Design, develop, and maintain Go-based backend services using gRPC as the primary API protocol
Implement scalable, service-oriented architectures with clean separation of concerns and well-defined interfaces
Build secure systems with proper authentication, encryption, and secure data transport
Optimize relational databases (schema design, indexing, query tuning) and support data migrations
Contribute to technical decisions, architectural reviews, and team discussions — your input will shape what we build

5+ years of experience writing production-grade Go code
Strong grasp of idiomatic Go, concurrency patterns, memory management, and profiling with tools like pprof
Solid experience building and maintaining APIs using gRPC — you understand Protobuf versioning, streaming, and API lifecycle best practices (bonus: you know Google AIPs)
Proven experience working with relational databases (PostgreSQL/MySQL), performance tuning, and schema design
Comfortable working in cloud-native environments and applying caching, queuing, and observability best practices
Professional working proficiency in English — you can clearly communicate complex technical ideas to peers and stakeholders
Willingness to work with existing Java/Kotlin code and use programming languages that fit tasks that need to be done

Home office contracts & absolute flexibility through free organization of working hours
Permanent position and 30 days of vacation
FlexWork: Work remotely from other European countries for up to 3 months per year
Monthly budget for individually selectable benefits from over 50 possible offers via emplu, various offers via corporate benefits, as well as bicycle and car leasing via salary conversion
Mental Health Benefit 'Nilo' – 10 free sessions with psychologists annually as well as access to meditations and courses
Mentoring program for a structured and personal induction
Modern equipment and central offices in Walldorf, Berlin, Munich and Leipzig
Subsidy for company pension scheme as well as capital-forming benefits

Senior Go Developer – Focus on gRPC, Enterprise Applications

Key skills