Ch Mudassar S.

AI SaaS developer for founders who need an MVP that becomes a real product, not a demo. I build LLM features, RAG search, AI agents, and full SaaS platforms — Python, Django, FastAPI, React, Next.js. Top Rated Plus (top 3% of Upwork) · $300K+ earned · 60+ contracts · 11,000+ hours · 8+ years building products What I build: -AI features for your product: LLM integrations, RAG search over your own data, AI agents, and custom chatbots (OpenAI API, LangChain, pgvector / Pinecone) -SaaS MVPs built to scale: user accounts, Stripe billing, dashboards, admin panels — architecture that survives your growth, not just your launch -Custom CRMs, internal tools, and automations that replace manual work -Backend APIs and cloud deployment: FastAPI, Django, PostgreSQL, AWS, Docker, CI/CD -React Native mobile apps when your product needs one How I work I use AI tooling (Claude, GPT, Cursor) across development, testing, documentation, and refactoring — on suitable projects this has cut build time by up to 40%. Architecture decisions and code review stay with me personally, so you get the speed without a codebase that needs rewriting at 1,000 users. I work best with founders who know the problem they're solving and want one person to own the technical side: scoping, architecture, building, launching. When it helps, I act as a fractional CTO — stack decisions, roadmap, and code review for your team. Why clients hire me Top Rated Plus with a 100% Job Success score Full-time freelancer, available during US business hours Plain-English updates and timelines I actually hit I stay after launch — most of my contracts continue long term Core stack: Python, Django, FastAPI, React, Next.js, TypeScript, Node.js, OpenAI API, LangChain, Pinecone, pgvector, PostgreSQL, AWS, Docker Next step: send me what you're building, who it's for, and your deadline. I'll reply with how I'd approach it and what I'd build first.