Igor Ostriz
Chief Technology Officer at One28
Town of Zaprešić, Croatia
Summary
👤
Senior🎓
Top SchoolIgor Ostriz is a pragmatic technology leader and CTO with two decades of software development and consultancy experience and a strong track record delivering complex mobile-first and cross-platform systems. He founded and runs Vionis while leading engineering at One28, blending hands-on architecture with executive oversight across startups and enterprise clients. Igor specializes in Flutter-driven products, offline-first mobile apps, real-time media and telemetry pipelines, and identity/security integrations (OAuth2/Keycloak/PingIdentity) for high‑scale content and transactional systems. His projects span domains from sports AI and betting voice recognition to healthcare, logistics and large-content platforms, often solving hard UX and native integration problems via custom native bridges. Based in Zaprešić, Croatia, he pairs deep technical craftsmanship in multiple stacks (Swift, Kotlin, Node, Python, Firebase) with product instincts honed by long-term client engagements. A practical innovator, he repeatedly turns tech debt and odd legacy constraints into resilient, production-ready architectures.
10 years of coding experience
23 years of employment as a software developer
Master of Computer Science, Master of Computer Science at Faculty of Electrical Engineering and Computing (FER), University of Zagreb
Stackoverflow
88reputation
9kreached
3answers
3questions
Github Skills (49)
objective-c10
instagram10
uicollectionview10
cocoapods10
ios9
cross-platform9
windows9
android9
mobile9
flutter9
macos9
dart9
web-framework8
material-design8
mobile-development7
Programming languages (4)
Github contributions (5)
mateflick/IOS
Sep 2018 - Dec 2018
Contributions:9 pushes, 1 comment, 1 issue in 3 months
mateflick/Nodejs
Sep 2018 - Oct 2018
Contributions:4 pushes in 23 days
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