Alexander Sokolov enhanced the Oceananigans.jl repository by addressing a critical bug in the Nonhydrostatic model’s Clock constructor, enabling the model to execute reliably on MetalGPU hardware. His work focused on improving cross-backend compatibility and reducing platform-specific failures, which are essential for robust scientific computing workflows. Using Julia and leveraging GPU programming expertise, Alexander implemented targeted unit and integration tests to validate correct operation within the MetalGPU architecture. This effort not only improved backend reliability but also laid the foundation for future MetalGPU optimizations, demonstrating a thoughtful approach to testing and performance in hardware-accelerated scientific software development.