Justin Menestrina
Staff Software Engineer at Affirm
Denver, Colorado, United States
Summary
👤
Senior🎓
Top SchoolJustin Menestrina is a Staff Software Engineer with 11 years of experience who blends a rigorous physics background (M.S.) with self-taught full-stack expertise to build robust, high-performance tools and UIs. He has led frontend architecture and internal tooling efforts—shipping React/Redux component libraries, Electron-based config apps for distributed systems, and CI-driven integration testing—at companies including Affirm, Guild Education, and LogRhythm. Comfortable across backend and frontend stacks (Node/Express, C#, Ruby, TypeScript), he excels at turning complex, data-heavy problems into maintainable, developer-friendly solutions. His research past—publishing nanoscale electrochemistry work and developing simulation code—translates into a habit of quantitatively-driven engineering and careful system design. Based in Denver, he gravitates toward developer productivity and scalable UX, often prioritizing code-driven docs and tooling that make teams more effective.
11 years of coding experience
9 years of employment as a software developer
Master of Science (M.S.), Physics, Master of Science (M.S.), Physics at University of California, IrvineBachelor of Arts (B.A.), Physics, Physics GPA: 3.95, Bachelor of Arts (B.A.), Physics, Physics GPA: 3.95 at Vanderbilt UniversityFull Stack Web Development, Full Stack Web Development at App Academy
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (40)
circle9
jenkins8
react8
travis8
d3js8
travis-ci8
visualization8
crossfilter8
javascript7
code-review7
gpu7
trello7
danger7
charts6
crud5
Programming languages (3)
Github contributions (5)
jmenestr/App-Academy-Prep
Jul 2015 - Aug 2015
Contributions:35 commits in 9 days
jmenestr/ClimbCalifornia
Oct 2015 - Nov 2015
Contributions:69 pushes, 1 branch, 5 issues in 1 month
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