MERN · Next.js Specialist
Practical write-ups on building multi-admin e-commerce platforms, signed Cloudinary media pipelines, bilingual Unicode applications, and secure Next.js API routes.
A practical engineering breakdown of server-verified order pricing, role-based access control, and schema design for a production Next.js and MongoDB commerce platform.
How to upload high-resolution project screenshots and 100 MB walkthrough videos directly from the browser to Cloudinary using server-issued SHA-1 signatures.
Lessons learned building a dual-language (বাংলা & English) typing benchmark in React and Next.js without Unicode splitting bugs or keystroke lag.
Why in-memory rate limiters fail on serverless deployments and how to combine Upstash Redis, HTTP-only cookies, and origin verification in Next.js API routes.