Fulstack freelance development services (Seoul Worldwide)
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I build, deploy, maintain and fix AI backend systems (RAG, FastAPI, chatbots) that actually work in production. 🚀
If your chatbot is inaccurate or your AI setup is broken, I can fix or deploy it fast.
I build RAG pipelines and AI backends using FastAPI, focused on chatbot systems, document AI, and API integrations.
I make sure your system is accurate, stable, and ready for real usage not just demos. ⚙️
I work on
• Document ingestion, chunking, embeddings, and vector databases
• Fixing retrieval issues so answers are correct and not hallucinated
• Improving latency, stability, and backend performance
• Deploying AI systems on Linux servers with Docker
I also fix broken AI systems. 🛠️
If your RAG pipeline or chatbot is not working properly, I quickly debug and improve retrieval quality, embeddings, and overall system behavior.
What I can help you with 👇
• RAG chatbot with your documents
• FastAPI backend for AI applications
• Fixing broken AI systems and improving accuracy
• AI deployment on VPS with Docker
• Document AI and internal tools
I focus on simple, reliable solutions that work in production and are easy to maintain. ✅
I can build a free POC for your use case so you can see results before committing. If it works, we continue.
https://www.upwork.com/freelancers/umidjonziyatdinov