Design, develop, and maintain reliable, scalable ETL/ELT pipelines. Build and manage data models and transformations using dbt. Implement data governance, quality checks, lineage, and observability. Write production-grade Python/SQL, debug issues, and improve pipeline performance. Integrate internal and external data sources. Contribute to architectural decisions and data engineering standards. Mentor future data team members. Build metrics and dashboards for business needs. Ensure data requirements are incorporated into product and operations workflows. Partner with Security/Compliance for SOC2 and HIPAA-adjacent requirements.