Worked on the PowerGridModel/power-grid-model repository to deliver a feature focused on improving buffer handling through type-safe function overloads. Applied Python typing and backend development skills to introduce flexible buffer creation patterns, enhancing both API clarity and future extensibility for different buffer types. Refactored import statements to improve code maintainability and resolved Ruff lint issues, ensuring consistent code quality. The changes reduced the risk of runtime buffer errors and established a scalable abstraction for buffer management within grid models. This work emphasized type hinting and type safety, laying a foundation for more robust data handling in the project’s backend architecture.