Serhii Hulenko is a Senior Android Developer and former Head of Mobile Development with over a decade of experience building high-quality mobile and banking applications from architecture to release. He combines hands-on Kotlin and Kotlin Multiplatform expertise with a track record of improving stability (notably migrating large projects to MVVM and raising stability rates) and eliminating technical debt. As a team leader he has grown and mentored engineers, introduced agile and DevOps practices, and shipped reusable SDKs and cross-platform modules that accelerated delivery. Based in Valencia, he thrives at the intersection of product and engineering—often stepping in proactively without a brief to resolve emergencies and translate business goals into robust mobile solutions. An advocate for code quality, he routinely guides architecture decisions and teaches peers practical ways to raise overall technical output.
11 years of coding experience
5 years of employment as a software developer
Master's degree, Analysis of computer systems, 4,5, Master's degree, Analysis of computer systems, 4,5 at National transport university: NTU
Contributions:5 releases, 1 review, 14 PRs in 2 years 8 months
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Serhii Hulenko - Senior Android Developer at Storyteller