During September 2025, Bytesgo focused on build process improvements and maintenance across the spring-projects/spring-ai and alibaba/spring-ai-alibaba repositories. They standardized AssistantMessage construction using the builder pattern in Java, enhancing message extensibility and testability. In alibaba/spring-ai-alibaba, Bytesgo refactored Maven version management by adopting the ${revision} property, reducing version drift and streamlining multi-module builds. Additional work included updating the maven-gpg-plugin for improved build stability and ignoring unnecessary files to reduce linting friction. These changes collectively improved CI/CD reliability, reduced build churn, and clarified versioning, demonstrating strong skills in Java, Maven, build configuration, and disciplined code refactoring.