Preston Carpenter
Senior Software Engineer at Stripe
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolPreston Carpenter is a Senior Software Engineer with 12 years of experience building reliable backend systems and infrastructure, currently at Stripe after multi-year engineering roles at AWS. He has deep systems and cloud expertise—demonstrated by contributions to low-level projects like the wlroots Wayland compositor and production services at AWS and Stripe. His work spans from improving test automation and reliability in open-source tools to fixing intricate compositor and DRM bugs, reflecting a strong grasp of both QA and systems internals. Early internships at Google and Microsoft and a CS degree with a cyber operations concentration inform his security-conscious approach to engineering. Based in Seattle, he maintains a technical blog and public resume, signaling a commitment to sharing knowledge beyond shipping code.
12 years of coding experience
8 years of employment as a software developer
Bachelor of Science in Computer Science with concentration in Cyber Operations Computer Science, Bachelor of Science in Computer Science with concentration in Cyber Operations Computer Science at Northeastern University
English
Stackoverflow
1,199reputation
314kreached
15answers
9questions
Github Skills (19)
unit-testing10
python10
c1110
c1710
composite10
wayland10
co10
test-automation10
drm9
gles7
vector6
rust6
shell6
closures6
operating-system6
Programming languages (15)
Github contributions (5)
swaywm/wlroots
Oct 2017 - Nov 2019
A modular Wayland compositor library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:32 commits, 18 PRs, 65 comments in 2 years 1 month
Contributions summary:Preston primarily focused on fixing bugs and improving the `wlroots` Wayland compositor library. Their contributions involved correcting include statements, addressing issues related to data device managers and DRM, and resolving problems within example code. They also implemented features such as adding a data device manager destructor and adding user data fields to certain structs. The user demonstrated a strong understanding of the Wayland protocol and compositor internals.
waylandwayland-compositor
lra/mackup
Apr 2014 - Dec 2015
Backup and keep your application settings in sync.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:19 commits, 7 PRs, 14 comments in 1 year 8 months
Contributions summary:Preston significantly contributed to improving the testing framework of the project by adding and modifying unit tests. They introduced tests for various functionalities, including configuration file handling, file and directory copying, file permissions (chmod), and command-line argument parsing. The user also added tests to check for errors and edge cases within the application. The contributions significantly increased the test coverage of the project, and enhanced its reliability.
application-settings
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