13 of 13 Permanent Java Engineer Jobs in the South East

Principle Java Engineer Salary to £ 7 0k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV ) clearance i.e. you have at least 5 years residency … growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a n experienced (Principle/Team Lead) Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

Java Engineer Salary to £ 45 k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC (ideally DV) clearance i.e. you have at least 5 years residency … data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients ...

Senior backend Java Mongo Engineer We are Hiring a highly skilled Senior Java Engineer to join our Streaming Platform team. You will design and build large-scale, high-throughput services using Java, Spring Boot microservices, distributed design patterns, GraphQL, AWS cloud services, and MongoDB performance … optimization techniques. Your responsibilities: Architect, design, and develop scalable, event-driven microservices using Java and Spring Boot. Apply microservices design patterns such as Saga, CQRS, Event Sourcing, Circuit Breaker, API Gateway, and Strangler Pattern. Build and integrate GraphQL APIs for efficient data retrieval. Implement high-performance MongoDB aggregations, indexing ...

Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £50k Are you a 'mathematically minded' Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems? You could be joining a global geoscience technology company within oil and gas exploration. … Software Engineer you'll join a supportive Agile team responsible for the company's highly complex web based data management platform/client portal. You'll gain exposure to the full software development lifecycle working on new features and enhancements as well as maintaining existing applications. Location/ ...

Software Engineer (Java) To support their aggressive growth targets, my client have identified the need for bespoke systems to streamline and automate their existing production processes. Successful applicants have the exciting task of forming their in-house Software Department, with the key target to develop the production system … software Contribute to all stages of the development lifecycle Define application objectives and functionality Create detailed design documentation Propose and implement changes to current Java infrastructure Conduct software analysis, programming, testing and debugging Prepare and produce end user documentation Support continuous improvement, investigating alternative technologies, and presenting for architectural ...

This is a high-impact Lead Engineer role driving the transformation of a Fixed Income technology landscape. You'll play a key role in a multi-year platform modernisation programme, building real-time, high-performance applications that support critical trading workflows. This position offers the opportunity to shape architecture … tooling Participate in code reviews and technical decision-making to maintain high engineering standards Key Requirements Proven experience building high-performance applications in modern Java - Java 11,21 Experience building in low-latency and event-driven handling large, fast-moving datasets Strong understanding of distributed systems and event ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Company: Financial Services Location: London - Hybrid 3 days per week CORE BANKING AND TRADING SYSTEMS EXPERIENCE ESSENTIAL Join a newly formed Service Modernisation & AI team driving AI-first software development in financial services. This … hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You’ll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains ...

working with a leading global financial institution seeking a Lead Java engineer to help drive the development of a large scale, low latency market data platform. This role sits within a high impact data/tech function responsible for delivering real time and historical data to trading … Mentor and develop a team of engineers across multiple locations Contribute to both hands on coding and high level system design Key Requirements Strong Java engineering background with experience building enterprise scale systems Proven experience working with market data or trading systems within financial services Experience building data ingestion ...

Role Overview We are looking for experienced Java professionals to contribute to the development and ongoing support of large-scale, distributed systems. Must be Eligible for SC & have active SC Depending on your experience and interest, you will either focus on: Building new features and services (Java Developer … Production support, incident resolution and platform stability (Java L3 Support) Both roles work closely with DevOps, QA and Architecture teams in an Agile delivery environment. Key ResponsibilitiesJava Developer Design and develop scalable microservices and APIs Build and enhance large-scale integration platforms Contribute to architecture and technical design discussions ...

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 ...

Software Engineer/Developer (Java Mathematics) WFH/Surbiton to £50k Are you a 'mathematically minded' Software Engineer looking for an opportunity like to progress your career working on complex and interesting systems? You could be joining a global geoscience technology company within oil and gas exploration ...

Full Stack Engineer who leans towards the backend but enjoys seeing features come to life end to end? Do you want to build systems that operate at global scale, handling real-time demand and complex marketplace dynamics? Looking for a role where you can ship frequently, own your work … influence product decisions from day one? Senior Full Stack Engineer Location: Oxford (remote-first with 1 day per week onsite) Our client is scaling a globally used, consumer-facing platform that connects millions of users with real-world experiences. This is an opportunity to join a high-performing engineering ...

Description: The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments As a Java L3 resource you will be responsible for triaging and resoling production issues on priority and solving complex technical support challenges, troubleshooting, debugging and relaying … strong technical experience with an open-minded attitude and ability to rapidly adapt and learn. Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding ...