Sergio Pantoja
Chief Technology Officer at FEFA Financial
St. Louis, Missouri, United States
Summary
👤
Senior🎓
Top SchoolSergio Pantoja is a seasoned technology leader and founder with 13 years building full-stack products, teams, and event‑scale services, currently serving as CTO at FEFA Financial where he leads large-scale employee education and retirement guidance programs. He founded and led PhotoTap, creating event photography systems and operational teams deployed at Fortune 500 events, and brings practical product instincts from launching paid online communities and real‑time web apps. An adjunct professor at Washington University in St. Louis, he connects students to local industries across fintech, cybersecurity, and bioscience, blending teaching with applied industry experience. Technically fluent from frontend to backend and real‑time systems, Sergio pairs hands‑on engineering with strategic leadership and a knack for translating complex financial and operational requirements into reliable, user‑focused services. Outside work he’s fueled by good books, hikes, and matcha—an indication of a curious, resilient leader who values sustained focus and balance.
13 years of coding experience
14 years of employment as a software developer
Computer Science, Computer Science at Florida International University
Github Skills (155)
mvc10
ruby10
javascript-framework10
activerecord10
slim10
javascript10
altium-designer10
flexbox10
html10
rails10
mobile-first10
cryptic10
actionmailer10
googleapis10
dropdown10
Programming languages (15)
Github contributions (5)
sergiopantoja/rails
Jul 2019 - Aug 2025
Ruby on Rails
Contributions:2 pushes in 6 years 2 months
ruby-on-railsrailsruby-onruby
sergiopantoja/hamming-secded
May 2013 - Jan 2017
Contributions:6 commits, 3 pushes in 3 years 8 months
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