John Wilander
Security Engineer at Apple
San Francisco Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Wilander is a Security Engineer with 14 years of experience based in the San Francisco Bay Area, currently managing the WebKit Privacy and Adtech team. He brings deep practical expertise in browser privacy features—particularly Private Click Measurement—having implemented same-site pixel APIs and driven PCM database migration and testing in WPE WebKit. A Swedish-American with roots at Linköping University, he blends systems-level thinking with hands-on test automation and flaky-test remediation to keep privacy features reliable in complex web engines. Known for thoughtful engineering trade-offs, he often pairs feature work with rigorous test coverage and temporary debugging instrumentation to accelerate stability. His open-source contributions to WebPlatformForEmbedded demonstrate a commitment to shipping privacy-first web platform improvements that work in downstream embedded contexts.
14 years of coding experience
Linköping University
Swedish, English, German
Stackoverflow
526reputation
43kreached
4answers
2questions
Github Skills (17)
c-language10
cprogramming-language10
test-automation10
web-development9
sqlite8
ios7
macos7
iframe6
cookie6
rest6
http-header6
http6
csrf6
safari6
ajax6
Programming languages (10)
Github contributions (5)
WebPlatformForEmbedded/WPEWebKit
Jan 2016 - Jan 2022
WPE WebKit port (downstream)
Role in this project:
Back-end Developer / Test Automation Engineer
Back-end Developer / Test Automation EngineerContributions:330 commits in 6 years 1 month
Contributions summary:John's contributions primarily focused on WebKit's Private Click Measurement (PCM) feature, as evidenced by the commit messages and code changes. They implemented features like the same-site pixel API, which allows triggering events without cross-site requests. They also added tests and refined existing ones, specifically related to PCM database migration and destination token handling. The user also worked on test gardening and addressed reported flaky failures, primarily by updating test expectations and adding temporary logging for debugging purposes.
wpedownstreamwebkit
privacycg/private-click-measurement
May 2019 - Apr 2022
Private Click Measurement
Contributions:11 reviews, 9 commits, 5 PRs in 2 years 11 months
data-privacydata-protectionprivacyccpameasurement
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