I will develop scalable backend with nodejs or nestjs


Level 2
About this gig
Looking for a scalable backend for your web or mobile app? I'm a backend developer specializing in building fast, secure REST APIs using Node.js, Express.js, and NestJS, backed by MongoDB or PostgreSQL.
What I deliver:
- RESTful API development & clean documentation
- JWT authentication & role-based access control
- Scalable database design (MongoDB/PostgreSQL)
- Third-party API integrations (payment, email, etc.)
- Real-time features with Socket.io
- Clean, well-structured, production-ready code
Why work with me:
- Solid backend architecture & industry best practices.
- Clear communication & on-time delivery.
- Fully tested code with post-delivery support.
Whether you need a simple API for a startup MVP or a scalable backend system for a growing product, I can help turn your idea into a reliable, production-ready solution.
Message me before ordering so we can discuss your project scope and find the right package for you.
Get to know Mahamodul Moon
Full Stack Developer , Nextjs , NodeJS Devops Expert
Level 2
- FromBangladesh
- Member sinceFeb 2025
- Avg. response time1 hour
- Last deliveryabout 22 hours
Languages
Bengali, English
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Other Software Development Services I Offer
FAQ
What technologies do you use for backend development?
I specialize in Node.js, NestJS, Express.js, TypeScript, MongoDB, and PostgreSQL to build secure, scalable, and high-performance backend solutions.
Can you integrate third-party APIs?
Yes! I can integrate any RESTful or GraphQL APIs, payment gateways like Stripe/PayPal, authentication services like Google OAuth, and more.
Will my backend be secure?
Absolutely. I follow best security practices including JWT authentication, password hashing, and input validation to protect your data and users.
Do you provide database design and optimization?
Yes, I design relational and non-relational databases, optimize queries, and ensure data consistency and scalability.
Can you handle real-time applications?
Yes, I can implement WebSocket or Socket.IO features for real-time messaging, notifications, and live updates.
Do you provide documentation for the backend?
Yes, I provide clear API documentation and setup instructions so you can easily integrate the backend with your frontend.
What if I need maintenance or updates later?
I offer ongoing support and maintenance services to keep your backend up-to-date, secure, and running smoothly.
Do you offer custom backend solutions?
Yes! Every project is customized to meet your business needs, whether it’s a simple API or a complex enterprise system.
How do you handle my data?
I treat all client data with the highest confidentiality. Your files and personal information are used only for the purpose of completing your order and are never shared with third parties without your explicit permission.
What if there’s a security concern?
I have a strict protocol for handling any security issues, including immediate containment, assessment, and corrective measures to ensure your data remains protected.
2 reviews for this Gig
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Rating Breakdown
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R rachelberkey412
Repeat Client

United States
Thank you so much!
Up to $50
Price
1 day
Duration
Helpful?A 
azam_acc

United Kingdom
Absolutely fantastic service!
Up to $50
Price
1 day
Duration
M 
Seller's Response
Helpful?
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
R rachelberkey412
Repeat Client

United States
Thank you so much!
Up to $50
Price
1 day
Duration
Helpful?A 
azam_acc

United Kingdom
Absolutely fantastic service!
Up to $50
Price
1 day
Duration
M 
Seller's Response
Helpful?

