Worked on the AutoMQ/automq repository to enhance data durability for streaming workloads by updating the default S3 Write-Ahead Log (WAL) upload interval to 60,000 milliseconds. This backend development effort, implemented in Java, increased the frequency of WAL uploads to object storage, supporting faster recovery and more predictable service level agreements. The change was delivered as a default value update, minimizing risk and maintaining backward compatibility. Validation included targeted tests and thorough code reviews to ensure reliability and prevent regressions. The work aligned with reliability targets, focusing on improving persistence cadence and strengthening recovery processes for distributed streaming systems.