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Andrii – React, React Native, Typescript, experts in Lemon.io

Andrii

From Ukraine (GMT+3)

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Mobile DeveloperSenior
Hire developer
6 years of commercial experience
Automotive
Business intelligence
Consumer goods
E-learning
Edtech
Media
Productivity
Project management
Retail
Sports
Media players
Mobile apps
Platforms
Video streaming software
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Andrii – React, React Native, Typescript

Andrii is a focused and dedicated Senior Mobile Developer developer with over 6 years of experience. During his career, he has immersed himself deeply in React Native and related libraries and frameworks, demonstrating a strong understanding of JavaScript fundamentals and TypeScript. Andrii possesses solid problem-solving skills and has hands-on experience with classic React and React Native ecosystems, including Redux, Redux-Saga, and styling. With his adaptable nature, Andrii is capable of excelling in various project configurations, whether as an individual developer or a team member.

Main technologies
React
5 years
React Native
5 years
Typescript
3 years
Additional skills
Apollo GraphQL
CSS
HTML
Git
Redux
REST API
React Hooks
Apollo Client
Canvas
Datadog
OneSignal
Meteor
Expo
Stripe API
Sentry
MobX
Firebase
Google API and Services
Google Analytics
Redux Toolkit
Google Ads
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Tech lead
Dec 2020 - May 20232 years 4 months
Project Overview

App for grounding and purchasing of vehicles

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Responsibilities:
  • Developed project from scratch
  • Built the app architecture and designed system components
  • Reviewed the code of the peers
  • Implemented configurable form, where each field displayed as it is defined on the admin panel
  • Implemented a flexible Multi-Brand platform that can easily be adapted for a new brand
Project Tech stack:
React Native
Typescript
Redux
Reduxjs-toolkit
Firebase ( push-notifications
analytic
config )
Canvas-Signature
i18next
Senior Mobile Developer
May 2020 - Dec 20207 months
Project Overview

The platform gathers all televised and streamed games from the largest networks in the US and Canada. The app covers Basketball, Baseball, Ice Hockey, Football, Soccer, Tennis, Golf, Fighting and Motorsports Customers can:

  • Choose favorite teams or leagues in the app for quick access
  • Add games directly to the calendar on their device.
  • See TV and streaming schedules for live sporting events
  • Access full schedules with TV and streaming info for the most popular sports
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Responsibilities:

Responsibilities:

  • Optimized application performance
  • Dramatically improved start-up time of application
  • Communicated directly with the customer to change some app functionality for better performance & user experience
  • Rewrote code structure
  • Deployed to the stores (App Store and Google Play)
  • Implemented new features
Project Tech stack:
React Native
Typescript
Google API and Services
Google Ads
Google Analytics
Redux Toolkit
Middle Mobile Developer
Jan 2020 - Jun 20204 months
Project Overview

Personal working platform

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Responsibilities:

Responsibilities:

  • Developed project from the beginning
  • Built the architecture of the project
  • Implemented flexible, easy-to-expand logic on screens
  • Reviewed the code of the peers
Project Tech stack:
React Native
Typescript
MobX
Middle Mobile Developer
Dec 2018 - Jan 20201 year 1 month
Project Overview

Project management solution

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Responsibilities:
  • Performed monthly deploys to the stores (App Store and Google Play)
  • Communicated directly with the customer
  • Reviewed the code of the peers
  • Rewrote parts of legacy code
  • Migrated existing project to TypeScript
  • Supported existing project
Project Tech stack:
React Native
GraphQL
OneSignal
Apollo Server
Client
Meteor.JS
Sentry
Datadog
React native testing library
Middle Mobile Developer
Jul 2018 - Dec 20185 months
Project Overview

Mobile Application for Mentoring and Advising

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Responsibilities:
  • Estimated application development time
  • Created an approach for handling errors in the application as whole
  • Get images for the profile from the user camera or gallery
  • Developed project from the beginning
  • Communicated directly with the customer
Project Tech stack:
React Native
GraphQL
Apollo Client
OneSignal
CodePush
React Hooks
Segment Analytics
i18next
Stripe API
Software Developer
Apr 2018 - Jul 20183 months
Project Overview

Discount on different things for IT workers

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Responsibilities:
  • Developed project from scratch
  • Deployed to the stores (App Store and Google Play)
  • Protected the application from multiple uses on different devices
  • Added payment method LiqPay
Project Tech stack:
Expo
Redux
React Hooks
REST API
Native Base

Education

2019
Electrical Engineering
Master's
2019
Electrical Engineering
Master's

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