Alex Liu
Principal Software Engineer at F5
Richmond Hill, Ontario, Canada
Summary
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SeniorAlex Liu is a Principal Software Engineer with 12 years of experience specializing in iOS development, currently leading platform work at F5 after progressing from senior roles at F5 Networks and XE.com. He brings deep expertise in Swift and Objective-C, Cocoa design patterns, mobile architectures (MVC/MVVM), and offline storage solutions like Realm and Core Data, with a strong focus on performance tuning and reusable, scalable code. Alex has shipped multiple consumer apps on the App Store and Google Play and contributes to Swift open-source projects, blending hands-on engineering with community engagement. He also has practical experience across React Native, SwiftUI, Android optimizations, and web/backend stacks from earlier roles, enabling cross-platform solutions and smoother integrations. Known for reducing crashes and improving UX in production apps, he pairs an engineer’s attention to detail with pragmatic product sensibilities.
12 years of coding experience
14 years of employment as a software developer
Stackoverflow
309reputation
15kreached
17answers
6questions
Github Skills (200)
realtime10
realm10
swiftui10
angularjs-material10
memory-leaks10
sdwebimage10
animate10
swift10
database10
image-processor10
angularjs10
macos10
iphone10
pie-chart10
caching10
Programming languages (8)
Github contributions (5)
alexliubj/OnlineStore
Nov 2013 - Dec 2013
Contributions:18 commits in 1 month
alexliubj/EZAnchor
Feb 2019 - May 2019
Contributions:2 releases, 51 commits, 46 pushes in 3 months
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