https://jobs.co.uk/job/senior-java-developer-multithreadingcaching-harvey-nash--c4fdbd0d-8ee1-43a1-baa3-dcfc6fc36db2 RSS feed for Senior Java Developer - Multithreading/Caching at Harvey Nash. en-gb Sun, 03 May 2026 03:31:25 GMT https://jobs.co.uk/job/senior-java-developer-multithreadingcaching-harvey-nash--c4fdbd0d-8ee1-43a1-baa3-dcfc6fc36db2 https://jobs.co.uk/job/senior-java-developer-multithreadingcaching-harvey-nash--c4fdbd0d-8ee1-43a1-baa3-dcfc6fc36db2 Fri, 01 May 2026 11:52:33 GMT Location: London | Salary: 700.00-700.00 Daily | Type: Contract | Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract inside IR35 - umbrella Key ResponsibilitiesDevelop and maintain high-performance backend services for complex data processing workloads.Design scalable architectures for large-volume calculations and data pipelines.Work closely with cross-functional teams to define and deliver new features.Ensure optimal performance, quality, and reliability across backend services.Diagnose and resolve performance bottlenecks and defects.Follow best-practice engineering standards, design patterns, and architectural principles.Apply Test-Driven Development (TDD) in day-to-day development.Use static code analysis tools such as SonarQube to maintain clean, high-quality code.Work efficiently with SQL, data joins, and large/complex datasets.Leverage AI tooling to enhance productivity in coding and system design.Required Skills and Experience8+ years'' experience in Java backend development (Java 17+).Degree in Computer Science, Software Engineering, or related field.Strong expertise in Java + Spring Boot / Spring Data / Spring Cloud.Excellent SQL knowledge and experience optimising queries and d... Contract