Артем

Artem Kravtsov
Frontend Developer & React Native

📍 Kyiv, Ukraine
📧 [open contact info](look above in the "contact info" section)
💬 Telegram: @akravzovv
🔗 LinkedIn: [open contact info](look above in the "contact info" section)
Summary
Frontend Developer & React Native with 5 years of commercial experience building web and mobile
applications. Started with React and Next.js and later specialized in React Native. Experienced in
developing applications from scratch, creating native iOS and Android modules, integrating
payment systems, subscriptions, biometric authentication, analytics, and delivering
production-ready applications for the App Store and Google Play. Also experienced with backend
development using Node.js, Express.js, PostgreSQL, Redis, including building REST APIs and CRUD
operations.

Core Skills
• JavaScript, TypeScript

• React, React Native, Next.js

• Node.js, Express.js, PostgreSQL, Redis

• Redux Toolkit, React Query, Zustand

• REST API, WebSocket

• iOS, Android, Objective‑C, Swift, Java, Kotlin

• Stripe, In‑App Purchases (App Store & Google Play), Purchasely

• Firebase, Amplitude, Sentry, SQLite

• Git, Jira, Figma, Xcode, Android Studio

• Claude, ChatGPT, DeepSeek

Professional Experience

Frontend Developer / React
NDA | 2021 – 2022

Frontend Developer / Next.js / React Native
ABZ Agency | 2022 – 2026

Highlights

• Built multiple React Native and Next.js applications from scratch through production release.

• Developed responsive web interfaces with React and Next.js alongside cross-platform mobile
applications using React Native.

• Designed reusable architecture, scalable UI components, and shared business logic across web and
mobile projects.

• Developed backend services with Node.js and Express.js, including REST APIs and CRUD
operations with PostgreSQL.

• Worked with PostgreSQL for relational data storage and Redis for caching and fast-access data.

• Created native iOS and Android modules using Objective-C, Swift, Java, and Kotlin.

• Implemented platform-specific features including DNS Proxy, Call Blocking Extension, SMS Filter
Extension, Android Accessibility Services, and biometric authentication (Face ID, Touch ID,
Fingerprint).

• Integrated REST APIs, WebSockets, Stripe, Purchasely, and In-App Purchases (App Store & Google
Play).

• Integrated Firebase, Amplitude, Sentry, push notifications, deep links, and SQLite.

• Optimized application performance and resolved complex platform-specific issues.

• Published and maintained applications in the App Store and Google Play.