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SHAWON0c/README.md

Hi 👋, I'm Shawon

Full-Stack Developer | System Designer | DevOps Expert


📬 Contact Me

LinkedIn Facebook Dev.to Email


🧑‍💻 About Me

  • 🔭 Currently working at Spark Tech Agency as a Full-Stack Developer
  • 🚀 Passionate about real-time systems, modular architecture, and DevOps automation
  • 🧠 Exploring deeper in system design, scalability, and performance driven architecture
  • 🔌 Skilled in seamless third-party service integrations, ensuring reliability and smooth interoperability
  • 🛡️ Committed to writing secure code with a strong focus on best practices in authentication, authorization, and data protection
  • 👨‍💻 Love contributing to open-source and building tools that solve real-world problems

🚀 Tech Stack

🛠️ Core Technologies

⚡ Real-Time Infrastructure

☁️ DevOps & Cloud

🧪 Testing & Tools


🧩 Frontend Frameworks & Libraries


🧱 System Design & Architecture

  • Designed high-performance Node.js APIs capable of handling thousands of concurrent connections
  • Implemented Redis caching and query optimization to reduce latency by 40%
  • Designed multi-environment CI/CD pipelines using GitHub Actions and Docker
  • Structured microservices with event-driven communication using Redis pub/sub
  • Experienced in load balancing, rate limiting, and zero-downtime deployment

📈 Career Highlights / Achievements

  • ⚙️ Built and deployed real-time video conferencing & chat systems for multiple SaaS platforms
  • 💰 Integrated Stripe & PayPal payment systems with custom wallet logic
  • 🔐 Developed JWT + OAuth2.0 authentication flows across multiple microservices
  • ☁️ Automated CI/CD pipelines and Dockerized backend services for production scaling
  • 🧠 Architected multi-tenant systems supporting user roles, isolation, and audit logging
  • ⚡ Improved API response times from 600ms → 180ms with Redis & Nginx tuning

🔥 GitHub Contribution Graph

Shawon's GitHub Activity Graph


📂 Featured Projects

Project Description Tech
🧠 Multiplayer Quiz Game App Real-time 1v1, friends, review mode quiz app with ELO rating system, leaderboard, history, friends, recovery & admin dashboard JavaScript, Node.js, Express, Mongoose, Socket.IO, JWT
🩺 Doctor Consulting System with appointment booking Video/audio consulting with wallet deduction, call tracking, and recordings TypeScript, Node.js, Express, Socket.IO, ZegoCloud, PayPal, JWT, Firebase
💸 Join-Up: Track-activity Mission Hunting System Volunteer management platform for non-profit organizations, community group with real time chatting, that streamlines event coordination and mission tracking TypeScript, Node.js Express, Mongoose, JWT, SocketIO, Stripe

✍️ Latest Blog Posts


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