Senior Java Developer - Distributed Financial Systems

Location: Zurich
Start date: As soon as possible - flexible
Duration: 12 months – with possibility of extension

Key Responsibilities

• 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

Qualifications

• 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
• 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 playerwith the ability to work in an agile environment

Due to Swiss work permit restrictions, we can only consider applications from EU citizens or holders of valid working permit in Switzerland. Experis® is a global leader in IT professional resourcing, permanent recruitment, project solutions, and managed services. With over 25 years of experience in Switzerland and offices in Zürich, Basel, and Geneva, we connect top IT talent with leading companies. Our mission is to help professionals unlock their potential and thrive in dynamic, future-ready careers.