S. Suzugamine contributed to backend stability and deployment flexibility across two repositories, ai-dynamo/nixl and ai-dynamo/dynamo. In ai-dynamo/nixl, they addressed resource management issues in C++ and CUDA by removing redundant batch destruction logic, preventing double destruction errors and ensuring proper cleanup of batch I/O resources. This improved reliability in batch processing and reduced runtime errors. In ai-dynamo/dynamo, Suzugamine implemented dynamic HTTP host configuration for the frontend service using Rust, enabling host settings via CLI arguments and environment variables. This approach streamlined deployment across environments, reduced manual configuration, and demonstrated depth in backend development, CLI parsing, and environment management.