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I will develop robust nestjs backend apis rest and graphql
Meraj
About this gig
Experienced NestJS developer here! I specialize in building scalable, maintainable, enterprise-grade Node.js backends using NestJS framework. Perfect for startups, SaaS platforms, or complex systems needing clean architecture.
Services as your Nest JS developer:
- RESTful APIs or GraphQL with TypeScript, Prisma/TypeORM, PostgreSQL/MongoDB.
- Microservices architecture, authentication (JWT, Passport, OAuth), authorization (RBAC, guards).
- Integration with frontend (Next.js/React, mobile), third-party APIs, WebSockets, queues (BullMQ/Redis), and cloud services (AWS, Docker).
- High-performance, secure, and well-documented code with Swagger/OpenAPI.
- Testing (unit/integration), error handling, logging, and deployment (Docker, Heroku, AWS, etc.).
- Refactoring legacy Node/Express code to modern NestJS.
Why work with me?
- Focus on clean, modular, testable code that scales.
- Quick iterations, detailed documentation, and post-delivery support.
- Proven track record turning ideas into reliable, production-ready backends.
Get to know Meraj
Meraj
- FromBangladesh
- Member sinceJul 2023
- Avg. response time1 hour
Languages
Bengali, English, Hindi
Hi, I'm Meraj (Mohammed Merajul Islam), a passionate Full Stack Developer from Dhaka, Bangladesh.
With 2+ years of hands-on experience, I specialize in building modern, scalable, and high-performance web applications using Next.js, NestJS, React, Node.js, and MongoDB.
I have strong expertise in real-time features (WebRTC + Socket.io), SEO optimization (SSR/SSG), secure authentication (JWT & Keycloak SSO), and Docker deployments.
I focus on clean architecture, pixel-perfect design, and delivering reliable solutions that help businesses grow.
Let’s turn your idea into a successful product! 🚀
My Portfolio
FAQ
What kind of APIs do you build with NestJS?
I specialize in scalable REST APIs and GraphQL APIs using TypeScript, complete with authentication, validation, and clean architecture.
Which databases and ORMs do you work with?
Prisma, TypeORM, Mongoose — with PostgreSQL, MongoDB, MySQL, or any other database you prefer.
Can you integrate with frontend (Next.js/React) or mobile apps?
Yes! I build seamless backends that integrate perfectly with Next.js, React, Flutter, or any frontend.
Do you handle authentication and security?
Absolutely — JWT, Passport, OAuth, role-based access control (RBAC), rate limiting, and best security practices.
Can you work on existing NestJS or Node.js projects?
Yes. I can refactor, fix bugs, add features, or migrate from Express.js to modern NestJS.
What about deployment and DevOps?
I handle Docker, AWS, Heroku, Vercel, DigitalOcean, CI/CD setup, and provide full deployment documentation.
Will I receive documentation and tests?
es — Swagger/OpenAPI docs, unit/integration tests where needed, and clear README files.
What if my project scope changes during development?
Flexible approach — we can adjust via milestones and clear communication. Message me before ordering for custom scoping.
Do you offer ongoing maintenance?
Yes, I provide post-delivery support and maintenance packages.
