Debanjan Ganguly enhanced test infrastructure and security across multiple repositories, focusing on reliability and maintainability. In rudderlabs/rudder-go-kit, Debanjan improved the PostgreSQL test helper by enabling bind IP configuration and stable IP assignment, leveraging Docker and Go to reduce CI flakiness and support more flexible test environments. For rudderlabs/rudder-sdk-js, Debanjan addressed security vulnerabilities by upgrading Next.js dependencies, ensuring safer deployment cycles through careful dependency management and security patching. Additionally, Debanjan streamlined project governance in rudderlabs/rudder-integrations-config by clarifying code ownership, demonstrating collaborative project management. The work reflects depth in Go development, Docker, and cross-language dependency management.