Over two months, contributed to the tenstorrent/tt-llk and tt-metal repositories by developing new features and resolving core reliability issues in C++ and Python. Focused on optimizing reduction path performance and improving packing reliability, introducing a new unpacking API and deprecating legacy code to streamline maintenance. Enhanced test coverage with multi-tile and tiny-tile scenarios, while expanding validation through configurable thresholds. Implemented TensorShape-based abstractions to unify shape handling across backend components, facilitating easier maintenance and consistent validation. Addressed hardware interfacing challenges by preventing configuration overwrites during active operations, and improved numerical correctness through targeted debugging and expanded test infrastructure.