Erbol Mederbekov
EN/RU

> frontend.engineer

Erbol Mederbekov

Building high-performance React & React Native apps for 100K+ users.

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01Impact at scale
−70%

Load time · 6s → 1.8s

−35%

Bundle size · 170MB → 110MB

100K+

Active users · iOS + Android

50+

Production releases · Aug 2022 – 2026

02Experience

Cointelegraph

Aug 2022 – 2026
React Native Developer · Full-timeRemote
  • 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.
React NativeReactTypeScriptRedux ToolkitApollo GraphQLFirebaseSentryJavaKotlinMVVMAndroid SDK

Freelance · NDA Projects

2019 – 2022
Frontend / React Native EngineerRemote
  • 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.
ReactReact NativeTypeScriptMobXTanStack RouterWebpackreact-windowFramer MotionLeafletNivoUppyZodPWA
03Skills
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
04Focus

Mobile & Android

Led React Native development at Cointelegraph — iOS + Android, 100K+ active users, 50+ production releases. Built and shipped on both platforms end-to-end.

Android Professional Certification — Java, Kotlin, Android SDK, MVVM.

React NativeReact NavigationJavaKotlinAndroid SDKMVVM
05Contact

Open to relocation. Let's talk.

Bishkek, Kyrgyzstan · GMT+6

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