Senior Java Engineer – Commerce Platform Modernization

gamigo AG is seeking a Senior Java Engineer to own the core commerce and account management platform powering our US game portfolio. You will lead modernization of a legacy app, ensuring security and reliability across PC and console ecosystems.

Key duties include migrating MSSQL to PostgreSQL, moving services to Google Cloud Platform, implementing SSO with third‑party providers, maintaining API integrations with Steam, PlayStation, Xbox and Nintendo, and working with FreeMarker templates and