Backend & distributed systems engineer

I build the invisible plumbing that powers modern applications.

7+ years designing resilient, high-throughput services, distributed architectures and the developer tools around them, mostly in Go. I write about what I learn along the way.

Write to hello@sagnikbhowmick.com

Projects

  1. WorkWatch

    A macOS utility that reads your attendance email from Apple Mail, calculates your remaining work hours, and automatically puts your Mac to sleep when the day is done.

  2. Referall

    A job referral platform built with Go, Redis, SQLite, gRPC, and Docker.

  3. pixelQR

    A QR code service with a single POST endpoint that takes text and returns a base64-encoded PNG in a JSON response.

All projects

Writing

  1. PostgreSQL Performance Tuning: From Slow Queries to Sub-Millisecond Responses

  2. Understanding Container Networking from the Ground Up

  3. Building CLI Tools in Go with Cobra

All writing

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