Jay Y.

Jay Y.

Front-end React Native developer

Request Rate
China, Shenyang

Jay is an ambitious, self-motivated software engineer with a strong technical background and self-discipline. He is a good team player who thrives on writing robust, easy to scale and reusable code. Focused on implementing the solution in the best non-ego driven way, eager to learn and absorb new ideas with ease. Respecting experienced developers and knowledge, readily admitting to mistakes, never judging others mistakes in a personal way. Believing in challenging ideas as possible is the best way to provide quality software.

Skills

  • Javascript
  • React Native
  • React
  • Git
0246810

Experience

IT Services and IT Consulting Company, United States, California, Oakland

React Native Developer

August 2018 to April 2022

Stack:  

  • React Native, 
  • Redux, 
  • TypeScript, 
  • Git, 
  • Figma, 
  • JavaScript, 
  • AWS, 
  • Plaid, 
  • Apex, 
  • Twilio, 
  • SendGrid, 
  • Stripe, 
  • OneSignal.



Responsibilities

  • Accessed project requirements using Agile/Scrum principles that helped prioritize developing activities;
  • Estimated performance for different state-managers libraries and further using the most performance state-manager, that allowed execute heavy app interactions without speed losing either on outdated devices;
  • Implemented Design System from scratch that allows developers and designers reach consistency in entry point;
  • Helping new team members with react native ecosystem, that allows company to grow developers level from middle to senior.


Real Estate Company

React Native Developer

January 2017 to August 2018

Stack:  

  • React Native, 
  • Redux, 
  • MobX, 
  • TypeScript, 
  • React Navigation, 
  • Git, 
  • JavaScript.



Responsibilities

  • Full Stack development of ERP system for business automatization;
  • Wrote documentation for backend api with availability to execute requests inside documentation, that improved frontend development. Also it allowed testing api from documentation;
  • Implemented static type definitions, that allowed to write faster more quality code and also improved developing speed by static code analysis inside IDE;
  • Refactored to improve services that work with legacy databases, that increased speed of data loading inside the app.


Freelance Platform

Javascript Engineer

May 2014 to November 2016

Stack:  

  • Javascript, 
  • React, 
  • HTML, 
  • CSS.



Responsibilities

  • I started by self-learning JavaScript as the basics of React;
  • I did some basic website building by HTML, CSS, and JavaScript, as well as simple ReactJS web apps.


Education

Bachelor degree in Computer Science, Shenyang University of Technology

September 2010 to July 2014

Shenyang, China

Portfolio

iOS & Android App/ Loan365
April 2020 - December 2021
iOS & Android App/ Loan365
April 2020 - December 2021

Description: 

Loan365 is a fast-growing lender due to the high level of customer service customers receive. I was involved in this project as a senior react native developer on a team of 10+ developers.

We have used React Native to build both iOS and Android applications. 


The main goal of this project for customers is to keep track of their loan, which let you: 

– Make a loan payment using a debit card or PayPal;

– View your loan accounts and payment history;

– See whether further loans might be available to you and Apply for further credit.



Technologies used:
React, React Native, AWS, Redux, Amazon S3, BrowserStack
iOS App/ (80/20 Plants)
October 2018 - January 2020
iOS App/ (80/20 Plants)
October 2018 - January 2020

Description: 


80/20 Plants is a leading plant-based coaching service that moves people and the planet to a better future. I was a React Native developer in a team of 5+ developers.

We were able to deliver approachable and fun one-on-one coaching, along with community and practical education, that is accessible to anyone motivated to thrive on plants.


Technologies used:
React Native, Redux-Saga, GraphQL, Material design
iOS & Android App
January 2017 - August 2018
iOS & Android App
January 2017 - August 2018

Description:


This App helps real estate investors get more deals for less money with software for lead generation, lead filtering and targeting, marketing and outreach, and acquisitions and dispositions. I was a React Native developer on a team of 20+ developers.

I was responsible for refactoring the code to implement best practices and to bring the project to MVP stage. This project was built using React Native.


Technologies used:
React Native, MOBX