Java Software Engineer

5 days ago


London, United Kingdom Oliver Bernard Full time

Java Software Engineer Java Software Engineers needed for a fast growing payments company on a mission to make global transactions faster, smarter, and more reliable. Their platform powers real-time financial interactions for businesses across the world, and we’re scaling rapidly. The Role: As a Java Engineer, you will design and develop highly scalable, event-driven services that handle millions of transactions daily. You’ll work closely with a cross-functional team of engineers, architects, and product specialists to innovate and deliver robust solutions within a modern cloud-native environment. What You’ll Do: Build and maintain reactive, event-driven services using modern Java and frameworks such as Spring WebFlux or Project Reactor Design scalable Microservices that support high-throughput payment workflows Collaborate with other engineers to optimise system performance and reliability Contribute to architectural decisions and technical roadmaps Write clean, testable, and well-documented code What We’re Looking For: Strong experience with Java (11+) Hands-on experience with Reactive programming (WebFlux, Reactor, Akka, Vert.x, or similar) Solid understanding of Microservices, distributed systems, and event-driven architectures Experience with cloud platforms (AWS, GCP, or Azure) Knowledge of CI/CD pipelines, Docker, Kubernetes, or related tooling A collaborative mindset and a passion for engineering excellence Nice to Have: Experience in the payments or fintech domain Exposure to Kafka or other messaging technologies Familiarity with performance testing and observability tools What We Offer: Up to £115k base + bonus, stocks and strong non-contributory pension Hybrid working with 1–2 office days per week in our London location Opportunity to work on mission-critical systems at scale



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