Karan Lyons
Principal Security Engineer at Amazon
Los Angeles, California, United States
Summary
👤
Senior🎓
Top SchoolKaran Lyons is a Principal Security Engineer in Los Angeles with 14 years of experience solving thorny security and systems problems across startups and large platforms. He blends hands‑on engineering with security leadership, having built cross‑company tooling at Zoom (secrets scanning, e2e crypto work, automated dependency patching) and delivered measurable risk and cost reductions at Lacework through distroless container tooling. His work spans cloud, container, and cryptographic systems—managing HSMs, secrets stores, CD pipelines, and incident response teams—while holding multiple security‑focused patents. He contributes to open source TypeScript typing in high‑visibility repos like DefinitelyTyped, improving real-time media lib types for greater safety. Known for turning messy operational problems into auditable, automated solutions, he pairs deep technical craft with a knack for pragmatic product and cost decisions.
14 years of coding experience
15 years of employment as a software developer
Bachelor of Arts (BA) Theatre/Theater, Bachelor of Arts (BA) Theatre/Theater at University of Southern CaliforniaNoble and Greenough School
English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
typescript10
javascript10
typescript-definitions10
typescripts10
type-definition10
typescript-types10
testing9
Programming languages (11)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Mar 2019 - Apr 2019
The repository for high quality TypeScript type definitions.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:5 commits, 2 PRs, 15 comments in 13 days
Contributions summary:Karan primarily contributed to the TypeScript type definitions for the `hls.js` library, enhancing and correcting existing types. They focused on marking properties as `readonly`, removing incorrect properties, restoring previously removed properties, and adding regression tests for properties. Furthermore, the user addressed issues related to the `media` property and its interaction with the `attachMedia` and `detachMedia` methods, ensuring type safety.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
karanlyons/stripe-CTF-solutions
Feb 2012 - May 2013
Contributions:19 commits in 1 year 2 months
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.