Jonathan Demasi
Senior Site Reliability Engineer at American Express
Golden, Colorado, United States
Summary
👤
Senior🎓
Top SchoolJonathan Demasi is a Senior Site Reliability Engineer with a decade of experience building and operating resilient systems across academia and enterprise, currently driving SRE work at American Express. He transitioned from a long tenure as an HPC Systems Administrator at BioFrontiers to SRE roles at Invitae, Skytap, and American Express, bringing deep operational expertise in Python, C++, and Bash. Jonathan combines a molecular biology academic background from the University of Colorado Boulder with hands-on infrastructure engineering, a blend that makes him comfortable translating complex scientific computing needs into production-grade reliability. Known for pragmatic automation and performance-focused troubleshooting, he excels at bridging research-driven environments and commercial-scale reliability practices.
10 years of coding experience
9 years of employment as a software developer
Molecular Cellular and Developmental Biology Molecular Biology, Molecular Cellular and Developmental Biology Molecular Biology at University of Colorado BoulderSaucon Valley High School
Stackoverflow
13reputation
153reached
0answers
1question
Github Skills (159)
exporter10
backup10
encryption10
hashicorp-vault10
duplicate-detection10
secrets10
vault10
icmp10
supervisord10
infrastructure-management9
django9
golang9
scale9
prometheus-exporter9
python9
Programming languages (10)
Github contributions (5)
jrdemasi/configs
Jun 2019 - Dec 2023
Contributions:5 pushes, 1 branch in 4 years 6 months
jrdemasi/scripts
Apr 2017 - Apr 2021
Contributions:64 pushes, 1 branch in 4 years 1 month
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