Joshua Hertlein
Staff Software Engineer at ngrok
O'Fallon, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolJoshua Hertlein is a Staff Software Engineer with 13 years of experience building full-stack systems and developer tools, currently advancing ngrok after a senior engineering stint at Stripe. He is fluent in Java, Ruby, and Python and comfortable across the stack—from responsive UIs and backend services to hands-on hardware like racking servers. Joshua has a track record of shipping reliable production software in both high-velocity startup and finance environments, blending pragmatic engineering with operational ownership. Based in O'Fallon, Illinois, he leverages a Computer Science degree from Missouri S&T and a background as a desktop engineer to bridge infrastructure and application concerns. Colleagues rely on him for pragmatic problem-solving and for tackling tasks that span code, deployment, and on-premise hardware. He brings a curious, maker-oriented mindset that favors end-to-end responsibility and durable systems.
14 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at Missouri University of Science and TechnologyLindbergh High School
English, French
Github Skills (53)
minecraft10
bukkit10
plugin10
ngrok10
dedicated-server8
authentication8
ec7
dsa7
ruby7
dotnet7
rfc6
certificate-authority6
x5096
sorbet6
rails6
Programming languages (11)
Github contributions (5)
klmaricic/CS-5201
Apr 2015 - Oct 2024
Contributions:2 PRs in 9 years 7 months
object-orientedmodelingnumerical-modelingmachine-learning
jmhertlein/comfydns
May 2021 - Jul 2024
The world's most comfortable implementation of RFC 1035.
Contributions:1 review, 10 PRs, 147 pushes in 3 years 1 month
rfc
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