Full‑stack .NET + Blazor developer specializing in MAUI Hybrid, SQL, DevOps, and AI‑powered workflows.
ArborKin — JS‑free generational layout engine + Azure SQL + CI/CD
BizMachina — AI-powered document ingestion for SMB paperwork processing
GigSync — musician gig-calendar automation: parses gig-confirmation emails via the Claude API and auto-updates a client's website through an embeddable widget (live backend on Cloudflare Workers, validated against a real client site)
Portfolio + Music Site — Astro, deployed on Cloudflare Workers
AI/LLM: Daily power user of Claude Code + GitHub Copilot for architecture, refactoring, and debugging
25‑year professional saxophonist — touring, recording, teaching, and performing across the US and Europe. I played some major venues like Chicago's Millennium Park, Princeton University, as well as touring Europe and playing NYC 30x. Check out my album "Better Than TV" wherever music can be purchased. I continue playing professionally :)
Core Development
Frontend Frameworks & UI Libraries
Databases & Data
DevOps & Cloud
Development Tools & AI
Other Tools
View 360+ projects on GitHub →
- 🔭 I’m currently working on ArborKin - a custom family tree app, BizMachina - an AI-assisted paperwork processing application for SMBs, and GigSync - gig-calendar automation for musicians
- 🌱 I’m learning more Blazor/C#, CI/CD, and mobile development — plus figuring out how far AI coding assistants can push day-to-day dev productivity
- 💬 Ask me about playing any song in the key of C#
- 📫 How to reach me: doug.rosenberg@gmail.com
- ⚡ Fun fact: Beethoven’s magnum opus is the C# quartet opus #131