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Erbol Mederbekov

Senior Frontend & React Native Engineer

erba522442@gmail.com·t.me/erbakg·github.com/erbakg·erbakg.github.io·Bishkek, Kyrgyzstan·Open to relocation

Profile

Senior Frontend Engineer with 5+ years building high-performance web and mobile applications. Expert in React, React Native, and TypeScript. Delivered production apps for 100K+ active users — cut load time 6s → 1.8s (−70%) and bundle size 170MB → 110MB. Comfortable both in cross-functional product teams and as the sole frontend owner. Open to relocation.

Work Experience

Cointelegraph

Aug 2022 – 2026

React Native Developer · Full-time · Remote

  • Mobile MVP for crypto-news platform, iOS + Android.
  • Cut load time 6s → 1.8s (−70%), bundle 170 MB → 110 MB.
  • Shipped 50+ production releases; reached 100K+ active users.

Stack: React Native, React, TypeScript, Redux Toolkit, Apollo GraphQL, Firebase, Sentry, Java, Kotlin, MVVM, Android SDK

Freelance · NDA Projects

2019 – 2022

Frontend / React Native Engineer · Remote

  • B2B ERP — virtualized tables for 10K+ rows (react-window), multi-step forms with strict Zod validation (90+ fields), S3 direct-upload pipeline via Uppy for multi-GB files, 4-language i18n.
  • Customer CRM — interactive Leaflet maps with 500+ clustered markers, type-safe routing (TanStack Router), installable PWA with offline cache, Framer Motion micro-interactions at 60fps.
  • Banking debt-collection CRM — MobX store across 50+ entities, custom Webpack config cut bundle by 40%, real-time Nivo dashboards, 2GIS MapGL for KZ/RU geo coverage.
  • Cross-platform mobile work — React Native screens shared between iOS and Android for selected client projects.

Stack: React, React Native, TypeScript, MobX, TanStack Router, Webpack, react-window, Framer Motion, Leaflet, Nivo, Uppy, Zod, PWA

Technical Skills

Core
React 18/19, TypeScript, JavaScript ES2024
UI / Styling
TailwindCSS v4, Ant Design, Framer Motion, SCSS
Build
Vite, Webpack (custom), Rollup
Testing
Vitest, Jest, Testing Library, Storybook
State
Redux Toolkit, MobX, Zustand
Data
TanStack Query, Apollo GraphQL, Axios
Routing
React Router v6/v7, TanStack Router
Forms
React Hook Form, Zod
Monitoring
Sentry, Firebase Analytics, Firebase Performance
Tooling
Biome, ESLint, Prettier, Husky, CI/CD, Git
Mobile
React Native, React Navigation, iOS, Android
Android
Java, Kotlin, Android SDK, Android Studio, MVVM, Android Pro Certification

Education

  • Software Development
    State Professional Courses, Kyrgyzstan
  • Android Development
    Professional Certification

Languages

  • EnglishFluent
  • RussianFluent
  • KyrgyzNative