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Independent Projects

Products, experiments and open-source work developed beyond client and production engagements.

Talker.zone — Real-Time Voice Platform

Designed and built an MVP real-time voice platform with FastAPI, LiveKit/WebRTC and PostgreSQL, separating application control from the media layer and experimenting with AI voice participants.

  • Python
  • FastAPI
  • LiveKit
  • WebRTC
  • PostgreSQL
  • Nginx
  • Deepgram
  • OpenRouter
View case study →

YTubeMind — AI Video Summarization Platform

Built a microservice-based AI product that extracts YouTube transcripts, summarizes and answers questions with LLMs, and exposes the workflow through a Telegram bot with authentication and payments.

  • Python
  • FastAPI
  • OpenRouter
  • Telegram API
  • aiogram
  • YouTube Transcript API
  • YooKassa
  • Docker
View case study →

Animy AI — AI Video Generation Bot

Built a Telegram-based AI video generation product that turns user images into short vertical videos through fal.ai, with asynchronous processing, user limits and payment logic.

  • Python
  • Telegram API
  • fal.ai
  • Docker
  • PostgreSQL
View case study →

AI Vacancy Search — LLM-Assisted Job Discovery

Built a job discovery tool that retrieves vacancies through internal APIs and uses LLM-based filtering to return roles matching a target technical profile.

  • Python
  • FastAPI
  • Flask
  • OpenRouter
  • REST API
  • SQLite
View case study →

Zadachkin — OCR + LLM Problem-Solving Platform

Built an OCR-to-LLM pipeline for processing photographed tasks, combining image validation and text recognition with local and API-based language models.

  • Python
  • PaddleOCR
  • Flask
  • Telegram API
  • Ollama
  • LLM APIs
  • Docker
View case study →
Sergey Plotnikov AI Product Engineer / ML Developer
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