Bill Chan
Senior IOS Engineer at Florio GmbH
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolBill Chan is a Senior iOS Engineer based in Berlin with 11 years of experience and over eight years focused on shipping polished iOS apps across startups and product teams. He has deep expertise in multimedia and device integration—working on video, Chromecast and Apple TV features—and has driven mobile development at companies like Wire and Florio. Bill pairs hands-on app engineering with a strong QA mindset, contributing snapshot tests and edge-case coverage to high-performance projects such as the SwiftyGif GIF engine. Known for enjoying "tiny interesting challenges," he blends pragmatic problem-solving with attention to rendering reliability and test automation. Trained in computer science at HKUST, he brings a steady record of improving product quality and robustness in consumer-facing mobile experiences.
11 years of coding experience
14 years of employment as a software developer
Hong Kong University of Science and Technology (HKUST)
English, Chinese, German, Chinese
Stackoverflow
3,317reputation
1.5mreached
96answers
6questions
objective-c
top-5%
uikit
top-5%
ios
top-5%
hyperlink
top-5%
Github Skills (20)
uitest10
ios10
swift10
snapshot-testing10
ui-testing10
unit-testing9
objective-c9
xcode9
hyperlink9
uikit9
image-processing8
actionsheet6
nsattributedstring6
uilabel6
rotation6
Programming languages (9)
Github contributions (5)
alexiscreuzot/SwiftyGif
May 2019 - Jun 2019
High performance GIF engine
Role in this project:
Mobile Developer (iOS) & QA Engineer / Test Automation Engineer
Mobile Developer (iOS) & QA Engineer / Test Automation EngineerContributions:9 commits, 1 PR, 1 issue in 3 days
Contributions summary:Bill primarily focused on testing and quality assurance within the iOS project. Their contributions included writing snapshot tests to verify the rendering of images, particularly GIFs, within the SwiftyGif framework. They added test cases to handle various GIF scenarios, including those with non-standard properties and large file sizes. Furthermore, the user worked on refactoring and improving existing test implementations to cover more edge cases for ensuring reliable GIF display on iOS devices.
cocoapodsimagegifsdwebimageperformance
wireapp/swift-protobuf
Apr 2019 - Sep 2021
Plugin and runtime library for using protobuf with Swift
Contributions:13 releases, 2 PRs, 7 pushes in 2 years 4 months
protobufgrpcruntimeruntime-libraryswift
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