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@sajjadalidev

Sajjad Ali

@sajjadalidev

Software Engineer

Lahore, Punjab, PAKJoined January 2026

About

Nothing here yet.

Available for

New Opportunities as a Frontend Engineer

Sajjad Ali's blogs

Sessions vs JWT vs Cookies: Understanding Authentication Approachessessions-jwt-cookies-sajjadalidev.hashnode.dev2 posts

How Git Works: Inside the .git Folderhow-git-works-inside-the-git-folder.hashnode.dev1 post

Master Git: Basics & Core Commandsmaster-git-basics-and-core-commands.hashnode.dev1 post

DNS Record Types Explainedsajjadalidev.hashnode.dev1 post

Master Emmet: Write HTML Faster Nowsajjadalidev-lear-emmet-toolkit-to-write-code-faster.hashnode.dev1 post

About

Nothing here yet.

Available for

New Opportunities as a Frontend Engineer

Sajjad Ali's blogs

Sessions vs JWT vs Cookies: Understanding Authentication Approachessessions-jwt-cookies-sajjadalidev.hashnode.dev2 posts

How Git Works: Inside the .git Folderhow-git-works-inside-the-git-folder.hashnode.dev1 post

Master Git: Basics & Core Commandsmaster-git-basics-and-core-commands.hashnode.dev1 post

DNS Record Types Explainedsajjadalidev.hashnode.dev1 post

Master Emmet: Write HTML Faster Nowsajjadalidev-lear-emmet-toolkit-to-write-code-faster.hashnode.dev1 post

Articles Threads Comments

Recently published

SASajjad Aliinnodejs-handle-multiple-request.hashnode.dev

How Node.js Handles Multiple Requests with a Single Thread

Apr 28 · 3 min read · Node.js is famously efficient, but it often confuses newcomers: how can a language that only does one thing at a time handle thousands of simultaneous users? The secret isn't in doing everything at on

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SASajjad Aliinsessions-jwt-cookies-sajjadalidev.hashnode.dev

URL Parameters vs Query Strings in Express.js

Apr 28 · 4 min read · When building APIs with Express.js, you need structured ways to capture data sent by clients. URL parameters and query strings are the two fundamental methods for passing this data. While both send in

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SASajjad Aliinsessions-jwt-cookies-sajjadalidev.hashnode.dev

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

Apr 28 · 3 min read · Choosing the right authentication strategy is a cornerstone of modern web development. Whether you're building a simple blog or a high-traffic microservices architecture, understanding the trade-offs

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SASajjad Aliinasync-code-in-nodejs-sajjadalidev.hashnode.dev

Node.js Async: Callbacks to Promises

Apr 28 · 3 min read · Node.js is designed to be highly scalable, and its asynchronous nature is the foundation of that efficiency. Understanding how Node.js handles tasks allows you to write non-blocking code that performs

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SASajjad Aliinlinux-file-system-hunting-sajjadalidev.hashnode.dev

Linux File System Hunting

Apr 22 · 3 min read · A Beginner’s Guide to Hunting Through the Linux File System The Linux file system can feel like a labyrinth if you are coming from Windows or macOS. Instead of drive letters like C: or D:, everything

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