Senior Java Developer - Capital Markets | Hybrid (UK) Join a high-impact engineering team working on advanced trading and data platforms for one of the most respected names in capital markets. Our client is building out their Java capability to support a range of new cloud-native initiatives - and they're looking for a Senior Java Developer to help shape and deliver the next wave of functionality. This is a hybrid role with plenty of flexibility, working alongside top-tier engineers and stakeholders in an agile environment. What you'll be doing Designing and building enterprise-grade Java applications using Spring Boot Delivering scalable, cloud-native solutions on AWS, focused on performance and resilience Working with real-time messaging tools like Kafka or MQ to enable robust communication between services Writing and tuning SQL queries for relational databases and helping shape underlying schema design Collaborating with product, QA and DevOps teams to deliver features from concept to production Maintaining clean, well-documented code that meets internal and industry standards Troubleshooting complex issues across environments and contributing to long-term fixes and improvements What we're looking for Strong commercial Java development experience, ideally within financial services or capital markets Deep knowledge of Spring Boot and object-oriented design Proven track record working with AWS and cloud-native tools Experience with Kafka, MQ, or other messaging technologies in distributed systems Confident SQL skills and an understanding of RDMS optimisation A natural problem solver who's comfortable working in fast-moving delivery environments Strong communication and collaboration skills - someone who works well in a team Bonus points for Knowledge of CI/CD pipelines (Jenkins, GitLab CI) Experience working with containerised microservices (Docker, Kubernetes) Performance tuning of enterprise applications at scale What's on offer Work on genuinely interesting systems that are business-critical Hybrid working model with flexibility built-in Competitive salary comprehensive benefits A collaborative environment that values innovation and engineering excellence Ongoing opportunities for progression and upskilling For more information about this role reach out to Aaron Somers at Ocho via LinkedIn or apply here Skills: software development software engineering Benefits: Work From Home bonus pension healthcare