Harsh Kathiriya

Engineering the AI future, one day at a time.

Latest

Data Engineering

Stop cleaning data before you save it.

Harsh Kathiriya

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Feb 5, 2026

Data Engineering

Why you shouldn't use Postgres for analytics

Harsh Kathiriya

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Feb 3, 2026

Data Engineering

How to extract data without crashing production

Harsh Kathiriya

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Feb 2, 2026

Data Engineering

Stop learning tools. Start learning systems.

Harsh Kathiriya

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Feb 1, 2026

Career & Mindset

Why we spent 4 hours discussing a button color

Harsh Kathiriya

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Jan 31, 2026

Failure Friday

Why deleted data reappeared on my server.

Harsh Kathiriya

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Jan 30, 2026

System Design

How to count to a billion with 12KB of RAM.

Harsh Kathiriya

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Jan 29, 2026

System Design

Why standard databases are slow at writing.

Harsh Kathiriya

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Jan 28, 2026

System Design

Stop checking the database

Harsh Kathiriya

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Jan 27, 2026

System Design

Why adding a server crashed my site

Harsh Kathiriya

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Jan 26, 2026

System Design

Why your cache just crashed your database.

Harsh Kathiriya

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Jan 25, 2026

Career & Mindset

Stop answering the wrong question.

Harsh Kathiriya

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Jan 24, 2026

Failure Friday

We accidentally leaked customer data

Harsh Kathiriya

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Jan 23, 2026

AI Engineering

Why your filters return zero results

Harsh Kathiriya

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Jan 22, 2026

AI Engineering

The "Swipe Right" problem in AI.

Harsh Kathiriya

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Jan 21, 2026

AI Engineering

Stop "vibe checking" your prompts

Harsh Kathiriya

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Jan 20, 2026

Software Engineering

Python is blocking you

Harsh Kathiriya

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Jan 19, 2026

System Design

The Justin Bieber problem

Harsh Kathiriya

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Jan 18, 2026

Career & Mindset

Stop building for your resume.

Harsh Kathiriya

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Jan 17, 2026

DevOps & Infrastructure

I took down the site for 48 hours.

Harsh Kathiriya

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Jan 16, 2026

AI Engineering

The 1 million token lie.

Harsh Kathiriya

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Jan 15, 2026

AI Engineering

Run GPT-4 class AI on your laptop.

Harsh Kathiriya

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Jan 14, 2026

AI Engineering

You don't need a Ferrari to buy groceries.

Harsh Kathiriya

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Jan 13, 2026

AI Engineering

The zero-dollar query

Harsh Kathiriya

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Jan 12, 2026

System Design

The art of doing nothing

Harsh Kathiriya

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Jan 11, 2026