John Kaster
California, United States
Summary
👤
Senior🎓
Top SchoolJohn Kaster is a seasoned software leader and founder with over a decade of experience building scalable web services, security-conscious payment systems, and distributed architectures. As Co-Founder and CEO of Sonde, Inc., he combines hands-on engineering with product and go-to-market experience, having led teams at Google, Looker, and multiple startups. He spans the full stack—from database and server implementation to UI, documentation, and SKU-level productization—while prioritizing energy-efficient AI infrastructure and practical cyber-security. An active contributor to open-source tooling, he implemented Swift code generation and auth workflows for Looker’s SDK codegen and improved its TypeScript API Explorer UI. Based in California, he pairs entrepreneurial grit with deep technical breadth across media advertising, collaboration systems, and knowledge presentation.
10 years of coding experience
27 years of employment as a software developer
BSc, Computer Science, Asian Studies, Math, BSc, Computer Science, Asian Studies, Math at University of Wisconsin-Stevens Point
Stackoverflow
2,547reputation
931kreached
27answers
28questions
Github Skills (14)
swift10
code-generation10
typescript-types9
typescript9
typescripts9
api8
testing8
apidoc8
debugging6
visual-studio-code6
php6
impersonation6
unicode6
delphi6
Programming languages (15)
Github contributions (5)
looker-open-source/sdk-codegen
Apr 2019 - Jan 2023
One SDK to rule them all, and in the codegen bind them
Role in this project:
Full-stack Developer (Swift and TypeScript)
Full-stack Developer (Swift and TypeScript)Contributions:1197 reviews, 853 commits, 686 PRs in 3 years 9 months
Contributions summary:John primarily worked on implementing and testing Swift code generation functionality, building out the authentication session, and ensuring compatibility with various features. Their contributions include core changes to the Swift code generation, and testing and integrating authorization workflows. They also made improvements to the API Explorer, including enhancing the UI and functionality, in TypeScript.
code-generationpythonlooker-sdkopenapi-specificationswift5
looker-open-source/create-looker-extension
Nov 2021 - Nov 2022
Create Looker Extensions with zero manual configuration
Contributions:3 releases, 6 reviews, 6 commits in 1 year
extensionsmanuallookerzero
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