Яна

HRABAR YANA
React Native engineer with nearly 5 years of commercial experience
shipping iOS and Android apps to production. Grew from Trainee to
[відкрити контакти](див. вище в блоці «контактна інформація»)
Senior at OmnityCode, then led the mobile team at Coderfy. I own
[відкрити контакти](див. вище в блоці «контактна інформація») apps end-to-end, from architecture and data layer to native builds,
CI/CD and store releases. I also write Kotlin native modules and
Uzhhorod, Zakarpattya, Ukraine NestJS APIs, so platform-level bugs and backend contracts don’t
block the mobile team.

EDUCATION
WORK EXPERIENCE
Coderfy · Team Lead / React Native Developer · Remote ·
Uzhhorod National University Sep 2025 – Sep 2026
Faculty of IT Bachelor’s Degree in Built a production Expo app (TypeScript, Expo Router) from
Software Engineering. 2023-2027 scratch and owned it through architecture, features and
Professional Courses releases.
React Native(Advanced) Delivered booking apps for three sports clubs (Padel Point,
Svito Padel Club, Atmosfera), working directly with clients
SKILLS on requirements.
Set up release automation: EAS Build/Submit, GitHub
Mobile: React Native (Expo, CLI), TypeScript,
Actions, dev/staging/prod environments, TestFlight and
Expo Router, React Navigation, Reanimated, Google Play tracks; shipped hotfixes via EAS Update (OTA).
Gesture Handler, Lottie Integrated payments, SMS/OTP, Google and Apple sign-in,
Native: Kotlin (Jetpack Compose), Native push notifications (FCM, deep links) and WebView booking
flows with JS ↔ native messaging.
Modules, JSI/Fabric/TurboModules, Xcode,
Added Sentry and Firebase Analytics with source maps and
Gradle, permissions release tracking.
Data & state: TanStack Query, Redux Toolkit, Led the mobile team: code reviews, technical interviews
Zustand, REST, GraphQL (Apollo), during team scaling.
OmnityCode · Trainee → Junior → Middle → Senior · Remote ·
AsyncStorage, MMKV, offline-first sync
Jan 2022 – Sep 2025
Services: Firebase (FCM, Auth, Firestore,
Promoted three times; as Senior, chose the stack and
Analytics), Sentry, Google Maps/Places, designed architecture for cross-platform projects.
Supabase, Google/Apple/Facebook sign-in, Shipped Expo and React Native CLI apps for clients, plus
landing pages and web apps in React/Next.js.
in-app purchases (RevenueCat)
Wrote native modules and handled New Architecture (JSI,
Testing & quality: Jest, React Native Testing
Fabric, TurboModules) migration during RN upgrades.
Library, Detox/Maestro (E2E), ESLint, code Optimised performance of large lists and heavy screens
review with FlashList, memoisation and re-render profiling.
Wrote unit and component tests with Jest and React
Release: EAS Build/Submit/Update, App
Native Testing Library.
Store Connect, Google Play Console, GitHub
Mentored juniors, ran code reviews, automated EAS
Actions, versioning releases to the App Store and Google Play.
Also: React, Next.js, NestJS, PostgreSQL,

NativeWind/Tailwind, Claude Code, Cursor