How I Built a Multi-Tenant SaaS ERP Using React, FastAPI and MongoDB — As a Commercial Rep With No CS Degree

📰 Dev.to · Rubens Bandeira

Learn how a non-technical sales rep built a multi-tenant SaaS ERP using React, FastAPI, and MongoDB, and apply similar skills to your own projects

intermediate Published 1 Jun 2026
Action Steps
  1. Build a React frontend for a SaaS application using modern UI components
  2. Configure a FastAPI backend to handle API requests and integrate with a database
  3. Design a MongoDB database schema to store multi-tenant data
  4. Implement authentication and authorization for a multi-tenant SaaS application
  5. Deploy a full-stack application to a cloud platform
Who Needs to Know This

Full-stack developers, sales teams, and entrepreneurs can benefit from this story, as it showcases the potential for non-technical individuals to contribute to technical projects and highlights the importance of interdisciplinary collaboration

Key Insight

💡 With dedication and the right resources, non-technical individuals can make significant contributions to technical projects

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🚀 Non-technical sales rep builds multi-tenant SaaS ERP using React, FastAPI, and MongoDB! 💻

Key Takeaways

Learn how a non-technical sales rep built a multi-tenant SaaS ERP using React, FastAPI, and MongoDB, and apply similar skills to your own projects

Full Article

I wasn't always just a sales rep. At 14, I was teaching myself HTML from internet forums — building...
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