During March 2025, Ruster focused on backend improvements across zeta-chain/node, flyteorg/flyte, and ava-labs/avalanchego, emphasizing code quality and maintainability. He streamlined error handling in Go by updating GetLogs and Listen in zeta-chain/node to suppress non-actionable errors, reducing unnecessary error noise. In flyteorg/flyte, he normalized error handling for hashing and marshaling utilities, ensuring clearer semantics and simpler maintenance. For ava-labs/avalanchego, Ruster improved code readability by aligning exported function names with Go conventions and correcting documentation. His work demonstrated strong skills in Go, error handling, and code refactoring, resulting in more robust and maintainable codebases across multiple repositories.