I will build secure rest apis with nodejs, nestjs, mongodb, sql db

M
mofasserhossain
M
mofasserhossain
Mofasser
build secure rest apis with nodejs, nestjs, mongodb, sql db
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build secure rest apis with nodejs, nestjs, mongodb, sql db
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build secure rest apis with nodejs, nestjs, mongodb, sql dbbuild secure rest apis with nodejs, nestjs, mongodb, sql dbbuild secure rest apis with nodejs, nestjs, mongodb, sql db

About this gig

Need scalable and secure REST APIs for your app? I'll build fast, reliable backend APIs using Node.js, NestJS, MongoDB, or SQL.


I have 5+ years of experience building production-grade APIs for mobile and web apps.


What I Offer:

  • API development with Node.js, Express.js, or NestJS
  • REST API, GraphQL, or TRPC
  • AI Integration (OpenAI, Gemmi)
  • MongoDB / MySQL / PostgreSQL integration
  • JWT / OAuth authentication
  • Schema validation (Mongoose, Prisma, TypeORM)
  • Error handling & logging
  • 3rd-party API integration
  • API documentation
  • Bug fixing and post-delivery support


Why Choose Me:

  • Clean, scalable code
  • Fast delivery
  • Security-focused
  • Real-world experience
  • Clear communication


Let's discuss your backend needs. Contact me to get started!

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Programming language

    • JavaScript

  • Frontend framework

    • React.js
    • jQuery
    • Bootstrap
    • Tailwind CSS
    • Other

  • Backend framework

    • Django
    • Express.js
    • Node.js
    • Other

Get to know Mofasser

Mofasser

Full Stack Developer ReactJS,NestJS,NodeJS,NextJS,React Native

5.0(11)
  • FromBangladesh
  • Member sinceOct 2020
  • Last delivery4 years

  • Languages

    Bengali, English, Hindi
I am a full-stack software developer with 5 plus years of experience building production web, SaaS, and mobile apps. I specialize in React, Next.js, TypeScript, Node.js, NestJS, PostgreSQL, MongoDB, React Native, Firebase, Supabase, AWS, Vercel, Stripe, and API integrations. I build frontend UI, backend APIs, dashboards, admin panels, databases, auth, real-time features, deployments, bug fixes, and performance improvements with clean, maintainable code.

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