Hi, I'm

Jiayi Ren

I'm a Software Engineer with a passion of building excellent softwares to solve problems

JavaScript
Java
Python
TypeScript
React
Redux
jQuery
HTML
CSS
Sass
less
styled-components
RESTful
Spring
NodeJS
ExpressJS
PostgreSQL
Cypress
JUnit
Material-UI

ezInvoice

one stop to create, send, manage invoices and estimates
JavaScript
React
Redux
ExpressJS
Material-UI
Auth0

Solo Project EzInvoice offers centralized invoicing management. It provides pdf preview, download, and cloud saving to Google Drive or Dropbox.

Apollo

help leadership guide the vision and delivery of the team
Java
Spring
JavaScript
React
Redux
AntDesign
Okta

Full Stack Software Engineer This a team management solution that promotes an agile flow during project development. I modeled cored database structures and built several key endpoints flow. In addition, I developed reusable modal components for the frontend.

Pokedex

a mini encyclopedia of Pokemons
JavaScript
React
Redux

Solo Project This is a mini encyclopedia of one of my favorite childhood games, Pokemon. It is built with the PokeApi.

Game of Life

a cellular automaton devised by the British mathematician John Horton Conway in 1970
JavaScript
React

Solo Project This is a recreation of original John Conway's Game of Life.

Water My Plants

remind users when it's time to feed that foliage and quench your plants' thirst
Java
Spring
RESTful

Backend Software Engineer This is one of one-week build projects during Lambda School. I was sole responsible from designing, developing, and testing the backend API.

Spotify Song Suggester

help users find and visualize songs that fit their personal taste
JavaScript
React
React Context

Frontend Software Engineer I built this with several developers within one-week. The idea was to recommend songs based on the songs from user's favorite list. I designed the UI and implemented most of frontend components..

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