📍 Central Florida | 💻 Full-Stack Engineer | 📞 Voice/Telephony + AI
Building SaaS platforms, voice/telephony systems, and AI-powered automation. I ship fast, learn faster, and let the work speak for itself.
🎬 ClipPro — Free Opus Clip Alternative Open Source
Turn long videos into viral clips — runs locally, no subscriptions, no cloud uploads.
Built with Whisper (GPU) + Gemini AI + FFmpeg. Transcribes your video, finds the highest-virality moments using AI hook scoring, cuts clips with karaoke captions and hook text overlays. Includes a web UI and a clip combiner for WhatsApp-style content workflows.
Python Flask faster-whisper Gemini 2.5 Flash FFmpeg OpenCV
- 📞 Ringora — Multi-tenant SaaS CRM & power dialer with Telnyx WebRTC, Stripe billing, AI call analysis, and Rust WASM
- 📈 MES Trading Bot — Algorithmic futures trading system with 500K+ config backtesting and live IBKR execution
- 🔊 Twilio Voice Platform — Full-stack softphone, power dialer, mass SMS, and CRM analytics — powers TechHelpFL.com
- 🦞 OpenClaw AI Ops — AI operations agent built on steipete's OpenClaw — customized for my projects: Sentry monitoring, Telegram dispatch, and daily briefs
- 🎮 Mission Control — AI agent orchestration dashboard — create tasks, plan with AI, dispatch and watch agents work (Next.js 14)
- 🦷 AI Dental Voice Bot — Voice AI that handles dental appointment scheduling via Vapi, Google Calendar, and Twilio SMS
- 📱 BulkVS Dialer — WebRTC softphone with DTMF support and mass SMS broadcasting
- 🏡 Real Estate Poster Generator — Generate marketing posters from 10 unique templates
Open Source - 🌐 TechHelpFL — SEO-optimized landing page for a local tech services business — techhelpfl.com
- 🧹 Orleans Cleaning — Client website with Payload CMS — orleansqualitycleaning.ca
- 🤖 Job Application Automation — Workday auto-apply system with Chrome CDP and Telegram dispatch
- ⚡ n8n Workflows — Self-hosted n8n with Apollo webhooks and lead enrichment automations
- 🎨 Portfolio — Personal portfolio — dmchang.xyz
- Shipping production software — SaaS platforms, telephony systems, and trading bots running in prod
- Voice & telephony engineering — WebRTC, Twilio, Telnyx, Vapi — browser-based calling is my thing
- AI-native development — Building with Claude, Codex, and custom AI agents to move faster
- Automating everything — If it can be automated, it should be
Most projects are closed source and in active development. If you're interested in any of these for hiring, collaboration, or licensing — reach out. Open source contributions are marked above.