Sergii Zagriichuk
Chief Technology Officer at NDA
Vinnytsia, Vinnytsia Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolSergii Zagriichuk is a seasoned technology executive and CTO with over two decades of experience architecting and modernizing high-load, distributed platforms for global product companies and startups. He excels at aligning technology strategy with business goals, driving cloud-native transformations, and standardizing engineering practices across multi-team organizations. At Playtika he reshaped architecture governance and migration roadmaps for flagship products, and now leads company-wide tech strategy and metrics-driven governance as CTO. Known for pragmatic engineering leadership, Sergii combines hands-on systems design (from microservices to performance optimization) with measurable cost and ROI improvements. Based in Vinnytsia, Ukraine, he’s equally comfortable mentoring cross-functional teams and translating complex technical challenges into sustainable business advantage. An early practitioner of modular “machines as a service” patterns, he brings a long record of turning monoliths into scalable, observable platforms.
12 years of coding experience
17 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Russian, Ukrainian
Stackoverflow
5,389reputation
1.3mreached
159answers
28questions
swing
top-5%
java
top-5%
arraylist
top-5%
Github Skills (22)
java9
arraylist9
swing9
netflix7
spring-boot7
spring7
jooq6
sql6
jtable6
sqlite6
bytebuffer6
datetime6
converter6
java-api5
api5
Programming languages (1)
Github contributions (5)
szagriichuk/kickbox
Aug 2015 - Apr 2022
Contributions:17 commits, 1 PR, 16 pushes in 6 years 9 months
kickboxjavaapijava-api
szagriichuk/search-api
Jul 2013 - Apr 2022
Contributions:7 commits, 2 pushes in 8 years 11 months
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