Stephen Vondenstein
Senior Software Engineer at Sphinx Defense
Colorado Springs, Colorado, United States
Summary
👤
Senior🎓
Top SchoolStephen Vondenstein is a Senior Software Engineer based in Colorado Springs with nine years of experience building scalable, security-conscious systems across defense, aerospace, fintech, and startups. He has designed multi-tenant Kafka architectures and libraries at S&P Global, developed ML-driven RF interference detection for SATCOM in a 5G research lab, and recently continued his systems work at Lockheed Martin and Sphinx Defense. A co-founder of an AI-assisted image-editing startup, he pairs product-minded engineering with low-level systems thinking and a knack for tooling that improves developer velocity. Stephen’s background includes hands-on contributions to cybersecurity awareness projects for government stakeholders, reflecting an ability to translate technical risk into compelling demonstrations. He emphasizes clean, incremental improvements—“writing better code one line at a time”—while quietly shipping infrastructure that scales in demanding operational environments.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Louisiana State University
Stackoverflow
637reputation
33kreached
4answers
6questions
Github Skills (18)
gatsby-plugin8
facebook-ios-sdk6
game-physics6
localization6
iphone6
ipa6
game-center6
facebook6
ios6
sitemap6
react5
gatsbyjs5
seo4
gatsby4
git-commit4
Programming languages (3)
Github contributions (5)
neurologists/neuropy
Jun 2019 - May 2020
Contributions:31 commits, 13 pushes, 6 branches in 11 months
vondenstein/portfolio
Sep 2018 - Mar 2026
Fast, modern portfolio and blog powered by Gatsby
Contributions:2 releases, 130 PRs, 300 pushes in 7 years 7 months
gatsbyjsgatsbyreact
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