Independently responsible further development and optimization of the Data Warehouse and the associated automation solutions in close coordination with DWH Architekten Ensuring high code and result quality through structured test methods such as Test Driven Development (TDD), Unit and Integration Tests Responsibility for the stability, performance, safety and technical feasibility of the developed software solutions Modernization and optimization of existing code base according to current software engineering standards (Clean Code, SOLID, CI/CD) Independent implementation of architectural adaptations, porting and new developments in technological, systemic or infrastructural changes Evaluation, piloting and introduction of new tools, technologies and methods for software development and data warehouse Working in data and BI projects: Conception, development and targeted implementation of own work packages with active professional impulse Proactive coordination with internal stakeholders and external service providers

Complete study of computer science, business informatics or mathematics (Diplom/Master) or comparable training as a specialist informatics Professional experience as software developer, software engineer or software architect Very good knowledge of C# (.NET) and SQL / T SQL, ideally supplemented by Python Experience with modern software development and deployment: Clean Code, SOLID, Design Patterns, TDD, CI/CD and Version Management Knowledge of software and data architecture, preferably in the Data Warehouse and BI environment (ETL) Experiences with SSIS, Cloud Deployments and Agentic Coding Analytical thinking, high self-responsibility and rapid incorporation into new technologies

Attractive: Remuneration with certificates and additional benefits such as occupational pensions, asset-effective benefits, sickness benefit Profit-making: From the first day, we will take you to the company's goals Sustainable: Jobticket and free car park with charging station for e-mobility Flexible: our sliding time model without core working time Current: mobile work from home or on site Support for development: our training programmes Trustful: our works council Worth seeing: our premises in a beautiful location Advantage: diverse corporate benefits Family-friendly: Operational child holiday care Active: Comprehensive health management and versatile sports