Mastro Signals

Mastro Signals is a personal SaaS project that connects TradingView PineScript indicators with an Express backend to deliver automated alerts via email.

Integrated OpenAI GPT-4 to generate natural language trade summaries from raw signal data, making the alerts more actionable and readable for non-technical traders.

Building this project was a particularly rewarding challenge. Integrating an AI layer into a real-time signal pipeline required careful performance tuning: I had to design prompt strategies and caching mechanisms that kept API costs low while still delivering coherent, high-quality summaries on every alert. The goal was to prove that an AI-augmented product could be both polished and economically viable without excessive API spend.