PpbBack-End Java Developer /b /p /p p(m/f/d) /p Freelance/temporary employment for a project Zurich Start date: asap Reference number: /1 ppb Diesen Job teilen oder drucken /b /p /p ppb Responsibilities /b /p /p liDesign and evolve robust distributed systems, balancing scalability, latency, consistency, and fault tolerance /liliApply distributed systems principles ( consistency models, idempotency, back-pressure, resiliency patterns) to real-world financial workloads /liliDevelop and maintain high-performance backend services and APIs using Java, Spring, and Spring Boot /liliOptimize end-to-end latency, asynchronous processing, and efficient IO /liliIdentify and resolve performance bottlenecks through profiling, benchmarking, and load testing /liliIntegrate complex financial platforms and third-party services, ensuring correctness, data integrity, and operational resilience /liliDesign reliable messaging and integration flows using JPA, JDBC templates, JMS, and event-driven patterns /liliCode Quality and Best Practices: Write clean, maintainable, and efficient code while adhering to industry best practices, including code reviews, testing, and CI/CD /liliApply financial-grade engineering principles (auditability, security, controlled change) /liliCollaboration: Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications and deliverables /li ppb Profile /b /p /p liTechnical skills: Languages Platforms: Java (Core Java, Collections, JSON, JDBC), Spring Framework, Spring Boot / Architecture: Distributed systems, microservices, event-driven design, low-latency systems / Databases Messaging: JPA, JDBC, relational databases, JMS / Operating Systems: Unix/Linux, bash scripting / Security: OAuth2, API security, IAM concepts /liliGood code review practices and pride in code quality /liliAbility to work independently and take ownership of projects /liliWillingness to collaborate in a global team with members in Zurich and Singapore /liliPrevious experience in the financial industry is a plus /liliExperience with cloud platforms, preferably Microsoft Azure /liliKnowledge of microservices architecture and containerization (, Docker, Kubernetes) /liliFamiliarity with CI/CD pipelines and DevOps practices /liliExposure to API security, OAuth2, and related standards. /li ppb Benefits /b /p /p liLong-term project in a world renowed bank /li