Worked on enhancing security and reliability for the keboola/storage-api-php-client and keboola/storage-backend repositories over a two-month period. Focused on expanding automated test coverage for Snowflake Workspaces, implementing RSA key pair authentication tests, and validating workspace creation and connection flows. Delivered security hardening and API enhancements for Reader Workspaces, including public key rotation and read-only enforcement, while modernizing and consolidating the test suite for improved reliability. Upgraded the Snowflake ODBC driver in Docker images to leverage new features and security patches. Utilized PHP, Docker, and SQL, emphasizing backend development, API integration, and robust automated testing throughout the work.