnborough (Hybrid) Inside IR35 Superb Farnborough based client is urgently seeking a Java Developer for an initial 3 month contract, with extension possibilities. Skills needed; Strong hands-on skills in Java, Spring (DI, scopes, transactions) Kafka (partitions, consumer groups, scaling) Kubernetes Relational/NoSQL databases. End-to-end More ❯

Guide and collaborate with some of the brightest global minds in the industry. Global, distinct perspectives: Build strong relationships with a diverse range of stakeholders. The Role T his JAVA Engineer role is the requirement for our client in the financial industry, where you'll have access to cutting edge technologies like Vert.x, Java, Microservices and Kafka More ❯

Senior Java Developers – 3 positions available We’re looking for three experienced Java developers to play a key role in delivering long-term projects and supporting the growth of the wider engineering team. A rapidly growing healthtech scale-up is transforming how hospitals deliver care across the UK — and they're now expanding their development team at pace. More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer … you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties : Develop high-quality, performative, and reliable Java applications. Guide and mentor developers such as … graduates and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead the estimation process and ensure development work is accurately scoped. Debug existing code, maintain system performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years of experience in More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent … Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration (CI) and Continuous Delivery (CD) A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them More ❯