5+ years working on production backend or data-intensive systems
Recent, substantial hands-on experience writing and operating production software
Strong Python skills. TypeScript experience is a plus
Production PostgreSQL experience: multi-tenancy, migrations, and performance optimization
Deep SQL knowledge and experience with analytical data processing, such as columnar formats or embedded query engines. We use Parquet, Arrow, and DuckDB
Experience building, extending, and maintaining ETL pipelines across heterogeneous sources, including ERP exports, Excel, and CSV
Experience setting up and maintaining CI/CD pipelines for reliable production deployments
The ability to make technical decisions independently and explain the trade-offs
German at C1 level or above, and fluent English. Team communication is in German; code and documentation are in English
The right to work in Germany. We do not offer visa sponsorship
You should enjoy turning ambiguous customer needs into clear technical priorities, rather than waiting for fully specified tasks. Priorities can change as we learn from customers; you'll work directly with me to make scope and trade-offs explicit.
Responsibilities
5+ years working on production backend or data-intensive systems
Recent, substantial hands-on experience writing and operating production software
Strong Python skills. TypeScript experience is a plus
Production PostgreSQL experience: multi-tenancy, migrations, and performance optimization
Deep SQL knowledge and experience with analytical data processing, such as columnar formats or embedded query engines. We use Parquet, Arrow, and DuckDB
Experience building, extending, and maintaining ETL pipelines across heterogeneous sources, including ERP exports, Excel, and CSV
Experience setting up and maintaining CI/CD pipelines for reliable production deployments
The ability to make technical decisions independently and explain the trade-offs
German at C1 level or above, and fluent English. Team communication is in German; code and documentation are in English
The right to work in Germany. We do not offer visa sponsorship
You should enjoy turning ambiguous customer needs into clear technical priorities, rather than waiting for fully specified tasks. Priorities can change as we learn from customers; you'll work directly with me to make scope and trade-offs explicit.
Linked-in
Google