I build distributed backends and full stack features that prioritize reliability, performance, and cost. Experience spans real time collaboration, search and ranking, job orchestration, notifications, and rate limiting, built with clarity, safety, and growth in mind.

Category	Tools & Technologies
	System Design, DSA (DFS, BFS, Graph), Kubernetes

A complex learning management system used by 10,000+ students and generating 1 crore+ BDT revenue.

🔧 Key Contributions:

• Built the platform using Next.js + Node.js, handling thousands of daily active users.
• Integrated Stripe payments, SSO, and DRM-protected video streaming.
• Developed watch-time tracking, quiz modules, CV generator, and real-time notifications.
• Secured the app with JWT auth, RBAC, and MongoDB with encryption.

🧰 Tech Stack: Node.js, MongoDB, Cloudinary, Stripe, DRM, AWS S3, Next.js

A microservices-based video platform built to explore system design and scalable backend architecture.

🧩 Features:

• HLS streaming, chunked uploads, video transcoding with FFmpeg
• Queue-based processing with BullMQ + Redis
• S3-compatible object storage via MinIO
• Fully containerized via Docker

🧰 Tech Stack: Node.js, Express, TypeScript, FFmpeg, BullMQ, Redis, MinIO, Docker

Concurrency vs Parallelism Visual guide comparing task execution models with animations.	Node.js Event Loop Explained Deep dive into async flow, thread pool, and V8 phases.	JS Execution Context Visual explanation of how JS creates and manages context.
HTTP Caching in Node.js Practical guide to caching in Undici v7.0.0 with examples.	Getting Started with Prisma Learn Prisma ORM from setup to schema and queries.	Custom React Hooks Build real-world reusable hooks in React from scratch.

Contributed to improving an open-source resource for React patterns and anti-patterns. Helped report and diagnose a broken search UI for better developer experience.

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