During a two-month period, Soliverr developed and stabilized core data engineering features for the opendatahub-io/feast repository, focusing on backend integration between Feast and Trino. Soliverr built a Lakehouse Trino Offline Store Connector, enabling reliable offline analytics by improving timestamp formatting and ensuring consistent SQL query results across environments. In addition, Soliverr enhanced interoperability by mapping Trino date types to Feast, addressing downstream data consumption needs and resolving Pydantic deprecation warnings for compatibility. The work, implemented primarily in Python and SQL, demonstrated a deep understanding of backend development and data engineering, resulting in more robust and maintainable production deployments.