During March 2025, Duarte enhanced the TobikoData/sqlmesh repository by delivering a feature that enables configurable Snowflake connectivity. He introduced host and port parameters to the SnowflakeConnectionConfig, allowing deployments to target environment-specific endpoints and improving flexibility in connection management. The implementation focused on backend development and database configuration, utilizing Python to update both the configuration logic and the associated CLI tests. This work reduced friction in configuring Snowflake connections and promoted better environment parity. Although no bugs were fixed during this period, Duarte’s contribution demonstrated depth in Python-based configuration management and strengthened the project’s Snowflake integration strategy.