Senior Java Developer - Distributed Financial Systems
Summary
A 12-month (extendable) hybrid contract in Zurich building high-performance distributed backend services for financial workloads. Day to day involves designing scalable, low-latency Java/Spring Boot microservices, tuning async IO and messaging (JPA, JMS), and profiling bottlenecks, with Docker/Kubernetes on Azure in a Zurich–Singapore team.
Remote: Hybrid
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.
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
If you are interested in this opportunity, or if you have any questions, contact Kaltrina Xhokli at+41 58 307 2086. Due to Swiss work permit restrictions, we can only consider applications from EU citizens or holders of valid working permit in Switzerland.