Sebastian Huckleberry
Founder at Kernel Agentson
Oakland, California, United States
Summary
🤩
Rockstar🎓
Top SchoolSebastian Huckleberry is a seasoned founder and engineering leader with 14 years of experience building developer-focused tools and distributed systems from startup to scale. Based in Oakland, he has led technical strategy and execution as CTO/CEO at Smallstep and Sauce Labs and co-created Runme, a project that restores intent to engineering docs and powers reproducible developer workflows. He’s a hands-on full-stack and security engineer who contributes to notable open-source projects like Appium and smallstep/cli and helped bring Runme into the CNCF ecosystem with runme.dev. Sebastian combines product intuition with deep operational experience—shipping WASM build targets, JSON renderers, and tooling that improves docs-to-toolchain integration—so teams spend less time re-solving problems. His background spans crypto-proof-of-concept work, platform leadership over 10+ scrum teams, and executive education at Berkeley Haas, reflecting a blend of technical depth, entrepreneurial grit, and people-first leadership.
14 years of coding experience
13 years of employment as a software developer
Specialized Computer Scientist, Computer Science, Specialized Computer Scientist, Computer Science at Berufsschule für Informationstechnik Munich, GermanyExecutive Education, Berkeley Executive Leadership Program, Executive Education, Berkeley Executive Leadership Program at University of California, Berkeley, Haas School of Business
English, German
Github Skills (29)
markdown10
json10
ios10
automation10
certificate10
go10
markdown-it10
cryptography10
appium10
automations10
devops10
test-automation10
webdriver9
security-txt9
objective-c9
Programming languages (14)
Github contributions (5)
runmedev/runme
Jul 2022 - Jan 2023
DevOps Notebooks Built with Markdown
Role in this project:
Full-stack Developer & DevOps Engineer
Full-stack Developer & DevOps EngineerContributions:303 reviews, 38 commits, 351 PRs in 6 months
Contributions summary:Sebastian primarily focused on enhancing the project's functionality and improving its presentation through front-end and back-end updates, including the addition of a JSON renderer. They implemented features for listing and running commands, and worked on general improvements related to documentation. Additionally, the user contributed to the project's build process by creating a WASM build target and example.
clouddevopsmarkdownnotebooksworkflows
smallstep/cli
Oct 2018 - Mar 2020
🧰 A zero trust swiss army knife for working with X509, OAuth, JWT, OATH OTP, etc.
Role in this project:Back-end & Security Engineer
Back-end & Security EngineerContributions:34 commits, 10 PRs, 32 pushes in 1 year 5 months
Contributions summary:Sebastian primarily focused on enhancing the documentation and help functionality of the `smallstep/cli` repository. They implemented a feature to generate JSON reports based on the HTML documentation, facilitating improved integration with other tools. Additionally, the user added code to include thresholds in the help tests and improved the structure of the documentation to include key features and the correct information within the context of the project. These changes suggest a focus on improving the user experience and aiding developers with the project.
yubikeysignsshzero-trustsecurity-tools
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