Umidjon Z.

I build AI products for businesses, from the AI Products to the web app, admin dashboard and Manage Deployments. My work is used inside Samsung's HR organisation and Incheon International Airport, and by a booking assistant serving real customers in Dubai. Not sure yet? Ask for a live demo link and try my work before you hire me. WHAT I BUILD - Full-stack AI products and MVPs Python and FastAPI backend, Next.js and TypeScript web app, PostgreSQL or Supabase database, login and access controls, admin dashboards, Stripe payments, and deployment. - AI that answers from your documents (RAG) It finds the right information in your files and shows where each answer came from. If the answer isn't there, it says so. Works with PDF, PowerPoint, Excel and Korean HWP files. I also fix existing systems that give poor answers. - AI that writes reports from your data It turns structured data and documents into plain-language summaries and recommendations, with a person reviewing before anything goes out. - AI agents that get tasks done They connect to your tools and APIs, can safely retry without doing something twice, and keep logs so you can see what happened. - WhatsApp and Telegram assistants They answer customers, book appointments, understand voice notes, work in several languages, and pass the chat to a person when needed. - Private AI on your own servers Your data stays inside your network, with locally hosted models, separate knowledge bases per department, access controls and activity logs. PROJECTS I'VE DELIVERED - Samsung HR and Incheon Airport: document AI running inside the client's network with no internet access. About 93,000 indexed chunks, 50+ users at once, bulk uploads of 1,000+ documents. I built the admin interface, the search engine and the deployment, and I support it. - Dubai booking assistant: I was lead engineer on an assistant that books appointments for real customers and remembers their preferences. - Remicare AI (USA): a medical companion with live voice conversations, Stripe billing and an admin dashboard. TOOLS Python, FastAPI, TypeScript, Next.js, Node.js, OpenAI, Claude, Ollama, vLLM, LangChain, LangGraph, Qdrant, pgvector, Elasticsearch, PostgreSQL, Supabase, Redis, Docker, Nginx, AWS, GCP, n8n, Langfuse. HOW I WORK - US and European working hours, a reply the same day, and a written update each morning. - I handle the full build through to deployment. - Fixed price when the scope is clear. - I stay available after delivery for fixes and support. Tell me what you're trying to solve, and I'll discuss a plan, a price and a timeline within 24 hours.