@binaykumardas

Binay Kumar Das

@binaykumardasBangalore, IndiaJoined June 2026

An implementation of good idea can change lots of things

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Binay Kumar Das's blogs

binaykumardasfindcoffeemate.hashnode.dev6 posts

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BKBinay Kumar Dasfindcoffeemate.hashnode.dev7h ago · 3 min read

Building FindCoffeeMate Taught Me More About Product Engineering Than Any Course

When I started my career, I thought being a good engineer meant one thing: Build the feature correctly. If the API worked, the UI matched the design, and the tests passed, I considered the job done. B

BKBinay Kumar Dasfindcoffeemate.hashnode.dev5d ago · 4 min read

The Frontend Interview Question That Made Me Rethink Performance Engineering

A few weeks ago, I was interviewing for a Product Frontend role, and I got a question that I thought I had prepared for. The interviewer asked: "Users are complaining that your page takes 4–5 seconds

BKBinay Kumar Dasfindcoffeemate.hashnode.devJun 25 · 7 min read

The Connect Button That Wasn't Simple: Building User Relationships in FindCoffeeMate

When I started building the User Connection system for FindCoffeeMate, I thought it would be one of those "easy" features. After all, it's just a button on a profile page. A user visits another user's

BKBinay Kumar Dasfindcoffeemate.hashnode.devJun 19 · 4 min read

How I Fixed a Bug That Made Every Chat Message Appear Twice

I’ve been working on a real-time messaging feature for FindCoffeeMate, the app I’m building to help developers connect over coffee and collaborate on ideas. As both the product owner and the engineer

BKBinay Kumar Dasfindcoffeemate.hashnode.devJun 17 · 3 min read

The Infinite API Loop That Almost Crashed My Browser

2month back i was working on an infinite scroll feature and thought I'd be done in an hour. The requirement was simple: when the user reaches the bottom of the page, fetch the next set of records. I'v

Binay Kumar Das

About

Available for

Binay Kumar Das's blogs

Recently published

Building FindCoffeeMate Taught Me More About Product Engineering Than Any Course

The Frontend Interview Question That Made Me Rethink Performance Engineering

The Connect Button That Wasn't Simple: Building User Relationships in FindCoffeeMate

How I Fixed a Bug That Made Every Chat Message Appear Twice

The Infinite API Loop That Almost Crashed My Browser

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Binay Kumar Das

About

Available for

Binay Kumar Das's blogs

Recently published

Building FindCoffeeMate Taught Me More About Product Engineering Than Any Course

The Frontend Interview Question That Made Me Rethink Performance Engineering

The Connect Button That Wasn't Simple: Building User Relationships in FindCoffeeMate

How I Fixed a Bug That Made Every Chat Message Appear Twice

The Infinite API Loop That Almost Crashed My Browser