Worked on reliability and modernization across the opentensor/bittensor and pathwaycom/pathway repositories, focusing on backend improvements using Python and database management skills. Enhanced error handling in Synapse by refining exception management, removing redundancies, and standardizing documentation, which improved maintainability and onboarding for new contributors. Updated deprecated API calls and optimized PostgreSQL data writing paths to ensure compatibility and performance. Integrated a DocumentStoreClient to enable vector store operations, laying the foundation for efficient vector-based data retrieval. Emphasized robust testing and clear error surfaces, resulting in more stable and maintainable codebases that support future feature development and streamlined debugging processes.