Oleksii Kozulin
Senior Software Engineer at skyglyph
Valencia, Valencian Community, Spain
Summary
👤
Senior🎓
Top SchoolOleksii Kozulin is a Senior Software Engineer and engineering manager with over 18 years of experience building mobile, web, and backend systems, now based in Valencia. He specializes in React Native and Node.js (8+ years), while bringing deep expertise in information security, cryptography, PCI compliance, and blockchain. Oleksii has led mobile teams at scale—maintaining apps with millions of users, creating shared native modules, and owning security and analytics-driven feature delivery. He pairs hands-on development with mentorship and technical consulting, teaching React and guiding startups like Knocki and FlyVictor from prototype to production. Known for blending product-focused collaboration with PM and UX teams, he also contributes strategic value in A/B testing and data-informed optimization.
11 years of coding experience
17 years of employment as a software developer
Master of science Information security, Master of science Information security at Kharkiv National University of Radio Electronics#166
English, Ukrainian, Russian
Github Skills (62)
ios10
react-native10
mobile-development10
bottom10
reanimated10
app-framework10
cross-platform10
audio10
playback10
android10
player10
mobile10
audio-player10
music10
chromecast10
Programming languages (8)
Github contributions (5)
Jlexyc/ReactCourse2
Feb 2022 - Jul 2022
Contributions:19 commits, 8 pushes, 11 branches in 5 months
Jlexyc/react-native-zendesk-support2
Sep 2018 - Jul 2020
Wrapper fot zendesk support v2
Contributions:1 PR, 12 pushes, 1 branch in 1 year 10 months
zendeskzendesk-support
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