Lead the development of high-performance backend systems using TypeScript, Node.js and NestJS, focusing on security, scalability, and efficiency., Design and implement a true SaaS database schema, models, and APIs for data retrieval, creation, and updates of a Postgres database system, ensuring security, scalability and performance., Collaborate with dedicated Frontend developers to ensure seamless integration between the Backend and the TypeScript/Next.js Frontend services., Drive the development and maintenance of enterprise software, ensuring it meets the needs of large-scale businesses in Germany., Ensure all development processes and software adhere to ISO27001 requirements, focusing on information security management., Self-manage and maintain systems on Hetzner on-premise servers and (potentially) move components into a new Cloud environment, ensuring reliable and secure infrastructure., Apply your knowledge of data engineering to enhance our data models and improve data processing and analysis capabilities.