Worked on the datastax/jvector repository to enhance reliability and build stability for cross-platform Java back end systems. Addressed a critical bug by refactoring float bulk-write operations into the IndexWriter, ensuring consistent endianness and reliable data serialization across environments. Resolved ProductQuantization compilation errors, which stabilized builds and improved deployment reliability. Updated repository hygiene by refining the .gitignore to exclude unnecessary language server files, reducing version control noise. The work demonstrated a focus on robust software architecture and careful attention to cross-platform compatibility, contributing to smoother developer workflows and more predictable data handling in Java-based back end applications.