Kerry Ritter
Co-founder CTO Principal Engineer at Zipper
St. Louis, Missouri, United States
Summary
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Rockstar🎓
Top SchoolKerry Ritter is a product-minded CTO and principal engineer with 12 years of experience building scalable full-stack web platforms, currently co-founding and leading engineering at Zipper where he architects an AI-powered operations and marketing suite for fitness studios. He blends hands-on development across the stack—modern TypeScript stacks (NestJS, React, Remix), AWS infrastructure, and resilient APIs—with a strong background in ASP.NET/C# and PHP from earlier roles. Kerry has driven large-scale modernizations at Microsoft and led cloud-native, serverless architectures in healthcare, always emphasizing testability, CI/CD, and performance. He’s an active open-source maintainer and mentor, bringing pragmatic product focus to technical decisions so solutions deliver measurable business impact. A Midwesterner from St. Louis, his engineering journey began in pre-teen web tinkering, which still informs his appetite for practical, user-centered systems.
12 years of coding experience
11 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Southern Illinois University Edwardsville
Stackoverflow
51reputation
8kreached
0answers
1question
Github Skills (200)
inversion-of-control10
javascript-framework10
browser10
dependency-injection10
nodejs10
cordova10
oracle10
orm10
inversion10
ionic10
scalable10
cnode10
mysql10
graph10
progressive10
Programming languages (11)
Github contributions (5)
BeerMoneyDev/nest-monk
Jul 2020 - Nov 2020
A thin wrapping layer around the monk package for clean NestJS dependency injection.
Contributions:7 commits, 1 PR, 5 pushes in 4 months
nestjsinjectioncleanwrappingmonk
nerfdev/nest-rest-framework-mongoose
Nov 2019 - May 2020
Mongoose module for Nest REST Framework.
Contributions:1 PR, 1 push, 1 branch in 6 months
nestjsmongomongoose-modulerest-frameworknest
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