Developed enhanced error handling for JSON:API responses within the ClipboardHealth/core-utils repository, focusing on backend reliability and client-facing consistency. Built the ServiceError.fromJsonApi converter in TypeScript to transform JSON:API error objects into standardized ServiceError instances, ensuring uniform error representation across services. Emphasized robust error handling and data integrity by implementing comprehensive unit tests that covered a range of scenarios, including minimal and multiple error objects as well as diverse source field types. Leveraged skills in API integration, backend development, and unit testing to reduce triage time and support more reliable error reporting for downstream API clients and service consumers.