Jan Szpila
Syracuse, Indiana, United States
Summary
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SeniorJan Szpila is a seasoned JavaScript engineer with 14 years of experience specializing in React and front-end architecture, currently building web apps at Experis. He has delivered production front-ends for a mix of high-scale consumer and enterprise products—from Amazon Prime messaging systems and The Washington Post to Caesars Sportsbook—bringing pragmatic full-stack experience when needed. Jan excels at modernizing legacy platforms and keeping feature parity across platforms, having shipped cross-device web clients and internal tooling at companies like Trov and Guaranteed Rate. Known for a dry sense of humor and a clear stance on JavaScript (not Java), he pairs strong implementation chops with a pragmatic, product-focused approach. Based in Chesterton, Indiana, he thrives on turning complex UX requirements into reliable, maintainable front-end systems. A long track record across startups and large teams suggests he’s as comfortable prototyping new features as he is stabilizing production at scale.
14 years of coding experience
Stackoverflow
696reputation
95kreached
19answers
13questions
Github Skills (13)
json6
html6
ajax6
php6
javascript6
jquery6
post6
plugin6
react4
mobile-first2
aurelia2
css2
stylus1
Programming languages (2)
Github contributions (5)
jszpila/jszpila.github.io
Apr 2012 - Nov 2022
Contributions:101 commits, 57 pushes in 10 years 9 months
jszpila/minute-man
Apr 2020 - Sep 2022
A handy mobile-first progressive web app for zeroing your rifle and maybe some other stuff when I get around to it.
Contributions:51 PRs, 55 pushes, 27 branches in 2 years 4 months
mobile-firstgunspewpewprogressive-web-apppwa
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