Addison Tustin
Software Development Engineer II at Amazon
California, United States
Summary
👤
Senior🎓
Top SchoolAddison Tustin is a software engineer with eight years of experience building scalable platform services, currently serving as a Software Development Engineer II on Amazon Books where he re-architects legacy services and builds org-wide auth and observability patterns. He combines practical backend expertise in Kotlin and cloud-native tooling with a strong track record of improving developer experience and operational efficiency. As project lead of Polyratings.dev he modernized a decades-old campus site into a Cloudflare Workers + React app with CI/CD, cutting costs 20× and driving thousands of new reviews used by tens of thousands of students. Known for leadership, mathematical rigor, and a disciplined work ethic, he often bridges technical strategy and hands-on implementation. Based in California, Addison brings a bias for measurable impact and a knack for revitalizing neglected systems.
8 years of coding experience
4 years of employment as a software developer
California Polytechnic State University, San Luis ObispoHIGH SCHOOL/SECONDARY DIPLOMAS AND CERTIFICATES, HIGH SCHOOL/SECONDARY DIPLOMAS AND CERTIFICATES at Canyon High SchoolWelding (Robotic/Manual), Political Science, US History, Welding (Robotic/Manual), Political Science, US History at College of the Canyons
Github Skills (28)
kotlin10
gps10
poly10
cal10
kotlin-multiplatform10
lora10
android-application10
jetpack-compose10
bluetooth-low-energy10
android9
rating9
iot9
protobuf9
esp329
mesh8
Programming languages (5)
Github contributions (5)
AddisonTustin/polyratings
Mar 2022 - May 2026
Cal Poly SLO Professor Rating Website
Contributions:24 pushes in 4 years 2 months
polyratingcalprofessorslo
AddisonTustin/Meshtastic-Android
Jun 2024 - Jul 2024
Android application for Meshtastic
Contributions:15 pushes, 2 branches in 1 month
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