Sasha Liu
Platform architect
Engineering team profile. Platform architecture posts on AI-DE Insights cover warehouse cost analysis (Snowflake vs BigQuery vs Databricks), FinOps for data platforms, multi-cloud Terraform, and the partition pruning + query optimization patterns that make platforms affordable at scale. Replace with real bio when authoring identity ships.
2 posts by this author
- PlatformJun 02, 202615 min readCI/CD for Data Pipelines: The Production Guide
Data pipelines are stateful — software CI/CD patterns don't transfer cleanly. Schema validation, data quality gates, environment parity, and the 7-stage lifecycle that prevents 3 AM failures, with working dbt + Airflow + Great Expectations code.
- PlatformFeb 28, 202610 min readSnowflake vs BigQuery in 2026: A Cost Analysis
We ran the same workload — 8 TB scanned daily, mixed ad-hoc and scheduled queries, three BI tools — on both Snowflake and BigQuery for 30 days. The winner depends on something most comparisons get wrong.