Andrii Telenko
Staff Full-Stack Software Engineer at Bayer
Poznan, Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolAndrii Telenko is a Staff Full-Stack Software Engineer with 11 years of experience building high-performance, scalable web applications across B2B and B2C domains. He combines deep frontend expertise in React/Next.js and micro-frontend architectures with backend proficiency in Node.js, Java, and AWS, delivering end-to-end solutions from UX to cloud deployment. Known for practical performance engineering—achieving up to 10x speedups and major memory reductions—he also designs reusable developer tools and SSO systems that accelerate delivery. Andrii has led teams and modernized legacy platforms, shipping measurable gains in release cadence and load times while mentoring engineers. Recently he moved into staff-level roles and independently prototyped AI-powered products, reflecting a strong drive to integrate AI agents into production systems. Based in Poznan, he blends hands-on coding with architecture and delivery leadership, favoring pragmatic, measurable improvements.
11 years of coding experience
8 years of employment as a software developer
Master's degree Computer science, Master's degree Computer science at Admiral Makarov National University of Shipbuilding
English, Polish, Ukrainian
Github Skills (11)
federated8
federation7
nextjs7
javascript7
compiler5
viewer3
webpack3
react2
react-native2
android2
ios2
Programming languages (3)
Github contributions (5)
telenko/node-mf
Jun 2021 - Jan 2022
Contributions:3 reviews, 8 commits, 2 PRs in 6 months
telenko/react-native-paper-autocomplete
Apr 2021 - Apr 2021
Contributions:1 release, 9 commits, 8 pushes in 5 days
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