Sergei Zharnasek
Senior React Developer at StellarTech
Tbilisi, Georgia
Summary
👤
Senior🎓
Top SchoolSergei Zharnasek is a Senior React Developer with over 10 years of experience building high-performance, user-centric web applications, currently driving frontend development at StellarTech after a multi-year tenure at bp. He specializes in React, Redux and TypeScript and has led projects from requirements to production, including a drag-and-drop marketing funnel platform with real-time behavioral tracking and analytics. Sergei combines a strong mathematics and computer science foundation with practical expertise in responsive design and integrations with CRMs and ad tools to deliver measurable business impact. He excels at collaborating with cross-functional teams, enforcing code quality and maintainability, and translating complex product goals into intuitive interfaces. Notably, his work repeatedly focuses on data-driven UX—using event and session analytics to optimize conversion paths rather than just visual polish. Based in Tbilisi, Georgia, he stays curious about new frameworks and mentors peers while shipping scalable frontend systems.
10 years of coding experience
11 years of employment as a software developer
Bachelor's degree Mathematics and Computer Science, Bachelor's degree Mathematics and Computer Science at Belarusian State University
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (40)
git10
javascript10
python10
css10
gitpod10
html10
nodejs10
json9
webpack9
amd9
on-demand9
camera9
css-modules9
compiler8
splitting8
Programming languages (5)
Github contributions (5)
siarhei-zharnasek/30-seconds-of-code
May 2018 - Oct 2018
Curated collection of useful Javascript snippets that you can understand in 30 seconds or less.
Contributions:46 pushes in 5 months
jsjavascriptsnippets30-secondsjavascript-snippets
siarhei-zharnasek/lamerAn
Dec 2016 - Jan 2017
Contributions:35 pushes, 1 branch in 1 month
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