Worked on reliability improvements for the DynamoDB Enhanced Client within the aws/aws-sdk-java-v2 repository, focusing on backend development and unit testing using Java. Addressed a bug where the DeleteTableOperation incorrectly returned DELETE_ITEM instead of DELETE_TABLE, ensuring accurate operation dispatch for DynamoDB requests. Enhanced test coverage by adding targeted unit tests to validate operation name recognition across different contexts, reducing the risk of misrouted requests in production environments. The approach emphasized robust validation and regression prevention, contributing to greater client reliability. All changes were delivered through a single bug fix, reflecting a methodical and quality-driven engineering process over the month.