Biraj Karki

@birajkarki

Website

developer

NepalJoined October 2022

About

I am Self-taught developer. Currently learning and working in MERN stack and ML/AI.

Available for

I am available for open-source contributions and startup projects.

Biraj Karki's blogs

Biraj Karki's blogbirajkarki.hashnode.dev13 posts

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Recently published

BKBiraj Karkibirajkarki.hashnode.devJul 4, 2025 · 6 min read

How Big Tech Checks Your Username in Milliseconds ⚡: The Definitive Guide to Scalable System Design

When you type a username during app signup and instantly see “This username is already taken,” you’re witnessing a marvel of modern engineering. Tech giants like Google, Amazon, Meta, and Twitter handle billions of users, processing millions of queri...

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BKBiraj Karkibirajkarki.hashnode.devMay 22, 2025 · 9 min read

Understanding Nginx: The Event-Driven Powerhouse Behind Scalable Web Servers

Nginx: The Event-Driven Powerhouse for Scalable Web Performance Nginx (pronounced "Engine-X") is the silent force powering some of the world's busiest websites, from streaming giants like Netflix to e-commerce platforms like Amazon. Its ability to ha...

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BKBiraj Karkibirajkarki.hashnode.devMay 3, 2023 · 11 min read

11 Key Data Structures We Use Every Day

Data structures are the building blocks of modern programming and play a crucial role in organizing and manipulating data. From simple arrays to complex graphs, they enable software developers to efficiently access and process information, making the...

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BKBiraj Karkibirajkarki.hashnode.devApr 22, 2023 · 7 min read

Comparing Leadership Styles: Transformational, Servant, Autocratic, Democratic, and Laissez-Faire

Leadership is a crucial aspect of any organization, and there are several leadership styles available for leaders to adopt. The most common leadership styles include transformational, servant, autocratic, democratic, and laissez-faire. Each leadershi...

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BKBiraj Karkibirajkarki.hashnode.devApr 20, 2023 · 6 min read

Decoding SSL, TLS, and HTTPS: A Comprehensive Explanation

In today's digital world, security is a critical concern for websites and online businesses. With cyber threats on the rise, it's essential to understand the technologies that protect sensitive information transmitted over the internet. Three commonl...

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Biraj Karki

About

Available for

Biraj Karki's blogs

Recently published

How Big Tech Checks Your Username in Milliseconds ⚡: The Definitive Guide to Scalable System Design

Understanding Nginx: The Event-Driven Powerhouse Behind Scalable Web Servers

11 Key Data Structures We Use Every Day

Comparing Leadership Styles: Transformational, Servant, Autocratic, Democratic, and Laissez-Faire

Decoding SSL, TLS, and HTTPS: A Comprehensive Explanation

Search Hashnode

Biraj Karki

About

Available for

Biraj Karki's blogs

Recently published

How Big Tech Checks Your Username in Milliseconds ⚡: The Definitive Guide to Scalable System Design

Understanding Nginx: The Event-Driven Powerhouse Behind Scalable Web Servers

11 Key Data Structures We Use Every Day

Comparing Leadership Styles: Transformational, Servant, Autocratic, Democratic, and Laissez-Faire

Decoding SSL, TLS, and HTTPS: A Comprehensive Explanation