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.
11 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 (63)
debugging10
sharedpreferences10
instagram10
android-database10
collage10
android-architecture-components9
kotlin9
dao9
image-viewer9
sqlite9
android9
instaloader9
database9
recyclerview9
touchpad8
Programming languages (4)
Github contributions (5)
GrishinSergey/CollageImageView
Jun 2019 - May 2021
Organize your images in beautiful collage with this library!
Contributions:8 releases, 29 commits, 26 PRs in 1 year 10 months
image-processingcollagerecyclerviewkotlinandroidx
GrishinSergey/KPI-study
Jun 2016 - Feb 2017
Contributions:95 pushes, 1 branch in 8 months
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