Julius Baer

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

Zurich

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hirly's read of this role

Role family: Engineering
Seniority: Mid level
Country: CH
Work mode: On-site / unstated
First seen by hirly: 22 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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

Future-proof 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)

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 .

Original posting on Julius Baer's site ↗

Listed on hirly, a job board. hirly is not the employer: Julius Baer is hiring for this role.

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