@utkarshkrsingh

Utkarsh Kumar Singh

@utkarshkrsinghIndiaJoined August 2026

My compiler and I have a love-hate relationship. It mostly involves coffee.

About

I am a fresher who just graduated in Electronics and Computer Science from KIIT. My interest lies in Distributed Systems and Go development.

Available for

Nothing here yet.

Utkarsh Kumar Singh's blogs

Utkarsh's Engineering Journalutkarshkrsingh.hashnode.dev2 posts

One Window, N Requests: Building a Rate Limiter from Scratch in Go

Originally published on utkarshkrsingh.com Why Does a Rate Limiter Exist? Suppose you build a REST API for some business purpose and deploy it. Suddenly, one morning, you see that your server has cra

3Oct 7 · 7 min readutkarshkrsingh.hashnode.dev

Functional Interfaces in Java: It's Not Just About One Method

Originally published on utkarshkrsingh.com When we first learn about functional interfaces in Java, the definition seems pretty simple: A functional interface is an interface that contains exactly o

Sep 21 · 3 min readutkarshkrsingh.hashnode.dev

Utkarsh Kumar Singh

About

Available for

Utkarsh Kumar Singh's blogs

One Window, N Requests: Building a Rate Limiter from Scratch in Go

Functional Interfaces in Java: It's Not Just About One Method

Search Hashnode

Utkarsh Kumar Singh

About

Available for

Utkarsh Kumar Singh's blogs

One Window, N Requests: Building a Rate Limiter from Scratch in Go

Functional Interfaces in Java: It's Not Just About One Method