Andrew Rosario
Senior Software Engineer at Upstart
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolAndrew Rosario is a Senior Software Engineer with 11 years of experience who brings a classroom-tested approach to building robust software across .NET, Java, JavaScript, and Ruby stacks. Based in San Francisco, he has progressed from classroom leadership roles into senior engineering positions at Upstart, with prior software experience at Charles Schwab and RigUp, blending pedagogy and product-minded engineering. Known for solving hard problems creatively and collaboratively, he pairs hands-on coding with mentorship instincts shaped by years as an assistant principal and instructional coach. An active GitHub presence underscores his commitment to continuous learning and teaching, positioning him as both developer and educator. He excels at translating complex requirements into practical, maintainable solutions and often surfaces process and people-focused improvements that go beyond code.
11 years of coding experience
2 years of employment as a software developer
M.Ed Math Education, M.Ed Math Education at Texas State UniversityBA History, BA History at Oakland University
Github Skills (10)
single-page7
rails6
ruby-on-rails6
ruby5
application-management4
single-page-application4
inventory-management3
react2
nodejs2
javascript2
Programming languages (6)
Github contributions (5)
andrewrosario/home-helper-frontend
Oct 2019 - Jan 2020
Contributions:10 PRs, 100 pushes, 7 branches in 2 months
sydrosa/Lizzbians_A-Lizzo-Stan-Page
Sep 2019 - Oct 2019
A single page application where you can play a Lizzo trivia page and check out popular Lizzo lyrics.
Contributions:56 commits, 25 PRs, 43 pushes in 4 days
single-pagesingle-page-applicationlyrics
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