Ethan Holmes
Principal Engineer at Sidecar Health
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolEthan Holmes is a Principal Engineer based in Seattle with a decade of experience building full-stack, DevOps, and systems-design solutions across AdTech, Blockchain, EdTech, E‑commerce, Healthcare, and Logistics. He’s led and scaled platform and engineering teams from lead to director-level roles, most recently moving from Director of Engineering, Platform at System1 to Principal Engineer at Sidecar Health. Known for blending hands-on coding with architecture and operational rigor, he drives continuous improvement and cross-functional collaboration to deliver production-grade systems. His background spans startups and larger engineering organizations—shaping resilient platforms, accelerating delivery, and mentoring engineers. A computing science graduate from Simon Fraser University, he brings a pragmatic systems mindset and a track record of translating complex domains into maintainable engineering solutions.
10 years of coding experience
12 years of employment as a software developer
Computing Science Software Engineering, Computing Science Software Engineering at Simon Fraser University
English
Github Skills (45)
vapid10
webpush10
api10
push-api10
encryption9
bluetooth-low-energy8
universal-react8
bootstrap7
react-redux7
react6
javascript6
mongodb5
nodejs5
bluetooth5
android5
Programming languages (5)
Github contributions (5)
SherClockHolmes/webpush-go
Dec 2016 - Oct 2019
Web Push API Encryption with VAPID support.
Contributions:11 releases, 5 reviews, 10 commits in 2 years 10 months
apivapidpushweb-push-apiwebpush
Blockdaemon/tipe-go
Nov 2019 - Mar 2020
Tipe Golang SDK
Contributions:2 PRs, 6 pushes, 5 branches in 3 months
golangsdkgolang-sdk
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