Sean O'reilly
Software Engineer at SpotOn Transact, Inc. (SpotOn)
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolSean O'reilly is a software engineer in San Francisco with nine years of experience building Python and JavaScript tools for a fast-growing fintech, currently at SpotOn. He combines a BS in Applied Mathematics with hands-on full‑stack engineering and a passion for algorithms—skills honed teaching data structures at App Academy and tutoring advanced math subjects for 1,000+ hours. Comfortable across backend and web stacks, he focuses on practical, data-informed solutions that scale in production. Colleagues know him for translating mathematical intuition into clean, maintainable code and for shipping features that bridge analytic rigor with user-facing reliability.
8 years of coding experience
Bachelor of Science - BS, Applied Mathematics, Bachelor of Science - BS, Applied Mathematics at University of California, Davis
Stackoverflow
31reputation
14kreached
1answer
0questions
Github Skills (40)
visuals8
dashboard8
fretboard8
chord-diagram8
monitoring8
mysql8
mongoose7
visualization7
analytics7
guitar7
piano7
midi7
mobile-application7
prometheus7
elasticsearch7
Programming languages (2)
Github contributions (5)
seanjams/fretboard
Mar 2020 - Jul 2022
Another guitar fretboard, with cool visuals WIP
Contributions:9 PRs, 118 pushes, 12 branches in 2 years 4 months
wipguitarmusicvisualsfretboard
seanjams/seanjams.github.io
Jun 2017 - Jul 2023
Contributions:38 pushes, 1 branch in 6 years 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.