Senior Java Developer (Distributed Financial Systems) 80 - 100% (f/m/d) - (Contract through our external payroll partner with immediate start for 12 months with possible extension)

YOUR CHALLENGE

Design and evolve robust distributed systems, balancing scalability, latency, consistency, and fault tolerance

Apply distributed systems principles (e.g. consistency models, idempotency, back-pressure, resiliency patterns) to real‑world financial workloads

Develop and maintain high‑performance backend services and APIs using Java, Spring, and Spring Boot

Optimise end‑to‑end latency, asynchronous processing, and efficient IO

Identify and resolve performance bottlenecks through profiling, benchmarking, and load testing

Integrate complex financial platforms and third‑party services, ensuring correctness, data integrity, and operational resilience

Design reliable messaging and integration flows using JPA, JDBC templates, JMS, and event‑driven patterns

Code Quality and Best Practices: Write clean, maintainable, and efficient code while adhering to industry best practices, including code reviews, testing, and CI/CD

Apply financial‑grade engineering principles (auditability, security, controlled change)

Collaboration: Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications and deliverables

YOUR PROFILE

Languages & Platforms: Java (Core Java, Collections, JSON, JDBC), Spring Framework, SpringBoot

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

Strong code review practices and pride in code quality

Experience with cloud platforms, preferably Microsoft Azure

Knowledge of microservices architecture and containerisation (e.g., Docker, Kubernetes)

Familiarity with CI/CD pipelines and DevOps practices

Previous experience in the financial industry is a plus

Willingness to collaborate in a global team with members in Zurich and Singapore

Strong ownership mindset with focus on business impact and reliability

Analytical problem‑solver with a performance‑ and quality‑driven approach

Team player with the ability to work in an agile environment

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