@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.dev11 posts

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BKBinay Kumar Dasfindcoffeemate.hashnode.devSep 7 · 2 min read

The Code Review Question I Didn’t Expect in a Frontend Interview

In a recent frontend interview, I was expecting the usual questions. React.JavaScript.Performance.Maybe some system design. Instead, the interviewer gave me a small piece of code and asked: “What wou

BKBinay Kumar Dasfindcoffeemate.hashnode.devSep 1 · 8 min read

Preparing for a Product Company Interview? Don’t Prepare Only for the Coding Round.

When preparing for a software engineering interview, it’s easy to spend most of your time solving coding problems. Arrays. Strings. Promises. Closures. Data structures. Algorithms. These are important

BKBinay Kumar Dasfindcoffeemate.hashnode.devAug 21 · 3 min read

The Feature Had Zero Bugs. We Removed It Anyway

A few week ago, I am building a feature for my Product FindCoffeeMate. It was called “Recently Active Developers.” The idea sounded great. When users landed on the homepage, they’d immediately see dev

BKBinay Kumar Dasfindcoffeemate.hashnode.devAug 18 · 4 min read

A Frontend Can Handle 10,000 Users and Still Fail at 1 Million

A frontend can work perfectly with 10,000 users and completely fall apart at 1 million. The problem usually isn’t React. It’s the decisions we make around it. I’ve seen this happen with dashboards and

BKBinay Kumar Dasfindcoffeemate.hashnode.devJul 14 · 5 min read

I Thought Email Verification Was Just Sending an OTP. Building It Changed My Mind.

A few weeks ago, I added "Email Verification" to the FindCoffeeMate 2.0 backlog. It was sitting there between "fix the profile photo cropper" and "add dark mode." I remember looking at it and thinking

Binay Kumar Das

About

Available for

Binay Kumar Das's blogs

Recently published

The Code Review Question I Didn’t Expect in a Frontend Interview

Preparing for a Product Company Interview? Don’t Prepare Only for the Coding Round.

The Feature Had Zero Bugs. We Removed It Anyway

A Frontend Can Handle 10,000 Users and Still Fail at 1 Million

I Thought Email Verification Was Just Sending an OTP. Building It Changed My Mind.

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Binay Kumar Das

About

Available for

Binay Kumar Das's blogs

Recently published

The Code Review Question I Didn’t Expect in a Frontend Interview

Preparing for a Product Company Interview? Don’t Prepare Only for the Coding Round.

The Feature Had Zero Bugs. We Removed It Anyway

A Frontend Can Handle 10,000 Users and Still Fail at 1 Million

I Thought Email Verification Was Just Sending an OTP. Building It Changed My Mind.