Justin Maat
Principal Software Engineer at PubMatic
Columbus, Ohio, United States
Summary
👤
Senior🎓
Top SchoolJustin Maat is a Principal Software Engineer with 12 years of experience building full-stack systems, currently shaping platform and infrastructure at PubMatic after helping Martin scale through acquisition. He specializes in end-to-end ownership—designing APIs, building React frontends, authoring backend services in Java/Scala, and modernizing deployments with Kubernetes and distributed systems. Justin has repeatedly joined early engineering teams and driven products from startup phase to global expansion, combining SaaS, real-time systems, and data pipeline experience. He balances hands-on implementation with reliability and deployment workflow improvements, often bridging product-facing features and platform modernization. A former consultant and avid OSS practitioner, he brings practical multilingual fluency (Node, Java, Scala, PL/SQL) and a penchant for crypto and web-focused projects. Based in Columbus, Ohio, he pairs an M.S. in Software Engineering with a track record of shipping robust systems at scale.
12 years of coding experience
11 years of employment as a software developer
B.S., Accounting, B.S., Accounting at The University of AkronM.S., Software Engineering, M.S., Software Engineering at Cleveland State University
Stackoverflow
1,985reputation
145kreached
26answers
15questions
Github Skills (179)
windows10
date-fns10
javascript10
linux10
datepicker10
js10
rocket10
macos10
nodejs10
mongodb10
npm10
react10
aggregator9
browser9
api9
Programming languages (6)
Github contributions (5)
jxm262/xchange.js
Dec 2014 - Dec 2017
Contributions:175 commits, 22 PRs, 92 pushes in 3 years 1 month
apiexchangecryptocurrencybitcoinexchange-api
jxm262/slacktube
Dec 2015 - Dec 2015
Contributions:82 commits, 26 PRs, 80 pushes in 28 days
slackplaylistyoutubeyoutube-playlist
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.