4w German required Werkstudent (m/w/d) – Founder’s Associate | Strategy, Transformation & AI Köln, Nordrhein-Westfalen Working student Junior RNReifenhäuser NEXT · 2 matching jobs Job posting ↗+ Track 2mo German required Kotlin Developer (m/w/d) Köln, Nordrhein-Westfalen Hybrid Full-time RNReifenhäuser NEXT · 2 matching jobs Kotlin, Apollo GraphQL, GraphQL, REST, PostgreSQL, TimescaleDB Job posting ↗+ Track