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From Clean CSVs to Production‑Shaped Data: A Practical Guide for Academic ML and Data Engineering

From Clean CSVs to Production‑Shaped Data: A Practical Guide for Academic ML and Data Engineering

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5 min read
Data Engineering: The Data Field's Unknown Child

Data Engineering: The Data Field's Unknown Child

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4 min read
I Built a Write-Ahead Log in Pure Python and Finally Understood How Databases Survive Crashes

I Built a Write-Ahead Log in Pure Python and Finally Understood How Databases Survive Crashes

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7 min read
Architecture Over Alerts: How We Cut BigQuery Costs by 57%($12M) for a Fortune 500

Architecture Over Alerts: How We Cut BigQuery Costs by 57%($12M) for a Fortune 500

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4 min read
I Built a Columnar File Format in Pure Python — a tiny, readable Parquet

I Built a Columnar File Format in Pure Python — a tiny, readable Parquet

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6 min read
Running Apache Airflow + Docker for Free Using GitHub Codespaces

Running Apache Airflow + Docker for Free Using GitHub Codespaces

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1 min read
Federation and the Lakehouse: Two Roads to Unified Data Access, and How to Know Which One to Take

Federation and the Lakehouse: Two Roads to Unified Data Access, and How to Know Which One to Take

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21 min read
Block vs. Object Storage: A Deep Dive Into the Foundation of Modern Data, and How the Lakehouse Made the Slow Option Fast

Block vs. Object Storage: A Deep Dive Into the Foundation of Modern Data, and How the Lakehouse Made the Slow Option Fast

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22 min read
The Who, What, and Why of Semantic Layers: The Layer That Decides Whether Your Numbers Can Be Trusted

The Who, What, and Why of Semantic Layers: The Layer That Decides Whether Your Numbers Can Be Trusted

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22 min read
ETL Pipeline: Fetching Real-Time News Data with Python and Postgres

ETL Pipeline: Fetching Real-Time News Data with Python and Postgres

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4 min read
I built a mini columnar storage engine in pure Python — and finally understood why Parquet is so fast

I built a mini columnar storage engine in pure Python — and finally understood why Parquet is so fast

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6 min read
Hitting the Iceberg REST Catalog Directly: Understanding the Differences Between Glue Data Catalog and S3 Tables

Hitting the Iceberg REST Catalog Directly: Understanding the Differences Between Glue Data Catalog and S3 Tables

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17 min read
Why I Don’t Let the LLM Decide Issue State

Why I Don’t Let the LLM Decide Issue State

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5 min read
The customer_id that isn't a customer

The customer_id that isn't a customer

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8 min read
Your Scraper Collected 50 Rows. There Were 4,000.

Your Scraper Collected 50 Rows. There Were 4,000.

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7 min read
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