Serhii Hryshyn
Mobile Engineering Lead at Intellias
Kyiv, Ukraine
Summary
👤
Senior🎓
Top SchoolSerhii Hryshyn is a Mobile Engineering Lead and Principal Software Engineer with 11 years of experience and a strong 8+ year focus on native Android development using Kotlin, KMM and Flutter. He designs scalable architectures (MVI, MVVM, Clean) and has delivered complex features like custom polygon geofencing, feature-toggle frameworks, and offline-first inspection modules for enterprise and automotive products. As a hands-on leader he has led teams, set up CI/CD and modularized apps while mentoring developers to reach target roles. Based in Kyiv, he pairs mobile expertise with a growing interest in backend work and languages like C# and Python, and shares insights regularly on Medium. Notably, his work spans both product-facing UI/UX redesigns and low-level SDKs for vehicle tracking, showing breadth from user experience to platform-level engineering.
10 years of coding experience
5 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Русский, English, Украинский, German
Stackoverflow
442reputation
14kreached
6answers
10questions
Github Skills (93)
dao10
debugging10
geofencing10
collage10
kotlin10
debug10
sharedpreferences10
architecture9
gestures9
sql9
zooming9
touchpad9
pinch-to-zoom9
android-architecture-components9
sqlite9
Programming languages (4)
Github contributions (5)
GrishinSergey/CollageImageView
Jun 2019 - May 2021
Sipmle library for building images collage
Contributions:8 releases, 29 commits, 26 PRs in 1 year 10 months
image-processingcollage
GrishinSergey/KPI-study
Jun 2016 - Feb 2017
Contributions:95 pushes, 1 branch in 8 months
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