A role with a high degree of autonomy at the technical core of Switzerland's banking infrastructure.

Take on technical leadership within the team, shape its technical direction, and lead by example as a subject-matter role model

Further develop, stabilize, and operate an established, business-critical legacy system built on Spring Boot

Own the architecture and operation of high-volume Kafka event-streaming pipelines

Maintain and modernize a large existing codebase, balancing stability with continuous improvement

Mentor developers and define technical standards and best practices for the team

Work closely with architects, product owners, and stakeholders to translate business requirements into robust technical solutions

Ensure code quality, performance, and reliability in systems where precision and stability are non-negotiable

Expert-level Java developer with proven experience as a lead developer

At least 5 years of hands-on experience with Spring Boot in production

At least 5 years of solid, hands-on Apache Kafka expertise, particularly in high-volume environments

Experience working in mature, established legacy system landscapes

Knowledge of Oracle databases is an advantage, but not a priority

Experience in financial services or insurance is an advantage

Excellent German skills (mandatory); fluent English

Strong communication skills and the ability to lead through expertise and credibility, not just by title