Hi, I'm Dan Mandel.

Build trading strategies in plain English, backtest them on market data, and deploy paper-trading bots from the web, API, or MCP.

• Rust
• Next.js
• PostgreSQL
• NautilusTrader

A directory of 3,000+ shopping malls across all 50 US states — locations, hours, and directions on statically generated, search-friendly pages.

• Next.js
• TypeScript
• OpenStreetMap

This site — a minimal, SEO-first portfolio. Statically rendered with structured data and zero client JavaScript.

• Next.js
• Tailwind CSS
• TypeScript