I'm Jacob, a senior full-stack engineer based in Philadelphia, PA. I build production PHP and TypeScript systems professionally- payment processing, automation, REST APIs, and Linux infrastructure— and privacy-first health and lifestyle apps on the side. Experienced with AI-assisted development tooling (Claude Code, Codex, MCP).
PHP TypeScript JavaScript Node.js/Express MySQL SQLite React HTML/CSS REST APIs Linux Apache Git PWA WordPress
- Tourbot — Full-stack tour management system handling reservations, group bookings, vendor management, payment processing, document generation, and AI-assisted chat for a multi-million dollar travel business. (PHP, MySQL, JavaScript, OpenClaw)
- ETA Guides Portal — Mobile-first PWA for tour guide contractors with trip itineraries, expense reporting, document management, and offline support. (PHP, MySQL, Bootstrap, PWA)
- MacroTracker — Self-hosted macro tracking PWA with barcode scanning, multi-API food search (Open Food Facts, USDA, FatSecret), recipes, weight trends, and CSV export. (TypeScript/Vite, Express, SQLite)
- CreightonTrackingApp — Privacy-focused Creighton Model fertility tracker with E2E encryption, offline capability, chart/calendar views, and provider sharing. (TypeScript, Vite, Express, SQLite, PWA)
- wedding.stephens.page — Full-stack wedding website with invite-based RSVP, guest management admin, interactive registry with purchase tracking, photo gallery, and cron-based monitoring. (PHP, MySQL, JavaScript)
- Magisterium MCP Server — Model Context Protocol server giving AI assistants access to the Magisterium API for Catholic Church teaching with citations. (TypeScript, Node.js, MCP)
- daily_dozen — Daily Dozen food checklist tracker with user accounts, offline support, and cloud sync. (Node.js, Express, PWA)
- exodus40lite — Lenten accountability tracker for small groups, adapted from Exodus 90. (JavaScript, PHP, MySQL, PWA)
- Channel Zero News — Interactive party game with host control panel, real-time submission tracking, and teleprompter for live mock news broadcasts. (PHP, MySQL, Bootstrap)