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Sergey
Korchagin

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About me
I build automation and AI agents with n8n. I run my own self-hosted n8n on a Docker server, so I cover both the build and the deployment. What I've shipped: • An AI consultant bot that answers from the client's own documents — RAG over a Supabase vector database (~22,000 indexed chunks) with an LLM, so replies come from real data instead of guesses, and it escalates to a human when unsure. • Telegram bots: a booking bot with automated reminders, and a daily news digest bot with deduplication and error handling. • A website with a live AI chat that captures leads straight into Google Sheets through n8n. • CRM automation with Bitrix24, and a chat widget (Voiceflow) wired to n8n and OpenAI. If you need a workflow built, two services connected through an API, a Telegram/website chatbot, or an AI assistant grounded in your own data — tell me where it's stuck and I'll give you a clear plan.

Work experience

Freelance / Self-employed
January 2026 – Current time
Job title
AI Automation Engineer (n8n)
Work experience & achievements
Building n8n automations and AI agents for clients: Telegram bots, RAG knowledge-base assistants, website chat with lead capture, CRM and API integrations. I run my own self-hosted n8n on a Docker server, handling both development and deployment. Selected projects: • AI consultant bot answering from the client's own documents — RAG over a Supabase vector database (~22,000 chunks) with an LLM, with human escalation. • Telegram booking bot with automated reminders. • Landing page with a live AI chat capturing leads into Google Sheets via n8n.

Education

Moscow State University of Geodesy and Cartography (MIIGAiK)
Graduation year: 2012
Level of study
Bachelor
Major / Field of study
Geodesy and Cartography