Engineering Insights

Deep dives into data engineering, best practices, and lessons learned from production systems.

Performance December 2024

Optimizing Snowflake Queries at Scale

Learn how I reduced warehouse costs by 40% using clustering keys, materialized views, query profiling, and strategic warehouse sizing.

Architecture November 2024

Building Fault-Tolerant Data Pipelines

A comprehensive guide to implementing retry logic, dead letter queues, idempotency, and alerting for resilient ETL systems.

Migration October 2024

SQL Server to Snowflake: A Deep Dive

Step-by-step guide to migrating legacy data warehouses to Snowflake, including schema conversion, data validation, and performance tuning.

Python September 2024

Python Utilities Every Data Engineer Needs

Essential Python tools and patterns for file processing, data validation, logging, and automation in data engineering workflows.

SQL August 2024

Advanced SQL Patterns for Data Engineers

Window functions, CTEs, recursive queries, and optimization techniques that every data engineer should master.

Data Quality July 2024

Implementing Data Quality at Scale

Building comprehensive data quality frameworks with automated testing, monitoring dashboards, and alerting systems.