Hasnain Jaffer

Full Stack Developer specializing in the MERN Stack. I build scalable, high-performance web applications using React, Node.js, MongoDB, and modern cloud deployment.

Joined on Jul 13, 2026 https://hasnain-jaffer-portfolio.vercel.app/

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Full Stack Developer

Hasnain Jaffer

Jul 18

Moving Beyond the MERN Stack: My Roadmap to Modern Backend Engineering

#webdev #backend #fullstack #python

2 min read

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Hasnain Jaffer

Jul 13

CORS + Auth Worked Perfectly Locally, Then Broke the Moment I Deployed (Here's Why)

#webdev #node #react #javascript

2 min read

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Hasnain Jaffer

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Moving Beyond the MERN Stack: My Roadmap to Modern Backend Engineering

Want to connect with Hasnain Jaffer?

CORS + Auth Worked Perfectly Locally, Then Broke the Moment I Deployed (Here's Why)