Browse categories
Explore
Fiverr Pro
English
$
USD
I will architect and build a full stack ai saas application
Gustavo M
About this gig
Stop building simple wrappers. Build a scalable AI SaaS that generates revenue.
I am a Senior Full-Stack Engineer and AI Architect with a decade-long Top-Rated reputation on Fiverr. I don't just write code; I engineer end-to-end software products designed to scale, cut server costs, and provide real value to your users.
What I can build for you: Custom AI Workflows: RAG (Retrieval-Augmented Generation), Multi-Agent Systems, and Context Engineering that doesn't hallucinate. Robust Backend: High-performance REST APIs using Node.js, Express, TypeScript, and relational databases (MySQL/PostgreSQL). Dynamic Frontend: Fast, responsive, and modern user interfaces built with React.js. SaaS Infrastructure: Complete integration of Stripe (Recurring Billing), OAuth Authentication, and Cloud Storage.
Why choose me? I have built complex, fully autonomous AI SaaS platforms from the ground up. I understand API cost optimization, data compliance, and how to structure a multi-tenant application securely.
Every project is unique. Please send me a message before ordering so we can discuss your specific business goals and technical requirements.
Get to know Gustavo M
Gustavo M
Senior FullStack Engineer, AI, SaaS Architect
- FromUnited States
- Member sinceJul 2024
- Avg. response time3 hours
- Last delivery10 months
Languages
English, Portuguese, Spanish
I am a Senior AI Architect & Full-Stack Engineer. With a decade-long Top-Rated reputation on Fiverr, I apply an obsessive attention to detail to engineer high-performance AI & scalable SaaS products.
What I build:
🧠 Local AI Engines (C++): Zero API costs, 100% private (Ollama).
⚙️ Multi-Agent Systems & RAG: AI that reasons, remembers, and doesn't hallucinate.
🚀 Full-Stack SaaS: Node.js, React, TypeScript.
I don't build simple wrappers; I architect enterprise solutions that cut costs and scale. Send me a message!
My Portfolio
Other AI Development Services I Offer
FAQ
Do you use no-code or low-code builders?
No. I build custom, production-grade applications using industry-standard code (TypeScript, React, Node.js). This ensures security, scalability, and full ownership of your IP.
Can you help with complex multi-agent AI systems?
Absolutely. I specialize in designing and implementing multi-agent workflows that go beyond simple API calls, focusing on reliability and precise data handling.
Do you provide post-launch support?
Yes. For long-term projects, I offer maintenance and scaling support to ensure your application continues to perform optimally as your user base grows.
