John Sparwasser
Lead Software Engineer at Actifai
Baltimore, Maryland, United States
Summary
👤
Senior🎓
Top SchoolJohn Sparwasser is a Lead Software Engineer with 15 years of experience building and architecting web platforms and server systems from startup to scale, currently leading engineering at Actifai in Baltimore. He blends hands-on full-stack development with deep server architecture expertise gained across roles at SamCart, Vizual.AI, and Supplier.ai, and has run his own freelance firm since 2012. Comfortable across backend, frontend and DevOps, he has a track record of owning system reliability and shipping practical solutions under product constraints. A math-minded developer by training (BS in Computer Science, strong early focus on SQL and CMS work), he tends to surface elegant, data-driven approaches to architectural problems.
15 years of coding experience
10 years of employment as a software developer
Bachelor's of Science, Computer Science, Bachelor's of Science, Computer Science at Towson UniversityHigh School Degree, Mathematics and Computer Science, High School Degree, Mathematics and Computer Science at Broadneck High School
English
Stackoverflow
1,015reputation
30kreached
12answers
2questions
case-sensitive
top-5%
angularjs
top-5%
Github Skills (20)
recurring-billing10
magento9
angularjs9
case-sensitive9
php8
linux8
windows8
javascript8
explore7
macos7
html6
dom-events6
json6
url-routing6
ajax6
Programming languages (5)
Github contributions (5)
john-sparwasser/johnsparwasser.com
Dec 2016 - Feb 2026
Contributions:26 pushes, 1 branch in 9 years 3 months
nizaranand/spindlous
Mar 2011 - Dec 2012
Contributions:28 commits in 1 year 9 months
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