• 💼 Full Stack Developer with 3+ years experience building real-time mobility & data platforms
• ⚙️ Specialized in scalable backend systems, socket communication, and performance optimization
• 🌍 Currently working on large-scale mobility systems handling 50K+ daily trip events
• 📈 Strong focus on reliability, low latency, and cost optimization
• 🤖 Currently exploring AI/ML deployment & data pipeline engineering

• Node.js
• Express.js
• MongoDB
• Redis
• Socket.IO
• JWT Authentication
• H3 Geospatial Indexing

• React.js
• Material UI
• Tailwind CSS
• Responsive UI Design

• AWS
• GCP
• CI/CD Pipelines
• Load Testing
• Docker (Basic)
• Vercel / Netlify Deployments

A production-grade backend powering rider and driver applications supporting real-time trip lifecycle and location tracking.

✔ Handles 50K+ daily trip events
✔ Supports 10K+ concurrent socket connections
✔ Reduced location update latency by 30%
✔ Improved backend throughput by 25%
✔ Reduced authentication cost by 35%

• Real-time trip management backend
• Room-based socket communication
• Redis + H3 optimized geospatial queries
• Driver reward gamification engine

• Field data collection web app
• Mobile friendly UI for ride demand logging
• Secure JWT authentication with role-based access
• Optimized field submission workflows

• 📧 Email: durgeshrajak254@gmail.com
• 💼 LinkedIn: https://www.linkedin.com/in/durgesh-rajak-4222b11a9/