Андрій

Dryha Andrii
Fullstack Developer (React, Node.js,
Personal info React Native)
Location Full-stack JavaScript/TypeScript developer with commercial
Sloviansk, Donetsk region, Ukraine experience building web and mobile applications using React,
Phone Next.js, React Native (Expo), and Node.js. Experienced in
[open contact info](look above in the "contact info" section) developing scalable systems from scratch, integrating third-
Email party services (payments, AI, analytics), and deploying
[open contact info](look above in the "contact info" section) production-ready applications (web and mobile).
GitHub
https://github.com/DryhaAndrii
LinkedIn Education
[open contact info](look above in the "contact info" section)
2362442b7 Computer Science, Bachelor's Degree (2018 - 2022)
Portfolio Donbass State Engineering Academy
https://dryhaandrii.github.io/Portfolio/

Experience
Skills
Technologies/Frameworks:
Axels
Languages: JavaScript, TypeScript Fullstack Developer (React / React Native)
Frontend: React, Next.js, React 06/2025 – 05/2026
Responsibilities & Achievements:
Native (Expo), Redux, Tailwind CSS
Backend: Node.js, Express.js, Built web and mobile applications from scratch (React, Next.js, React Native with Expo) - from project
setup to production deployment
NestJS, REST API, GraphQL, JWT Developed and maintained backend services (Node.js, Express/NestJS, REST API, GraphQL)
Implemented authentication systems (Firebase, Supabase, OAuth with Google and Apple)
Data & Caching: PostgreSQL, Integrated subscription payments from scratch (full flow: backend, frontend, validation, user state)
MongoDB, Redis, IndexedDB, Configured CI/CD and deployment (Vercel, Expo EAS, App Store, Google Play)
Implemented caching and offline-first logic (TanStack Query, IndexedDB, LocalStorage, PowerSync)
TanStack Query Built demo/offline modes with client-side data persistence and sync strategies
Integrated third-party APIs (finance/crypto data, AI services, ElevenLabs voice synthesis)
Auth & Integrations: Firebase, Automated code review via AI integration in GitHub Actions (PR comments and feedback)

Supabase, OAuth (Google, Apple), Implemented email workflows (verification, password reset, notifications)
Developed onboarding flows and guided user tours
Payments, Email services Built admin panels for user and data management
Added analytics and tracking (Hotjar) and integrated Google Ads (web/mobile)
Tools: Git, Vercel, Expo (EAS), CI/CD Optimized applications for SEO (Google, Bing) and performance

(GitHub Actions), Jest, React Testing Implemented i18n, dark/light themes, responsive and adaptive UI
Wrote unit and integration tests (Jest, Vitest, React Testing Library)
Library, Hotjar Developed data export functionality (Excel generation via backend, Redis usage)

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Languages Fullstack Developer
06/2024 – 04/2025
English Responsibilities & Achievements:
Developed SPA applications using React and Redux
Intermediate (B1)
Integrated frontend with backend APIs and databases
Ukrainian Improved performance and fixed critical bugs in production systems
Built responsive and adaptive user interfaces
Native
Participated in feature development and code reviews within the team