Jay Ravaliya

Software engineer. I build with AI and write about it.

Writing

First Python / Flask ApplicationJul 2015
A summary of how to stand up your first Python / Flask application.

njtransit2026
Ruby gem for NJ Transit's real-time and schedule data — buses, trains, and light rail. Built to drop into AI agents and chatbots that need live transit data. →
pure_greeks2026
Pure-Ruby options Greeks (delta, gamma, theta, vega, rho), pricing, and implied volatility for vanilla European and American options — no Python, no QuantLib, no native code. →
skywatch2026
Ruby toolkit for aviation situational awareness — real-time weather briefs, flight tracking via ADS-B, and emergency squawk alerting from public FAA/NWS data. Ships with a Claude Code subagent that delivers AIM 7-1-5 weather briefings. →
tenor-tui2026
A terminal UI for browsing stock options chains. Live quotes, full chains with Greeks, named watchlists, and pluggable data providers (Yahoo, Tradier) — all keyboard-driven. →