I will build custom ai saas web application, mvp, and ai tool


Level 2
About this gig
Looking for a senior full-stack AI engineer to build a profitable AI SaaS, web application, or launch your startup MVP?
Building an AI SaaS requires more than calling an APIyou need bulletproof auth, subscription billing, vector search/RAG pipelines, low-latency streaming responses, and responsive UI.
Im Qamar NisarSenior Software Engineer with 5+ years of full-stack engineering and AI integration experience building production-ready SaaS platforms.
What I Can Build:
Custom AI SaaS Platforms & Micro-SaaS MVPs
Next.js / React Frontends with Tailwind CSS
Python (FastAPI) & Node.js backend APIs
User Authentication (Clerk / NextAuth / Supabase)
Stripe / LemonSqueezy subscription billing
OpenAI, Claude 3.5 Sonnet, Gemini & Open-Source LLMs
RAG Architecture & Vector DBs (Pinecone, ChromaDB)
Responsive User Dashboard & Admin Analytics Panel
Tech Stack:
Next.js | React | TypeScript | Tailwind | FastAPI | Python | PostgreSQL | Supabase | OpenAI | Claude | Stripe
Why Choose Me?
Clean, modular & documented code included
Production security, rate limiting & error handling
100% satisfaction guarantee
Ready to build your AI SaaS? Contact me now!
Get to know Qamar
Senior AI Engineer and Digital Creator: Custom AI Apps, Bots, Cinematic Media
Level 2
- FromPakistan
- Member sinceFeb 2020
- Avg. response time1 hour
- Last delivery5 months
Languages
Urdu, English, Spanish, French
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Other Software Development Services I Offer
FAQ
What tech stack do you use to build an AI SaaS?
I use Next.js 14/15 with TypeScript & Tailwind CSS for frontend, FastAPI (Python) or Node.js for backend APIs, Supabase or PostgreSQL for database, and Stripe for payments.
Will I own the full intellectual property and source code?
Yes! You retain 100% ownership of the full source code, intellectual property, and database. Full GitHub repository access is transferred to you upon delivery.
Do you implement Stripe subscription billing and user auth?
Yes, I set up complete authentication (Clerk, NextAuth, or Supabase Auth) and Stripe subscription checkout sessions, billing portals, and webhooks.
