Java Developer/Consultant

OverviewWe are partnering with a leading investment bank seeking a skilled Java Consultant to support the development and enhancement of critical trading, risk, and financial systems. This role sits at the intersection of engineering and business, requiring strong technical expertise and the ability to deliver scalable, high-performance solutions in a fast-paced environment.Key ResponsibilitiesDesign, develop, and maintain enterprise-grade applications using Java and related technologiesCollaborate with front office, risk, and operations teams to translate business requirements into technical solutionsBuild and optimize low-latency, high-throughput systems for trading and financial workflowsContribute to system architecture, design patterns, and best practicesIntegrate with APIs, market data feeds, and third-party financial platformsTroubleshoot production issues and ensure system reliability and performanceParticipate in code reviews and promote high-quality engineering standardsRequired Qualifications5+ years of hands-on experience with Java (8+) developmentStrong experience with Spring / Spring Boot and RESTful APIsSolid understanding of data structures, multithreading, and concurrencyExperience with relational databases (e.g., SQL, Oracle, PostgreSQL)Familiarity with cloud platforms (AWS, Azure) or on-prem enterprise systemsExperience working in financial services or capital markets environmentsStrong problem-solving skills and ability to work in a fast-paced, high-pressure settingWhy JoinWork on mission-critical systems that drive global financial marketsExposure to cutting-edge technologies and complex financial productsCollaborative, high-performance engineering cultureCompetitive compensation and opportunity for long-term growthDesired Skills and ExperienceJavaSpring BootSpring FrameworkREST APIsMicroservices ArchitectureObject-Oriented Programming (OOP)Multithreading & ConcurrencyJVM Performance TuningStakeholder ManagementRequirements GatheringCross-Functional CollaborationProblem SolvingTechnical DocumentationOscar Associates Limited (US) is acting as an Employment Agency in relation to this vacancy.