mayank.sbs

Experience

Sayzo

Sayzo

Feb 2026 – Present

Full Stack Developer

  • Architecting frontend components and backend integrations for a hyperlocal task marketplace.
  • Building full-stack features with Next.js and Node.js focused on performance and scalability.
  • Maintaining system stability and security across production infrastructure.
BuitX

BuitX

Dec 2025 – Feb 2026

Lead Developer

  • Led end-to-end development of client web applications from requirement gathering to deployment.
  • Built responsive interfaces with Next.js + Tailwind and backend logic with Node.js + Express.
  • Integrated JWT authentication and managed MongoDB/PostgreSQL database systems.
  • Managed deployment workflows using Git, GitHub, and AWS.
ALIGN

ALIGN

Sep 2025 – Nov 2025

Frontend Developer

  • Improved page load performance by 25% for core interfaces.
  • Converted Figma inputs into production-ready React components.
  • Coordinated with backend teams to clarify schema requirements.

Projects

Around-U

Hyperlocal service marketplace connecting users with verified nearby providers via pincode search. Built full-stack — from auth and listing APIs to a responsive map-based discovery UI.

Next.jsTypeScriptNode.jsExpressMongoDB

Kharcha

Full-stack personal finance app with expense tracking, budget management, and AI-powered insights via Claude. Features role-based access, dark mode, CSV export, and a responsive dashboard with charts.

Next.jsTypeScriptTailwindShadcn UIZustandPostgreSQL

Life OS

Full-stack habit tracking system with JWT auth, daily check-ins, and Google social login via Firebase. Clean REST API backend with role-protected routes and persistent session handling.

ReactNode.jsExpressMongoDB

CodeGuard

Git-native AI PR reviewer built on the GitAgent standard. Every rule is a version-controlled file — fork it, edit SOUL.md and skills/, and diff the reviewer's behavior like any codebase.

TypeScriptNode.jsGit

Writing

Understanding MVC Architecture — The Easiest Explanation You Will Ever Read

If you've ever opened a coding textbook and felt confused by words like Model, View, and...

Dec 12, 2025•5 min read
Understanding MVC Architecture — The Easiest Explanation You Will Ever Read

Why did Facebook engineers create React?

Back in the early 2010s, Facebook engineers faced a huge challenge...

Dec 10, 2025•3 min read
Why did Facebook engineers create React?

Why REACT Is The Best?

History of React? React is a JavaScript library for building the...

Dec 08, 2025•4 min read
Why REACT Is The Best?

Now

BuildingSayzo — hyperlocal task marketplace
ReadingBuild Don't Talk — Raj Shamani
LearningSystem design & distributed systems

About

Me

Mayank Saini

Mayank Saini

I'm a Full Stack Developer and CS & AI student at IIT Patna. I specialize in building fast, production-ready web apps with React, Next.js, and TypeScript, backed by scalable Node.js APIs. Passionate about creating things that solve real-world problems and shipping them.

Skills

GitHub Achievements

Pair Extraordinairex3
YOLO
Pull Sharkx2

Education

IIT Patna2025 – 2028

B.S. in Computer Science & Artificial Intelligence

GitHub Activity

 

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