Summary

Expertise

Project Highlights

Agency

OY

English:

Upper Intermediate

Oleksii Y.

vetted by Youteam

Vetted by YouTeam

Ukraine

UTC +02:00

Ukraine/Kyiv

English:

Upper Intermediate

Software engineer with 5+ years of experience

I possess deep knowledge of React Native, Redux, JavaScript, and TypeScript. My strong analytical, troubleshooting, and problem-solving skills enable me to work independently, handle multiple tasks simultaneously, and adapt quickly to changes. I thrive on engaging and challenging projects

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Check if Oleksii is available

Expertise

Years of commercial development experience

6 years of experience

Core technologies

React Native 5 years
JavaScript 5 years
React.js 4 years
TypeScript 4 years
GraphQL 3 years

Other technologies

GitHub
JIRA
WebRTC
Xcode
Git
Redux
Asana
Mixpanel
TestFlight
Bitbucket
Figma
VS Code
SwiftUI
REST Api

Project Highlights

icon
React Native developer

Security app

An innovative security app that provides access to your home or residential area. It functions like an intercom but with enhanced features, such as answering incoming video calls and granting access from anywhere using any device with an internet connection.

Responsibilities & achievements

- Development of UI and business logic. - Integration of incoming video calls. - Project setup and publishing to TestFlight.

JavaScript
React Native
Swift
Firebase
icon
React Native developer

Fitness App

The main feature is allowing users to set personalized training programs that adapt to their fitness level and available equipment. The app connects to smartwatches via BLE, analyzing heart rate during exercises to adjust the intensity, with a focus on optimizing running workouts.

Responsibilities & achievements

• Development of UI and business logic; • Improving application performance; • Integration In-App purchases; • Publishing to Play Market / AppStore to production.

JavaScript
React Native
Asana
GraphQL
icon
React Native developer

CRM App

This application was designed for managers to oversee company products, customers, and more. It primarily targets the Android platform, with support for iOS and adaptation for tablet use.

Responsibilities & achievements

• Development of UI and business logic; • Integration background GPS tracking. • Implementation of cross-platform functionalities using React Native.

JavaScript
JIRA
React Native
Redux
Bitbucket
REST Api
icon
React Native developer

Cost and Time Calculator App

A mobile application for Android and iOS platforms that allows users to calculate the money and time spent on the development of any project.

Responsibilities & achievements

- Developed business logic - Developed UI - Designed app arcitecture

JavaScript
React Native
Redux
Bitbucket
REST Api
icon
React Native developer

Internal Social Network for Italian Business School

A mobile project, adaptive to both Android and iOS platforms, designed for a business school in Italy. This internal social network includes features such as JWT token-based authorization, news listing, forums, chats, and community interactions.

Responsibilities & achievements

- Develop the UI and business logic for the mobile application. - Create project architecture for both the mobile and back-end sides using Firebase. - Publish the application to the Play Market and App Store for production.

JavaScript
React Native
Apollo
Redux
Bitbucket
Redux-saga
Firebase

Agency

Development agency #31

400+

GMT-11

Remote

Want to hire this engineer?

Check if Oleksii is available