Worked on stabilizing API error handling in the juspay/superposition repository, focusing on backend development and error management using Rust. Addressed a bug in default configuration creation by removing custom error logging and mapping, allowing underlying database errors to propagate directly through the API. This approach enabled the API to return a precise 409 Conflict status for duplicate key violations, aligning responses with database constraints and reducing ambiguity for clients. The changes improved integration reliability and simplified future maintenance by clarifying failure semantics. Demonstrated disciplined error-handling practices, emphasizing maintainability and accuracy in API development without introducing new features during the period.