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Maternity HL7-to-FHIR Pipeline: Bridging Legacy Hospital Messages to Modern Healthcare APIs

Maternity HL7-to-FHIR Pipeline: Bridging Legacy Hospital Messages to Modern Healthcare APIs

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12 min read
# Why Breaking Things Apart Eventually Brings Them Together: Modulazition in ETL

# Why Breaking Things Apart Eventually Brings Them Together: Modulazition in ETL

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4 min read
Common Mistakes New Data Engineers Make (And How to Avoid Them)

Common Mistakes New Data Engineers Make (And How to Avoid Them)

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3 min read
Day 21 : Time-Series Data in ClickHouse®

Day 21 : Time-Series Data in ClickHouse®

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2 min read
Top 12 Spark Interview Problems for Data Engineers, With Answers

Top 12 Spark Interview Problems for Data Engineers, With Answers

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10 min read
I Built a Mini Message Broker in Pure Python and Finally Understood How Kafka Moves Millions of Events

I Built a Mini Message Broker in Pure Python and Finally Understood How Kafka Moves Millions of Events

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6 min read
Pytest - Writing Cleaner Tests with Parametrization and Temporary Files

Pytest - Writing Cleaner Tests with Parametrization and Temporary Files

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4 min read
Creating HIPAA-Safe Synthetic Patient Data for Healthcare App Testing

Creating HIPAA-Safe Synthetic Patient Data for Healthcare App Testing

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4 min read
Day 19 of 100 Days of ClickHouse®: Managing Users and Roles with RBAC

Day 19 of 100 Days of ClickHouse®: Managing Users and Roles with RBAC

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4 min read
Apache Data Lakehouse Weekly: July 11 to July 18, 2026

Apache Data Lakehouse Weekly: July 11 to July 18, 2026

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25 min read
Building Confidence Scoring for Email Open Tracking (Engineering Notes)

Building Confidence Scoring for Email Open Tracking (Engineering Notes)

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2 min read
Leoflow v0.1.0 — run your Airflow DAGs on a Go control plane (no Airflow in the hot path)

Leoflow v0.1.0 — run your Airflow DAGs on a Go control plane (no Airflow in the hot path)

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6 min read
I Built a B-Tree in Pure Python and Finally Understood Why Postgres Uses It for Every Index

I Built a B-Tree in Pure Python and Finally Understood Why Postgres Uses It for Every Index

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6 min read
Deterministic Data Engineering With AI Harnesses: Using Claude Code, Codex, Antigravity, and OpenCode for Data Work You Can Actually Trust

Deterministic Data Engineering With AI Harnesses: Using Claude Code, Codex, Antigravity, and OpenCode for Data Work You Can Actually Trust

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19 min read
The Data Engineer Roadmap for 2026 (in an AI-Native World)

The Data Engineer Roadmap for 2026 (in an AI-Native World)

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7 min read
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