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Sahil Patel

I'm a full-stack engineer who builds systems that need to work reliably. Currently at Cold Chain Science, where I own our core platform end-to-end.

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Latest Articles

Recent thoughts on infrastructure, distributed systems, and software engineering

Dec 20, 2025·6 min

How Headless Chrome Almost Took Down Our Production

It is not what you are thinking… Around 3 AM on a Saturday, my phone started buzzing with alert notifications. Our metrics cron job was failing & couldn't push data to Observability DB. This is a legacy script that runs every 5 minutes, greps through...

Dec 12, 2025·5 min

When 4G Falls Back to 3G and Everything Breaks

TL;DR A dozen IoT edge devices went offline simultaneously in Montreal. The culprit? A 4G network outage forced devices to fall back to 3G on a roaming carrier, but that carrier's 3G infrastructure was having issues routing traffic. Devices showed "c...

Nov 29, 2025·6 min

Building Saaz: My Personal Music System

I've been very fond of music since I was a kid. I loved Bollywood music so much while growing up. Back in the day, you had cassettes and DVDs that you could keep songs on or give to your friends by burning them a new one. But nowadays, it's become ve...

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