Robert Ryan Jennings
Web logs of a software development engineer, musician, artist and hockey player.
Content expressed is my own and does not reflect the opinions of any entity.
Recent Posts
Popular Categories
all categoriesDesigning Secure Authentication Systems
Mar 20, 2026 12:00AM
14 min read
2970 words
A practical reference for designing authentication systems that can withstand compromise, replay, abuse, and operational failure.
Quiet Presence: A Personal Reason for Building a Controlled Booking System
Mar 20, 2026 12:00AM
18 min read
3808 words
Why I built Quiet Presence, and how I used a small Cloudflare stack plus AI-assisted development to create a provider-controlled booking system with clear client preferences.
Why I Built Entrobert Music
Mar 20, 2026 12:00AM
7 min read
1369 words
Why I built entrobertmusic.com as a music side hustle: to get more rehearsal and session-player experience, use more creative ideas, and open the door to audio software collaboration.