Worked on stabilizing core infrastructure in open source projects by addressing critical bugs in both backend and frontend systems. In the ClickHouse/clickhouse-go repository, implemented a fix for JSON aggregate serialization by introducing CustomSerialization in Go, ensuring correct version transmission and reliable handling of JSON data in database integrations. Later, contributed to the prometheus/prometheus project by enhancing the PromQLExtension’s React component lifecycle, adding destroy methods to prevent memory leaks and ensure proper resource cleanup. Leveraged Go, TypeScript, and React to deliver robust solutions that improved reliability, reduced support overhead, and supported scalable, maintainable integrations across complex data-driven applications.