Kevin Cernekee
Chief Executive Officer at kevincernekee.com
Mountain View, California, United States
Summary
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SeniorKevin Cernekee is a seasoned embedded systems and Android engineer with 26 years of experience, now leading his own company from Mountain View as CEO. He specializes in Linux kernel drivers, embedded firmware, and Android platform work, combining low-level systems expertise with pragmatic product-focused engineering. Kevin has a track record of meaningful open-source contributions to well-known Android projects—improving robustness and architecture support in Superuser and hardening AFWall+ firewall rule handling and UI. His work shows an eye for reliability under constrained environments, e.g., adding watchdog timeouts and null-safety to interactive shells and shipping architecture-aware binaries. Comfortable both writing device-level code and steering product priorities, he brings technical rigor to leadership and a preference for shipping practical, resilient solutions.
26 years of coding experience
Stackoverflow
251reputation
90kreached
3answers
0questions
Github Skills (25)
computer-architecture10
architecture10
firewall10
iptables10
java10
javas10
android10
error-handling10
architectures10
mips10
debug9
debugging9
c119
c179
concurrency9
Programming languages (13)
Github contributions (5)
ukanth/afwall
May 2013 - Feb 2014
AFWall+ (Android Firewall +) - iptables based firewall for Android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:124 commits, 5 comments in 9 months
Contributions summary:Kevin primarily focused on enhancing and maintaining the AFWall+ (Android Firewall+) application. Their contributions involved refactoring the application by centralizing the iptables rule application, as well as introducing key changes to improve the application's performance, and security. The user implemented new features and refactored the existing codebase to improve the firewall's responsiveness and rule application logic. They also focused on UI enhancements and added new features like control over the LAN and fixing network connection leaks.
firewall-rulessecurityandroidandroid-firewallcrowdin
Chainfire/libsuperuser
Jun 2013 - Dec 2013
Example code for "How-To SU"
Role in this project:Back-end Developer
Back-end DeveloperContributions:16 commits in 5 months
Contributions summary:Kevin primarily contributed to improving the `Shell.java` file, fixing typos and comment inaccuracies, and addressing potential issues with thread safety and null pointer exceptions within the interactive shell implementation. These changes included adding a watchdog timeout feature to prevent hanging processes, which enhanced the robustness of the library. Furthermore, the user added a feature for a callback on shell open, expanding the API functionality and improving the overall user experience.
golang
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