Worked on enhancing observability within the CDCgov/data-exchange-upload repository by delivering a feature that embeds upload IDs into all upload-related log entries, enabling end-to-end traceability of events. Utilized Go for backend development, focusing on logging and system design to accelerate incident response and root-cause analysis. Refactored the logger initialization into a reusable setup function and consolidated log utilities to standardize formatting and reduce code duplication. Introduced a no-op S3 appender to improve traceability and debugging without affecting production behavior. These improvements laid the foundation for faster debugging, improved monitoring, and more reliable data ingestion workflows within the service.