Senior Java Developer (Performance Focused)

<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;">We are looking for a senior Java engineer with a strong performance engineering background to join a global financial technology platform team in Zurich.</p><p style="min-height: 1.7em;"></p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;"><strong>What you will be doing</strong></p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;">You will work within a cross-functional Scrum team on a high-throughput, enterprise-grade platform serving the global Securities Finance and Collateral market. Your focus will be on identifying and eliminating performance bottlenecks, rearchitecting critical components for scalability, and driving the platform's technical evolution alongside senior architects.</p><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;min-height: 1.7em;"></p> <br> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;"><strong>What we are looking for</strong></p><ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"><li><p>5+ years of hands-on Java enterprise development (Java SE/JEE, Spring, JPA/Hibernate)</p></li><li><p>Real performance engineering experience acquired through development work: profiling, GC tuning, load testing, bottleneck analysis</p></li><li><p>Strong SQL skills (Oracle, PostgreSQL, or SQL Server)</p></li><li><p>Background in financial services or high-throughput enterprise systems</p></li><li><p>Solid understanding of software design and enterprise architectural patterns</p></li><li><p>Experience working in Agile, distributed team environments</p></li><li><p>Strong communication skills in English<br></p></li></ul><p class="font-claude-response-body break-words whitespace-normal leading-[1.7]" style="text-align:start;"><strong>Good to have</strong></p><ul class="[li_&]:mb-0 [li_&]:mt-1 [li_&]:gap-1 [&:not(:last-child)_ul]:pb-1 [&:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"><li><p>Experience with Kubernetes/OpenShift</p></li><li><p>CI/CD and DevOps practices</p></li><li><p>Apache Camel or similar integration frameworks</p></li></ul><p style="min-height: 1.7em;"></p><p>Find more <a href="https://www.arbeitnow.ch/english-speaking-jobs">English Speaking Jobs in Switzerland</a> on Arbeitnow</a>