Sergey Ilyevsky
Software Engineer at Bellboy Robotics
Israel
Summary
🤩
Rockstar🎓
Top SchoolSergey Ilyevsky is a pragmatic software engineer with 11+ years building mobile and systems software across startups and large teams, currently engineering at Bellboy Robotics in Israel. He combines deep mobile expertise (iOS/Objective-C/Swift, Kotlin, React Native) with systems-level skills (Linux, Bash, Python, C/C++) gained from roles at Wix and Intel. At Wix he progressed from senior engineer to mobile infra and release team leader, shipping tooling and improving delivery for large-scale mobile apps. An active open-source contributor, he fixed critical iOS bugs and added features to the popular wix/react-native-interactable library and strengthened E2E coverage in the Detox testing framework. Sergey enjoys hands-on problem solving and building reliable systems end-to-end, and he often tinkers beyond code—designing tools, games and deployment automations. He holds a BA in Mathematics from Technion, reflecting a strong analytical foundation behind his engineering decisions.
11 years of coding experience
15 years of employment as a software developer
BA Mathematics, BA Mathematics at Technion - Israel Institute of Technology
Stackoverflow
4,061reputation
443kreached
25answers
10questions
animation
top-1%
react-native
top-5%
pycharm
top-5%
Github Skills (21)
e2e-testing10
javascript10
ios10
react-native10
animation10
e2e-test10
test-automation10
testing9
objective-c9
android9
automation9
automations9
pycharm9
swift6
shadowing6
Programming languages (10)
Github contributions (5)
wix-incubator/react-native-interactable
Apr 2017 - Nov 2020
Experimental implementation of high performance interactable views in React Native
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:24 commits, 11 PRs, 17 pushes in 3 years 6 months
Contributions summary:Sergey primarily contributed to the iOS side of the React Native Interactable library. Their work involved fixing bugs related to event handling and the animated native driver, particularly for React Native 0.43. They added new functionality such as the `changePosition` command, which allows for imperative control of the interactable view's position, and implemented the `reportOnAnimatedEvents` prop for more efficient event reporting.
reactreact-nativejavascriptperformanceinteractable
wix/Detox
Jun 2017 - Mar 2020
Gray box end-to-end testing and automation framework for mobile apps
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:4 releases, 47 commits, 11 PRs in 2 years 10 months
Contributions summary:Sergey's contributions primarily involve adding and modifying end-to-end (E2E) tests for the Detox framework. They added new test cases to cover animations and location functionalities, demonstrating a focus on testing mobile application features. The user implemented tests with different drivers and configurations to ensure the framework's reliability. Their work directly contributes to the quality assurance of mobile applications using Detox.
e2e-teststest-automationend-to-endboxend-to-end-testing
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