Nikolai Marchenko
Software Engineer
Belgrade, Central Serbia, Russia
Summary
👤
Senior🎓
Top SchoolNikolai Marchenko is a seasoned frontend engineer with 12 years of experience building performant, accessible, and mobile-first web applications using React, TypeScript, GraphQL and modern tooling. He has a strong track record in fintech and B2B platforms—leading design system efforts, slashing page load times, and shipping hundreds of reusable components that measurably improved conversion and engagement. At Xometry Europe he rebuilt a customer account interface from scratch and drove a 32% uplift in conversions while adapting products for new Asian markets. Nikolai blends hands-on coding with architecture and refactoring expertise, often rescuing legacy codebases and accelerating delivery through better standards and tooling. Based in Belgrade with roots in Russia, he pairs engineering rigor from an engineering degree in automated control systems with a pragmatic focus on UX and business impact.
12 years of coding experience
9 years of employment as a software developer
Engineer's degree, programming automated control systems, Engineer's degree, programming automated control systems at Krasnodar College of Electronic Instrumentation
English, Russian
Github Skills (94)
prefixes10
bundler10
browserify10
html-webpack-plugin10
javascript10
django10
plastic10
json10
translation10
amd10
commonjs10
code-splitting10
dictionary10
splitting10
css-modules10
Programming languages (6)
Github contributions (5)
neonick/neonick.ru
Jun 2016 - Jul 2024
Contributions:17 pushes, 1 branch in 8 years 2 months
neonick/gagarin
Apr 2015 - Aug 2018
Contributions:137 commits, 130 pushes, 1 branch in 3 years 5 months
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