I will develop custom web applications, saas, CRM, erp and ai solutions


About this gig
Looking for a skilled MERN Stack developer to build a powerful, scalable, and secure web application? You've come to the right place!
I specialize in developing custom web applications, SaaS platforms, CRM systems, ERP software, AI-powered solutions, admin dashboards, and business management systems tailored to your unique requirements. Using MongoDB, Express.js, React.js, and Node.js, I build modern applications that are fast, responsive, user-friendly, and built for long-term growth.
What You'll Get:
Custom MERN Stack Development
SaaS, CRM & ERP Solutions
AI Feature Integration
Secure Authentication & User Roles
Responsive UI/UX
REST API Integration
Database Design & Optimization
Admin Dashboard
Clean, Maintainable Source Code
Cross Browser Compatibility
How It Works:
Share your project requirements or idea, and I'll analyze your needs, plan the development, build your application, test every feature, and deliver a high-quality solution with ongoing communication throughout the project.
Your satisfaction is my priority. Contact me before placing your order so we can discuss your project and choose the best package for your needs.
Get to know PEDRO O
Professional Shopify Dropshipping Expert Store Designer Marketing Specialist
- FromSpain
- Member sinceJul 2026
- Avg. response time1 hour
Languages
Spanish, English, French
FAQ
What kind of applications can you develop?
I develop custom web applications, SaaS platforms, CRM systems, ERP software, admin dashboards, AI-powered applications, and business management systems.
Which technologies do you use?
I use MongoDB, Express.js, React.js, Node.js, JavaScript, HTML, CSS, Tailwind CSS, REST APIs, and other modern development tools.
Should I contact you before placing an order?
Yes. Please message me before ordering so we can discuss your requirements, timeline, and the best package for your project.
Can you add custom features or third-party integrations?
Yes. I can integrate payment gateways, authentication, AI services, APIs, email systems, maps, chat features, and other custom functionalities.

