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I will build saas, CRM, dashboard, mern stack web app with next js
Saiful Islam
5.0
5.0
About this gig
Looking for a reliable MERN Stack developer to build your SaaS platform, CRM system, admin dashboard, or custom web application?
You're in the right place.
I specialize in developing modern, scalable, and production-ready business applications using React, Next.js, Node.js, Express.js, TypeScript, MongoDB, PostgreSQL, Supabase, Firebase, and REST APIs.
Whether you need a SaaS MVP, CRM, ERP, admin dashboard, inventory management system, healthcare platform, booking system, or custom business software, I can help turn your idea into a secure and high-performance application.
- SaaS MVP Development
- CRM & ERP Systems
- Admin Dashboard
- MERN Stack Web Applications
- Next.js Applications
- REST API Development
- Authentication (JWT, OAuth, RBAC)
- API Integration
- Payment Gateway Integration
- Responsive UI/UX
- Database Design
- Deployment & Performance Optimization
Why choose me?
- Clean, scalable, and maintainable code
- Business-focused development approach
- Modern architecture and best practices
- Reliable communication
- On-time delivery
- Long-term support
Let's build a powerful SaaS or business application that helps your business grow.
Get to know Saiful Islam
Saiful Islam
Full Stack MERN Developer, SaaS, CRM and AI Web Applications
- FromBangladesh
- Member sinceMar 2026
- Avg. response time1 hour
- Last delivery3 months
Languages
Bengali, English, Hindi, Italian, French
I help startups and businesses build scalable SaaS platforms, CRM systems, AI-powered web applications, and custom business software. As a Full Stack MERN Developer with 8+ years of experience, I specialize in React, Next.js, Node.js, TypeScript, MongoDB, PostgreSQL, Subpase, REST APIs, AI integration, and cloud deployment. My focus is delivering secure, high-performance, and production-ready solutions with clean architecture, modern UI/UX, and reliable communication that help businesses automate workflows and grow faster.
My Portfolio
Other Software Development Services I Offer
FAQ
Can you build a complete SaaS MVP?
Yes. I can build a production-ready SaaS MVP with authentication, admin dashboard, REST APIs, payment integration, and database design.
Can you develop a custom CRM or ERP?
Absolutely. I develop custom CRM, ERP, inventory management, healthcare, booking, and business management systems tailored to your requirements.
Which technologies do you use?
React, Next.js, Node.js, Express.js, TypeScript, MongoDB, PostgreSQL, Supabase, Firebase, Tailwind CSS, and REST APIs.
Do you deploy applications?
Yes. I can deploy your application on VPS, Vercel, AWS, DigitalOcean, or your preferred cloud platform.
Can you integrate third-party APIs?
Yes. I integrate payment gateways, email services, SMS, AI services, authentication providers, and other REST APIs.
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chrlstawrlght89
Repeat Client
United States
Great experience working with this seller! I had some responsive issues in my application, and he fixed everything perfectly. The layout now works smoothly across all devices. He was fast, professional, and understood the problem right away. Communication was clear throughout the process. Highly recommended...
Up to $50
Price
2 days
Duration
M 
Seller's Response
Helpful?C chrlstawrlght89
Repeat Client
United States
I worked with him before. Now I came back with another backend server task. He fixed my PostgreSQL load and connection issue just like before — fast and clean. No extra talking, no delays. Sent me the offer, I accepted, he finished the same day. Server is running smooth now. If you need a backend developer...
Up to $50
Price
1 day
Duration
M Seller's Response
Helpful?C chrlstawrlght89
Repeat Client
United States
I needed help integrating my frontend with the backend, and the seller handled it very professionally. The connection was done smoothly and everything is working perfectly now. He understood the requirements quickly and made sure all parts were properly integrated without any issues. Communication was...
Up to $50
Price
1 day
Duration
Helpful?M mortenrasmus302
Repeat Client
United States
Great experience working again! Communication was smooth and everything was explained clearly. The landing page looks clean, professional, and works perfectly on all devices. He understood my requirements well and delivered on time. Highly recommended for anyone looking for a reliable Full Stack web developer.
Up to $50
Price
1 day
Duration
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chrlstawrlght89
Repeat Client
United States
Great experience working with this seller! I had some responsive issues in my application, and he fixed everything perfectly. The layout now works smoothly across all devices. He was fast, professional, and understood the problem right away. Communication was clear throughout the process. Highly recommended...
Up to $50
Price
2 days
Duration
M Seller's Response
Helpful?C chrlstawrlght89
Repeat Client
United States
I worked with him before. Now I came back with another backend server task. He fixed my PostgreSQL load and connection issue just like before — fast and clean. No extra talking, no delays. Sent me the offer, I accepted, he finished the same day. Server is running smooth now. If you need a backend developer...
Up to $50
Price
1 day
Duration
M Seller's Response
Helpful?C chrlstawrlght89
Repeat Client
United States
I needed help integrating my frontend with the backend, and the seller handled it very professionally. The connection was done smoothly and everything is working perfectly now. He understood the requirements quickly and made sure all parts were properly integrated without any issues. Communication was...
Up to $50
Price
1 day
Duration
Helpful?M mortenrasmus302
Repeat Client
United States
Great experience working again! Communication was smooth and everything was explained clearly. The landing page looks clean, professional, and works perfectly on all devices. He understood my requirements well and delivered on time. Highly recommended for anyone looking for a reliable Full Stack web developer.
Up to $50
Price
1 day
Duration
Helpful?
