Photo of Iuliia Iusupova

Iusupova Iuliia

Frontend engineer

5+ years of experience

About me

Frontend developer with 5 years of experience.

Worked on a range of projects, from being the only frontend dev to collaborating in big teams.

Cursor, Claude Code — daily use; I know where they help and where they get in the way.

Education

Penza State University
Specialist, Medical Cybernetics
Sep 2012 – Jul 2019

Video coming soon

Core tech stack

Core stack
TypeScript JavaScript React Next.js
State management
Redux MobX NanoStore React-Query
UI & styling
Zag.js AntD Tailwind CSS-modules SCSS Less
Tooling
Storybook Webpack Vite Rollup Biome ESLint
AI tools
Cursor Claude Code

Work experience

React Developer

Optimacros

Sep 2024 – Mar 2026 · 1 yr 7 mos · Moscow, Remote

  • Developed a UI-kit: migrated components to zag-js, configured Biome linter, set up Storybook, documented components.
  • Wrote adapter components for smooth transition to new components.
  • Improved build performance — bundle size reduced by 40%, migrated linting from ESLint to Biome.
  • TypeScript
  • React
  • Zag-js
  • Biome
  • Storybook
  • MobX
  • Lerna
  • Tailwind

React Developer

Datatech Labs Middle East

Apr 2023 – May 2024 · 1 yr 2 mos · Dubai, UAE, Remote

  • Built a document management system for lawyers and accountants from scratch — sole frontend developer, responsible for architecture and implementation.
  • Designed the frontend architecture independently, from initial setup to production.
  • Built a UX-focused interface with authentication, role-based access, and multilingual support (EN / RU / AR).
  • Wrote unit tests across the codebase to ensure reliability and maintainability.
  • TypeScript
  • React
  • Vite
  • Nanostore
  • Jest
  • React testing library

React Developer

ZenCode

Oct 2020 – Apr 2023 · 2 yrs 7 mos · Penza, Russia, Remote

  • Wrote the administration section of the application from scratch.
  • Created a custom UI component library (Storybook), migrated from Rollup to Webpack, migrated tables from AntD to DevExtreme.
  • Optimized application performance, including identifying causes of table data rendering delays.
  • TypeScript
  • React
  • Micro frontend
  • Webpack
  • MobX
  • Storybook
  • CSS Modules
  • Ant Design
  • DevExtreme
  • Redux