Hi 👋, I'm Swastik Kumar

Building payment systems and real-time applications. Currently exploring distributed systems.

• Currently building DRAWN

• Currently exploring

  • Redis Internals
  • WebRTC Networking
  • Distributed Systems
  • Observability

• Engineering articles, and deep dives @Portfolio

• Reach me at contactswask@gmail.com

• Know about my experiences Resume

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🎨 DRAWN - Flagship Project

A multiplayer drawing platform exploring browser rendering, real-time synchronization and peer-to-peer communication.

Engineering Highlights

• Server-authoritative game synchronization
• WebRTC peer-to-peer voice & video
• Canvas rendering engine
• Zero-asset audio generation
• Responsive rendering using normalized coordinates

Links

• 📦 Repository: https://github.com/012SwastikKumar/drawn

• 🌍 Live Demo: https://drawn.onrender.com

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📝 Engineering Writing

Most of my production work is in private repositories, so I document the engineering decisions, failures and lessons learned through technical writing.

Recent topics include:

• Redis Learning Notes
• Caching

📚 Read all articles: here

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🛠 Engineering Toolbox

Languages JavaScript TypeScript Python C++ Java

Frontend React Next.js Redux Tailwind AntD, MUI HTML, CSS

Backend Node.js Express.js REST APIs WebSockets JWT Serverless

Databases PostgreSQL Redis BigQuery MySQL MongoDB IndexedDB

Infrastructure AWS EC2 AWS Lambda AWS S3 AWS SQS Nginx Docker, Kubernetes

Tooling Git GitHub Postman HyperDX PM2 VS Code

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💻 Competitive Programming

Solved 1000+ problems across competitive programming platforms.

• LeetCode
• HackerRank
• GeeksforGeeks
• Codeforces
• CodeChef

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📈 GitHub Statistics