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HARSHA REDDY

Turning raw data into
real-time intelligence

Principal Engineer building data platforms that process billions of events daily. I write about what works in production.

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How I Design Idempotent Data Pipelines
Data Engineering 9 min read

How I Design Idempotent Data Pipelines

Learn how to build an idempotent data pipeline using partition overwrites, deterministic hashing, and the Medallion framework to avoid duplicate data.