Senior DevOps Engineer Java / Kotlin – eBanking 100 %
Callista Group AG2 days ago
Zürich, SwitzerlandSenior
Responsibilities
- Further develop and operate five business-critical eBanking applications.
- Develop and maintain microservices and self-contained systems.
- Design and implement sustainable technical solutions for banking requirements.
- Continuously optimize the collaboration between development, testing, operations, and monitoring.
- Ensure the stability, performance, security, and availability of assigned services.
- Contribute technical and methodological ideas to improve the team and products.
- Shape modern software architectures and development standards within an agile DevOps team.
Requirements
- Completed university, technical college, or higher technical college studies in computer science, business informatics, or a comparable qualification.
- Several years of software development experience, ideally in the banking sector.
- Very strong Java and Angular development skills, including Spring and JPA.
- Strong Kotlin skills and experience with Oracle and PostgreSQL.
- Practical experience with Kubernetes and modern container technologies.
- Experience in software architecture and development of internet-facing services.
- Understanding of microservices, Domain-Driven Design, resilience, and observability.
- Experience with agile development methods, Pair-/Mob-Programming, and Test-Driven Development.
- Knowledge of JIRA.
- Good German and English skills are mandatory.
- Team- and customer-oriented personality with strong motivation, ownership, and interpersonal skills.
Benefits
- Full-time 100% assignment.
- On-site work at the customer in Zurich.
- Assignment period from December 1, 2026 to November 1, 2028.
- Collaborative agile DevOps team with opportunities for knowledge sharing and continuous improvement.
Tech Stack
About Callista Group AG
Callista Group AG is a Swiss IT consulting and engineering firm that helps enterprises build and operate AI, data, cloud, and security solutions. The company provides strategy-to-delivery services including agentic AI engineering, data platforms, DWH migration, and governance, with flexible nearshore support from Serbia. Founded in 2010 and headquartered in Zug, it serves Swiss and European clients across industries such as insurance, banking, and life sciences.