Julius Baer
Financial Services
SeniorJavaEngineer–HPCClusterDevelopment&Maintenance,100%(f/m/d)
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Java Engineer – HPC Cluster Development & Maintenance, 100% (f/m/d) at Julius Baer. Skills: Java development, HPC cluster management, System monitoring. Develop Java-based cluster systems. Maintain Java-based cluster systems”
Industry & Context.
Troubleshoot performance
What They're Looking For.
Must Have
Strong Java multithreaded development expertise, Distributed Execution Engines experience, NoSQL Databases experience, ActiveMQ experience, Front-end Web Technologies experience, Python experience, Azure Portal familiarity, Azure SDK for Java familiarity, Red Hat Linux familiarity, Banking systems understanding, Regulatory requirements understanding
Nice to Have
Scala bonus skills, C++ bonus skills, Kubernetes bonus skills
What You'll Do.
Develop Java-based cluster systems
Maintain Java-based cluster systems
Ensure high availability
Ensure reliability of HPC resources
Maintain monitoring systems
Improve monitoring systems
Collaborate with internal stakeholders
Balance resource allocation
Troubleshoot performance
Ensure compliance with regulatory requirements
How You'll Work.
Team & Collaboration
Collaborate with internal stakeholders
Full Job Description
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 **ba
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