Senior Backend / Full-Stack Engineer
Building scalable SaaS platforms, real-time systems, and production-grade APIs.

📍 India | 🌍 Working with US & UK clients
📧 ateesh2002@gmail.com
🔗 LinkedIn · GitHub

I’m a full-stack software engineer with 2.5+ years of experience, specializing in backend systems, scalable architectures, and real-time applications. I’ve helped startups take products from 0 → 1, focusing on clean API design, performance, and long-term maintainability.

While I’m comfortable across the stack, my strongest impact comes from backend engineering and system design.

Backend: Node.js, Express.js, REST APIs, WebSockets
Frontend: React.js, Next.js, TypeScript
Databases: MongoDB, PostgreSQL, MySQL
Real-Time & Cloud: Firebase, Socket.io, FCM
Testing: Jest, Vitest, Playwright, Selenium
Tools: Git, GitHub, Postman, Docker (basic), Linux

US & UK Startup Clients

• Built scalable backend services using Node.js and MongoDB
• Designed and optimized REST APIs for performance and reliability
• Implemented real-time features using WebSockets and Firebase
• Wrote unit and integration tests to improve system stability
• Worked with remote, cross-timezone teams using Agile workflows

Tech: React.js, Node.js, MongoDB, Firebase, Socket.io, FCM
🔗 GitHub: Backend Repo | Frontend Repo

Key Highlights

• Jira-like task tracking system for students
• Real-time notifications and live updates
• Role-based access for students and instructors
• Scalable SaaS-ready backend architecture

• Backend development for SaaS platforms
• API design & system architecture
• Real-time applications and integrations
• Performance optimization & scalability
• Long-term startup engineering support

I’m open to:

• Remote full-time roles
• Long-term freelance contracts
• Backend-focused startup collaborations

📩 Email: ateesh2002@gmail.com
💬 LinkedIn: https://www.linkedin.com/in/ateeshkumar
💻 GitHub: https://github.com/ateeshkumar

⭐ If you like my work, feel free to star my repositories!