MD. NAZMUL ISLAM

Backend and API Development

I build the engine behind your product: secure REST APIs, authentication, payment processing, and well designed databases that keep your data safe and your app fast.

Using Node.js and NestJS with PostgreSQL or MongoDB, I deliver backends with proper validation, error handling, and documentation, ready to power your web and mobile apps.

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What's Included

  • REST API design and development
  • Authentication and authorization (JWT, OAuth)
  • Payment integration (Stripe)
  • Database design (PostgreSQL, MongoDB)
  • Third party API and cloud integrations

What You Get

  • A documented REST API
  • Secure auth with JWT and OAuth 2.0
  • Payment processing with Stripe Connect
  • A well structured database schema
  • Cloud deployment and monitoring

Tools & Tech

Node.jsNestJSExpress.jsPostgreSQLMongoDBPrismaAWS S3

Frequently Asked Questions

Yes. I can build a new backend or extend an existing one, and connect it to your web or mobile front end.

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Ready to get started?

Tell me about your project and I'll reply with a clear plan, timeline, and a fair quote.

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