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Fiverr Pro
English
$
USD
I will build backend architecture, apis, and cloud databases
Sumit Garai
About this gig
A fast and secure application requires a rock-solid backend. Whether you need a serverless cloud backend or a relational database architecture, I provide professional backend engineering services tailored to your application needs.
WHAT I DELIVER:
- Custom backend development using Node.js and Express
- Database setup, auto-initialization, and optimization (Firebase Firestore, Realtime Database, or MySQL)
- Secure authentication layers (JWT, Firebase Auth, Role-Based Access Control)
- Cloud Functions, serverless triggers, and scheduled background jobs
- Deployment configuration on Google Cloud Platform (GCP VMs), Firebase Hosting, or other cloud providers
- Comprehensive API documentation and clean Postman collections for testing
WHY CHOOSE ME:
- Proven experience handling complex database schemas, migrations, and secure token management.
- Built-in error handling, request logging, and optimization for high-concurrency environments.
Lets discuss your backend requirements. Send a message to outline your system needs before placing an order!
Get to know Sumit Garai
Sumit Garai
Mobile and Web Developer React Native Expo Nodejs Firebase
- FromIndia
- Member sinceAug 2026
- Avg. response time1 hour
Languages
Bengali, Hindi, English
I'm a Full-Stack Mobile & Web Developer with 7 years of professional experience building and maintaining production applications. I specialize in React Native, Expo, React Native Web, TypeScript, JavaScript, Node.js, Firebase, and GCP. My experience includes Firebase Cloud Functions, Firestore, Authentication, REST APIs, Docker, Android/Java, and Python. I can take your product from idea to production or help fix, improve, and maintain an existing application.
