Alexander Natsevich
Python AI Developer · Telegram Bots · LLM Integration
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PWA Expense Tracker — Mobile-First Finance App
Built a mobile-first Progressive Web App for personal
expense tracking.
Features:
• Dark-themed UI with hero cards and clean typography
• Category breakdown and monthly analytics
• Works offline (Service Workers)
• Installable on mobile home screen like a native app
Stack: HTML · CSS · JavaScript · PWA · Service Workers
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AI English Coaching Telegram Bot with Voice Recognition
Built a full-featured AI English coaching bot for Telegram.
Users send voice messages → bot transcribes them via OpenAI
Whisper → analyzes grammar and vocabulary with GPT-4 →
gives structured feedback instantly.
Features:
• Voice recognition (Whisper API)
• GPT-4 powered feedback and corrections
• Conversation memory between sessions
• Daily push notifications for practice reminders
• Mini App with 50+ business English flashcards
• User analytics and progress tracking
Stack: Python · Telegram Bot API · OpenAI GPT-4 + Whisper ·
LangChain · FastAPI · PostgreSQL · Linux VPS · systemd
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