Senior Java Developer (Distributed Financial Systems) 100% (f/m/d) (Contract through our external payroll partner with immediate start until 30.09.2027 with possible extension)

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 for a senior backend and distributed systems engineer

with extensive experience designing, building, and operating

mission-critical financial systems. Proven expertise in Java-based

backend architectures, distributed systems, and low-latency,

high-availability services. Strong production mindset with end-to-end

ownership across the full software lifecycle—from architecture and

design through deployment, operations, and optimization. Comfortable

acting as a technical authority in complex, globally distributed

environments.

In addition to enhancing our core platform, the team is building a

strategic new channel that brings investment capabilities directly to the

bank's external clients through seamless integration with the e-banking

platform. Engineers joining the team will have the opportunity to shape

the architecture, scalability, and operational model of this highly visible

initiative from an early stage.

YOUR CHALLENGE

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
• Optimize 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
• Contribute to the expansion of the platform into digital client channels, designing and building backend services that power client-facing wealth and investment capabilities integrated into

the bank's e-banking ecosystem.

• 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.

YOUR PROFILE

Technical skills

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

• Good code review practices and pride in code quality.
• Ability to work independently and take ownership of projects.
• Willingness to collaborate in a global team with members in Zurich and Singapore.
• Previous experience in the financial industry is a plus.

Education and Skills Requirements

• Experience with cloud platforms, preferably Microsoft Azure.
• Knowledge of microservices architecture and containerization (e.g., Docker, Kubernetes).
• Familiarity with CI/CD pipelines and DevOps practices
• Exposure to API security, OAuth2, and related standards.

Softskills

• Strong ownership mindset with focus on business impact and reliability
• Analytical problem-solver with a performance- and quality-driven approach
• Team player
• Ability to work in an agile 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.

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