Position: React Native Developer
Category: JavaScript
English level: intermediate
Years of experience: 3


- 06/2021 - 11/2022
Senior React-Native Developer								   
Gradus Research
First sociological research company in Ukraine to conduct surveys in its own mobile application
Worked on a team of four people to develop a mobile app for Android and iOS to allow researchers to send out surveys, immediately pay survey participants, and review demographics to ensure representative national sample within 24 hours.
Refactored class-based components into function-based components to maintain app functionality across change in React structure.
Applied React Hooks, improved code by adding TypeScript, and added localization and Firebase Analytics business logic.
Animated design elements using animation library React Native Reanimated v2 and updated design of all screens with the pixel-perfect concept in mind and using technologies such as Styled-Components.

- 03/2020 - 06/2021
React-Native Developer									   
Dual Education Ukraine
Start-up company in IT services and IT consulting with approximately 25 employees
Developed a mid-large scale mobile app called “Pro Weightlifting” which offered training plans, diet plans, and video-based personal training for professional and nonprofessional weightlifters.
Developed reusable UI components, managed app state using Redux.
Built diet and notes screens from scratch using React, Redux, TypeScript, and React Hooks.
Published the project in AppStore and Google Play.
Worked across a team of five members and collaborated with designers.
Migrated from React.js to React Native library and achieved proficiency in React Native within one month.