Worked on the temporalio/sdk-java repository to enhance developer experience by refining error handling within the Temporal SDK for Java. Focused on improving the clarity of exception messages in RpcRetryOptions, the work targeted configuration errors related to invalid duration and coefficient parameters. By delivering more actionable and specific feedback, these changes helped users diagnose misconfigurations more efficiently and reduced ambiguity during integration. The approach emphasized robust input validation, clean commit practices, and user-facing quality. Leveraging Java and SDK development expertise, the improvements contributed to smoother onboarding, faster issue resolution, and more reliable production behavior for Temporal SDK users.