Mykyta Sizyntsev
Android Principal Engineer at Y TREE
Dnipro, Dnipropetrovsk Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolMykyta Sizyntsev is a Principal Android Engineer with 11 years of mobile experience and six years focused on FinTech, currently leading end-to-end Android development at Y TREE. He drives architectural direction, operational standards, and OKR-aligned roadmaps while championing quality through CI/CD, testing, and disciplined tech-debt management. At Y TREE he spearheaded a full migration to Jetpack Compose and Material 3, improving performance and developer productivity through strategic technical migrations. A hands-on mentor and teacher with a background in delivering commercial apps and running Android courses, he blends practical coaching with product-facing engineering. His academic grounding in information security complements his emphasis on reliable, maintainable systems and emerging integrations like AI to enhance workflows.
11 years of coding experience
7 years of employment as a software developer
Master Computer and Information Systems Security / Information Security, Master Computer and Information Systems Security / Information Security at Dnipro University of Technology
Stackoverflow
2,514reputation
284kreached
75answers
26questions
android
top-5%
Github Skills (52)
kotlin10
matcher10
testing10
verification10
java10
tdd10
dependency-injection10
sharedpreferences9
unit-testing9
mocking9
android9
gradle-plugin8
aes-gcm8
bottombar7
encrypt7
Programming languages (3)
Github contributions (5)
Ufkoku/CipherSharedPrefs
Mar 2017 - Nov 2019
Library implements encrypion layer for SharedPreferences. Also added some additional features
Contributions:2 releases, 20 commits, 3 PRs in 2 years 7 months
cryptographyadditionalaes-gcmsharedpreferencesencryption
Ufkoku/AndroidMVPHelper
Nov 2016 - Jun 2018
Contributions:24 releases, 68 pushes, 2 branches in 1 year 7 months
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