Worked on modernizing the matmul kernel within the modular/modular repository, focusing on enhancing code safety and maintainability in GPU programming workflows. The primary contribution involved migrating multiple GPU matmul components away from LegacyUnsafePointer, thereby reducing memory safety risks and aligning with contemporary Mojo memory management practices. This effort required coordinated updates across several core kernel files and close collaboration with external contributors to ensure traceability and maintainability. Demonstrated proficiency in Mojo and kernel development while addressing related issues and pull requests. The work laid a foundation for further modernization of GPU kernels and contributed to safer, more robust code paths.