Senior Java Developer (Distributed Financial Systems)

Job Title

• Senior Java Developer (Distributed Financial Systems) - Zurich - 80–100% (f/m/d)
• Contract through our external payroll partner, starting immediately, for 12 months, with the possibility of extension

Tasks

• Apply microservice system principles (e.g., consistency models, idempotency, resiliency patterns) to real-world financial workloads
• Optimize end-to-end latency, asynchronous processing, and efficient I/O
• Develop and maintain high-performance backend services and APIs using Java, Spring, and Spring Boot
• Identify and resolve performance bottlenecks through profiling, benchmarking, and load testing, while ensuring rigor, data integrity, compliance, and operational resilience
• Integrate complex financial platforms and third-party services, ensuring accuracy, performance, security, and regulatory compliance
• Design reliable messaging and integration flows using JPA, JDBC templates, JMS, and event-driven architectures
• Adhere to enterprise standards (e.g., OWASP guidelines and industry frameworks) while adhering to financial-grade principles
• Quality and Best Practices: Write clean, maintainable, and efficient code using industry best practices, including code reviews, testing, and CI/CD
• Apply financial-grade engineering principles (auditability, security, controlled change)
• Collaborate: Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications and deliverables

Requirements

• Languages & Platforms: Java (Core Java), Core Java, Collections, JSON, JDBC, Spring Framework, Spring Boot, Spring MVC
• Architecture: Distributed systems, microservices, event-driven design, low-latency systems
• Databases & Messaging: JPA, JDBC, relational databases, JMS
• Operating Systems: Unix/Linux, bash scripting
• Security: OAuth 2.0, API security, IAM concepts
• Robust code review practices and a commitment to code quality
• Experience with cloud platforms, preferably Microsoft Azure
• Knowledge of microservice architecture and containerization (e.g., Docker, Kubernetes)
• Familiarity with CI/CD pipelines and DevOps practices
• Previous experience in the financial industry is a plus
• Willingness to collaborate on a global team with members in Zurich and Singapore.