Worked on the NVIDIA/swift repository to enhance S3 object storage stability and security, focusing on backend development and API correctness using Python and DevOps practices. Addressed edge-case request handling by implementing robust XML and manifest size validation for chunked transfers, ensuring oversized requests are properly rejected with explicit errors. Improved metadata management by aligning POST and PUT validation, preventing malformed inputs and enforcing metadata limits. Fixed reliability issues in multi-delete operations by handling empty Quiet elements, reducing internal errors. The work demonstrated careful attention to error signaling, validation, and consistency, contributing to safer and more scalable object storage operations within OpenStack environments.