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$
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I will build scalable node js rest API with jwt authentication for saas and web apps
Zohaib Saeed
5.0
5.0
About this gig
Launching a SaaS or web app but need a secure backend that can actually scale?
I build production-ready Node.js REST APIs with JWT authentication, PostgreSQL/MongoDB, clean architecture, and scalable backend systems for startups, dashboards, SaaS platforms, and modern web apps.
What I Can Build:
Node.js REST APIs
JWT Authentication & Role Based Access
SaaS Backend Architecture
Admin Dashboard APIs
Express.js Backend Development
PostgreSQL & MongoDB Integration
Payment Gateway Integration
API Bug Fixing & Optimization
Backend for Mobile Apps
Multi Vendor Systems
Secure Authentication Systems
Third Party API Integration
Tech Stack
Node.js
Express.js
MongoDB
PostgreSQL
JWT Authentication
REST API Architecture
Sequelize / Mongoose
Why Clients Work With Me
Clean & scalable architecture
Secure backend development
Fast communication
Optimized database structure
Production-ready code
SEO-friendly API structure
If you need a fast, secure, and scalable backend for your startup or SaaS project, send me a message before ordering.
Get to know Zohaib Saeed
Zohaib Saeed
Full Stack Web Developer
- FromPakistan
- Member sinceFeb 2026
- Avg. response time1 hour
- Last delivery4 weeks
Languages
Pashto, English, Urdu, Persian
Hi, I’m Zohaib Saeed! As a core developer at Nexum Technologies, I bring 5 years of battle-tested experience in Full-Stack Development to your project. I don’t just write code; I build scalable digital ecosystems.
Whether you need a high-performance eCommerce platform, a data-heavy CRM, or an AI-integrated web app, I specialize in the MERN/PERN stack (React, Next.js, Node.js, MongoDB, PostgreSQL/Sequelize) to ensure your backend is robust and your frontend is pixel-perfect.
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FAQ
Do you provide the complete source code and ownership?
Yes, absolutely. Upon project completion and payment, you will have 100% ownership of the source code. I will transfer the repository via GitHub or GitLab, including all necessary documentation for future maintenance.
How do you ensure the security and scalability of the application?
I follow industry-standard security protocols, including JWT authentication, data encryption, and protected API routes. For scalability, I architect the backend using Node.js/Express and optimized databases (PostgreSQL/MongoDB) to ensure the system can handle thousands of concurrent users seamless
Reviews
2 reviews for this Gig
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Rating Breakdown
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- Quality of delivery
- Value of delivery
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S shakir_mamond
France
Zohaib Saeed did an amazing job on my project. I needed a professional Node.js backend developer to build secure REST APIs for my eCommerce application, and he delivered exactly what I was looking for. As a MERN stack developer, he clearly understands how to build scalable and maintainable systems. Communication...
Up to $50
Price
2 days
Duration
Z 
Seller's Response
Helpful?H horacebrain
United States
Zohaib did a good job on this project. The API works smoothly and meets all requirements. Delivery was on time and professional.
Up to $50
Price
2 days
Duration
Z Seller's Response
Helpful?
Reviews
2 reviews for this Gig
| (2) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S shakir_mamond
France
Zohaib Saeed did an amazing job on my project. I needed a professional Node.js backend developer to build secure REST APIs for my eCommerce application, and he delivered exactly what I was looking for. As a MERN stack developer, he clearly understands how to build scalable and maintainable systems. Communication...
Up to $50
Price
2 days
Duration
Z Seller's Response
Helpful?H horacebrain
United States
Zohaib did a good job on this project. The API works smoothly and meets all requirements. Delivery was on time and professional.
Up to $50
Price
2 days
Duration
Z Seller's Response
Helpful?
