Leo S
Engineering Manager at TikTok
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolLeo S is an Engineering Manager based in Mountain View with a decade of experience leading software and quality teams at major tech companies including TikTok and Salesforce. He blends hands-on mobile engineering—demonstrated by iOS playgrounds and UIKit Dynamics work in his GitHub repos—with leadership in test engineering and release readiness. His background spans mobile app development, automation, GIS-enabled field mapping, and network optimization, giving him a rare cross-domain perspective from embedded radio networks to consumer mobile platforms. At TikTok he progressed from Lead in Test to Engineering Manager, reflecting a track record of scaling teams and improving delivery quality. An active blogger and Stack Overflow contributor, he pairs technical mentorship with clear documentation and practical demos that make complex behaviors tangible.
10 years of coding experience
13 years of employment as a software developer
Master of Science (M.S.), Information Systems and Technology, Master of Science (M.S.), Information Systems and Technology at Claremont Graduate University
English, Chinese
Stackoverflow
24,676reputation
1.5mreached
427answers
6questions
uiview
top-5%
nsdata
top-5%
uinavigationbar
top-5%
cocoa
top-5%
objective-c
top-1%
iphone
top-5%
Github Skills (26)
objective-c10
ios10
playgrounds10
swift10
uikit10
uinavigationbar9
uialertcontroller9
uiviewcontroller9
uiview9
json9
cocoa9
statusbar9
nsdata9
iphone9
uitableview9
Programming languages (4)
Github contributions (5)
LeoMobileDeveloper/Blogs
Dec 2016 - Dec 2021
一点心得 - iOS,Swift,React Native,Python...
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:190 commits, 4 PRs, 175 pushes in 5 years
Contributions summary:Leo primarily contributed to an iOS project, focusing on creating a Newton's Cradle playground using UIKit Dynamics. Their work involved implementing the UI, handling touch interactions, and drawing the cradle's components. They also made changes to a "ViewUsage" file, possibly demonstrating their understanding of how the developed components fit within a broader view structure. Furthermore, they added mark up content, code examples and documentation to make playground pages.
objective-creactpythonreact-nativeswift-react
LeoMobileDeveloper/awesome-rxswift
Aug 2016 - Jul 2020
An "awesome" type curated list of RxSwift library and learning material
Contributions:95 commits, 4 PRs, 85 pushes in 3 years 11 months
rxswiftswiftios
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