Jaroslav Barov
@jaroslavbarov
I build frontend platforms, component libraries, and developer tooling for React product teams.
SerbiaWhat I'm looking for
At TheSoul Publishing, I built a component library from scratch to replace a legacy MUI-based design system, giving product teams shared building blocks for shipping screens.
I publish open-source Babel and SWC plugins on npm that tag rendered JSX with source locations, helping teams debug faster. I also wrote a CI-backed Babel rule that removed more than 12,000 lines of dead code, reducing bundle size and speeding builds.
I’ve strengthened frontend engineering standards by growing an ESLint ruleset to 220+ rules, introducing StyleLint, Prettier, Husky, Sentry, and strict TypeScript across a legacy React/TypeScript codebase.
Previously at HeadHunter Group, I contributed to major jQuery/XSLT-to-React/Redux and JavaScript-to-TypeScript rewrites for business-critical search services, reviewed code, partnered with designers, and mentored engineers through the HeadHunter Developer School.
Experience
Work history, roles, and key accomplishments
Senior Frontend Developer
TheSoul Publishing
Jun 2023 - Jun 2026 (3 years)
Built a new component library to replace a legacy MUI-based design system, grew ESLint ruleset to 220+ rules, published two open-source compiler plugins, and led strict TypeScript migration.
Senior Frontend Developer
HeadHunter Group
Dec 2016 - Apr 2023 (6 years 4 months)
Participated in two large-scale rewrites from jQuery/XSLT to React/Redux and JavaScript to TypeScript, reviewed code, taught at developer school, and wrote unit tests with 50-95% coverage.
Frontend Developer
Action Media Group
Apr 2016 - Nov 2016 (7 months)
Built accounting web applications focused on form validation and calculation logic.
Education
Degrees, certifications, and relevant coursework
Moscow State University of Instrument Engineering and Computer Sciences
Bachelor's Degree, International Economics
2004 - 2009
Bachelor's degree in International Economics from Moscow State University of Instrument Engineering and Computer Sciences (MGUPI), 2004-2009.
Availability
Location
SerbiaAuthorized to work in
IndiaJob categories
Skills
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