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English
$
USD
I will develop rest API, backend system and ai API integration with nodejs
Nazmul Huda
Level 1
1 order in queue
5.0
5.0
About this gig
Looking for a reliable backend developer to build or scale your application?
I will design and develop secure, scalable, and production-ready REST APIs using Node.js, Express, and MongoDB with support for AI integrations and third-party services.
What I can build for you:
- Custom REST APIs for web and mobile apps
- Backend systems for SaaS platforms
- AI API integration (OpenAI, Claude, etc.)
- Authentication systems (JWT, OAuth)
- Payment integrations (Stripe, PayPal)
- Clean and well-structured database design
- API documentation (Postman/Swagger)
Why Choose me:
- Clean, scalable and maintainable code
- Fast communication and reliable delivery
I focus on building backend systems that are secure, scalable and ready for production.
Send me a message before ordering so I can understand your requirements and suggest the best solution.
Thanks, For your time and consideration.
Regards
Nazmul Huda
Get to know Nazmul Huda
Nazmul Huda
AI Enabled Full Stack Engineer
Level 1
- FromBangladesh
- Member sinceJan 2021
- Avg. response time1 hour
- Last delivery1 week
Languages
English
I am a Full Stack Engineer specializing in scalable, production-grade SaaS platforms. My focus goes beyond traditional web development. I design systems with multi-tenancy, security, extensibility, and AI readiness. I approach every project as a long-term product, not just a feature implementation.
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Other Software Development Services I Offer
FAQ
What do you need to get started?
I need a clear description of your business requirements, including features, endpoints, and any third-party APIs you want to integrate. If you have documentation, wireframes, or examples, that's even better.
Can you integrate AI like OpenAI or other APIs?
Yes, I can integrate AI services like OpenAI, Claude, or any third-party API into your backend or application.
Do you provide API documentation?
Yes, I provide clean and professional API documentation using Postman or Swagger so you can easily understand and use the API.
Do you deploy the API to server?
Yes, I can deploy your API on VPS, AWS, or any cloud server using Docker, Nginx and SSL.
Do you provide support after delivery?
Yes, I provide support and can help with updates, fixes or improvements after delivery.
Can you build a complete backend system?
Yes, I can build a full backend including database, authentication, APIs, integrations, and deployment.
Reviews
47 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
V 
vladimir01rj
Brazil
Nazmul delivered Milestones 1 and 2 exactly as agreed. The Core API foundation and document processing pipeline (OCR, table extraction, multi-format support) all worked well on our end. He followed the acceptance criteria. Exceptional communication and professional approach. Recommended.
$400-$600
Price
2 weeks
Duration
P 
Seller's Response
Helpful?D dsimson
Repeat Client
United States
Great work as always. Highly recommend. Thanks!
$50-$100
Price
3 days
Duration
Helpful?D dsimson
Repeat Client
United States
Great work as always. Thanks for the successful project completion. Highly recommend.
$50-$100
Price
6 days
Duration
Helpful?D dsimson
Repeat Client
United States
Another successful project from Nazmul. Very good understanding of what we were looking for and he asked the right questions for clarifications before delivering product. We look forward to working again with him and we would highly recommend his services.
$100-$200
Price
3 days
Duration
Helpful?D dsimson
Repeat Client
United States
Nazmul was great as always. Took time to understand the project and very proactive in communication to get clarifications so as not to waste any time. Very polite and open to suggestions. We will continue to work with him. Highly recommend. Thanks again,
$100-$200
Price
2 days
Duration
Helpful?
Reviews
47 reviews for this Gig
| (47) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
V vladimir01rj
Brazil
Nazmul delivered Milestones 1 and 2 exactly as agreed. The Core API foundation and document processing pipeline (OCR, table extraction, multi-format support) all worked well on our end. He followed the acceptance criteria. Exceptional communication and professional approach. Recommended.
$400-$600
Price
2 weeks
Duration
P Seller's Response
Helpful?D dsimson
Repeat Client
United States
Great work as always. Highly recommend. Thanks!
$50-$100
Price
3 days
Duration
Helpful?D dsimson
Repeat Client
United States
Great work as always. Thanks for the successful project completion. Highly recommend.
$50-$100
Price
6 days
Duration
Helpful?D dsimson
Repeat Client
United States
Another successful project from Nazmul. Very good understanding of what we were looking for and he asked the right questions for clarifications before delivering product. We look forward to working again with him and we would highly recommend his services.
$100-$200
Price
3 days
Duration
Helpful?D dsimson
Repeat Client
United States
Nazmul was great as always. Took time to understand the project and very proactive in communication to get clarifications so as not to waste any time. Very polite and open to suggestions. We will continue to work with him. Highly recommend. Thanks again,
$100-$200
Price
2 days
Duration
Helpful?
