During March 2025, contributed to the shepazon/aws-doc-sdk-examples repository by updating the Kotlin S3 Multi-Region Access Point (MRAP) example to use DefaultAwsSigner, replacing the previous CrtAwsSigner implementation. This change aligned the sample code with the latest AWS SDK authentication scheme, ensuring compatibility with evolving security practices and reducing future maintenance overhead. The work focused on improving reliability and developer onboarding by keeping the example current and reflective of best practices for AWS SDK usage in Kotlin. Leveraged skills in AWS SDK, authentication, and S3 to deliver a targeted feature update, with no major bugs reported during this period.