Senior Java Engineer – HPC Cluster Development & Maintenance, 100% (f/m/d)

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together. We are seeking a strong Java engineer to develop and maintain a High-Performance Computing (HPC) cluster comprising hundreds of servers (on-premises and augmented by Microsoft Azure). This cluster provides critical computing power to a modern trading floor. The cluster scheduling and control systems are primarily built in Java, with Apache Ignite as the clustering layer. Jobs are received from internal clients via legacy HTTP and ActiveMQ interfaces, while modern clients use an in-house API developed in Java and Python. System statistics are collected in MongoDB and Elastic/Kibana. This role requires ensuring high availability for a mission-critical resource, developing a deep understanding of a large existing codebase, and proposing improvements. You will also maintain and enhance multiple monitoring systems for both infrastructure and client job submissions. YOUR CHALLENGE Develop and maintain Java-based cluster scheduling and control systems. Ensure high availability and reliability of HPC resources. Maintain and improve monitoring systems for infrastructure and client submissions. Collaborate with internal stakeholders to balance resource allocation with business requirements. Troubleshoot and optimize performance across on-prem and Azure-augmented environments. Ensure compliance with banking regulatory requirements. YOUR PROFILE Strong Java multithreaded development expertise (core and enterprise-level) Experience with: Distributed Execution Engines. NoSQL Databases ActiveMQ (messaging) Front-end Web Technologies (legacy UI maintenance) Python (for API and tooling) Familiarity with: Azure Portal and Azure SDK for Java Red Hat Linux Understanding of banking systems and regulatory requirements Language: Fluent English; German is a plus Bonus Skills: Scala and C++ Kubernetes (container orchestration) What We Offer: Opportunity to work on mission-critical systems in a high-performance environment Exposure to cutting-edge HPC and cloud technologies Collaborative team culture in a dynamic trading environment We are looking forward to receiving your full job application through our online application tool. Further interesting job opportunities can be found on our Career site. Is this not quite what you are looking for? Set up a job alert by creating a candidate account here. The international reference in wealth management Julius Baer is the leading Swiss wealth management group. We focus on servicing and advising sophisticated private clients from around the world, taking into account what truly matters to them – in their business and personal life, today and for future generations. Headquartered in Zurich, we are present in around 60 locations worldwide, including Bangkok, Dubai, Dublin, Frankfurt, Geneva, Hong Kong, London, Luxembourg, Madrid, Mexico City, Milan, Monaco, Mumbai, Santiago de Chile, Shanghai, Singapore, Tel Aviv, and Tokyo. Why join Julius Baer? At Julius Baer our employees enjoy the benefits of a global company with the support and collegiality of a much smaller one. We are growing quickly, but we remain dedicated to maintaining our accessible structure with flat hierarchies, and approachable and supportive leaders. With offices around the world, we offer an international and stimulating work environment and the opportunity to work with a diverse team of highly motivated colleagues, bringing the best of the bank to our clients. Our core values of Care, Passion, and Excellence define the tone of how we interact with each other and our partners. Committed to your success Whether nurturing young talent with our renowned apprentice scheme, enabling ambitious university graduates to put theory into practice with our Graduate Programme, or providing first-class opportunities for experienced professionals, we look after our employees. We believe in continuous learning as a company and as individuals, which is why we put a focus on the health and well-being of our employees and offer flexible working options, a wide array of benefits, and extensive career development programmes. For more information visit www.juliusbaer.com or contact us via the Contact Form. For recruiting agents, please see the additional information here.