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Frontend-програміст
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- Age:
- 22 years
- City of residence:
- Kamianske
- Ready to work:
- Remote
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Yaroslav Okrema - Frontend Developer
in Linkedin [open contact info ](look above in the "contact info" section) Telegram Пошта Dnipro, Ukraine
Summary
Frontend Developer building web and cross-platform mobile applications with React, React Native, Next.js, and
TypeScript. Experienced in e-commerce development, complex user flows, API integrations, production
debugging, performance optimization, and automated testing.
Experience
TenThousand (July 2026 – Present)
Frontend Developer
Developed and maintained features in a React Native/Expo telecom application covering SIM/eSIM plans,
subscriptions, add-ons, and checkout flows.
Migrated an existing web-based voice assistant experience to React Native, adapting call UI, live transcription,
and localization flows for mobile.
Improved localization across 24 supported languages by resolving UI inconsistencies and language-specific
behavior issues.
Midstem (January 2025 – June 2026)
Frontend Developer
Developed and maintained an e-commerce platform using React, Next.js, and Medusa, including product catalog,
cart, and checkout flows.
Developed a custom CRM/admin interface using Medusa APIs, extending functionality beyond the default
Medusa admin panel.
Improved PageSpeed score from 75 to 96 through code splitting, caching, and frontend performance
optimizations.
Implemented Playwright E2E tests covering critical user flows, including product browsing, cart, and checkout.
Integrated Sentry across Next.js and Medusa to improve production error monitoring and debugging.
Built and optimized a landing page for a mobile app, deployed it to AWS, and achieved a 100 PageSpeed score.
Skills
Core: React, React Native, Expo, Next.js (SSR/SSG), TypeScript, JavaScript, HTML5, CSS3
State & Data: Redux Toolkit, TanStack Query, REST APIs, Axios
Styling: Tailwind CSS, SCSS/SASS, Material UI, shadcn/ui, Radix UI, Styled Components
Testing: Jest, Vitest, React Testing Library, Playwright
Tooling: Webpack, Vite, Turbopack, Docker, CI/CD, ESLint, Prettier, Git, GitFlow, Sentry, React Hook Form, Zod, Figma
Languages: English (Intermediate B1), Ukrainian
Education
Dnipro National University named after Oles Honchar
Bachelor's degree in Applied Mathematics Computer modeling, and programming technologies, 2022-2026
in Linkedin [
Summary
Frontend Developer building web and cross-platform mobile applications with React, React Native, Next.js, and
TypeScript. Experienced in e-commerce development, complex user flows, API integrations, production
debugging, performance optimization, and automated testing.
Experience
TenThousand (July 2026 – Present)
Frontend Developer
Developed and maintained features in a React Native/Expo telecom application covering SIM/eSIM plans,
subscriptions, add-ons, and checkout flows.
Migrated an existing web-based voice assistant experience to React Native, adapting call UI, live transcription,
and localization flows for mobile.
Improved localization across 24 supported languages by resolving UI inconsistencies and language-specific
behavior issues.
Midstem (January 2025 – June 2026)
Frontend Developer
Developed and maintained an e-commerce platform using React, Next.js, and Medusa, including product catalog,
cart, and checkout flows.
Developed a custom CRM/admin interface using Medusa APIs, extending functionality beyond the default
Medusa admin panel.
Improved PageSpeed score from 75 to 96 through code splitting, caching, and frontend performance
optimizations.
Implemented Playwright E2E tests covering critical user flows, including product browsing, cart, and checkout.
Integrated Sentry across Next.js and Medusa to improve production error monitoring and debugging.
Built and optimized a landing page for a mobile app, deployed it to AWS, and achieved a 100 PageSpeed score.
Skills
Core: React, React Native, Expo, Next.js (SSR/SSG), TypeScript, JavaScript, HTML5, CSS3
State & Data: Redux Toolkit, TanStack Query, REST APIs, Axios
Styling: Tailwind CSS, SCSS/SASS, Material UI, shadcn/ui, Radix UI, Styled Components
Testing: Jest, Vitest, React Testing Library, Playwright
Tooling: Webpack, Vite, Turbopack, Docker, CI/CD, ESLint, Prettier, Git, GitFlow, Sentry, React Hook Form, Zod, Figma
Languages: English (Intermediate B1), Ukrainian
Education
Dnipro National University named after Oles Honchar
Bachelor's degree in Applied Mathematics Computer modeling, and programming technologies, 2022-2026
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The candidate's resume is posted at https://www.work.ua/resumes/18989601/