Engineered Python automation systems including cryptocurrency DCA trading bots, Taiwan stock market scanners with institutional flow analysis, and scheduled task pipelines. Features real-time monitoring, Telegram alerts, automated order execution, and comprehensive backtesting frameworks.
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Built AI-powered chatbots integrating Claude, Gemini, and local LLMs (Ollama) for customer support and knowledge base Q&A. Features include multi-model fallback chains, context-aware conversations with memory, document analysis, and seamless API integration with Telegram and LINE platforms.
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Developed automated web scraping systems using Playwright and BeautifulSoup for e-commerce price monitoring, job board aggregation, and market data collection. Handles anti-bot detection, dynamic content loading, and scheduled data pipelines with structured JSON/CSV exports.
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Built a production Telegram bot system serving as a personal AI assistant. Features include AI-powered conversations (Claude/Gemini), stock portfolio tracking, quick notes with Google Sheets backend, and automated daily reports. Running 24/7 with cron-based scheduling and multi-LLM fallback chain.