Hi, I’m Jay — a writer, software developer, and music & video creator.
Popular SoundCloud pianist and YouTuber, Substack writer, and software engineer building cross-platform applications and open-source libraries.
SoundCloud
1.4K followers
18 tracks
Substack
340 subscribers
1.6K followers
1.6K followers
Since Oct 2025
YouTube Music
7.2K subscribers
Since Dec 2025
Web Application
WriteReps
Since Mar 2026 • v0.1.6
Open Source
Async Bulkhead LLM
npm • v2.0.0
Open Source
Async Bulkhead
Maven Central • v0.5.2
Open Source
Async Bulkhead TS
npm • v0.2.3
What I do
Music
Piano covers shaped by eclectic taste and reinvention.
- SoundCloud releases
- YouTube music videos
- Single available on Apple Music
Writing
On Substack: piano music, coding adventures, poetry, and occasional perspicacity.
- 340 subscribers since Oct 2025
- 1.6K followers
Software
Thoughtful, customer-focused engineering.
- WriteReps web app in early access
- wdmueller.com website for published novelist
- async-bulkhead-llm library on npm
- async-bulkhead-parent library on Maven Central
- async-bulkhead-ts library on npm
Explore
Links to my personal projects.
Get in touch
For collaborations, consulting, or just saying hello — feel free to reach out.