About

OLDROOKIE CO., LTD.’s CTO and freelance web / app developer.

I’m Yoo. Web/App Developer.

I’m live in Republic of Korea, and now I graduated at last year. Now, I’m CTO of OldRookie CO., LTD.. It is engaged in all of our development process, and the main development contents are web / app development and WebXR development. First of our content is Homepage of our company. Now days, I’m developing an app for Masterpiece, a mobile VR exhibition content using WebXR, and producing it with React Native.

I have been in charge of web development and app development at U-CRM for 2 years and half from 2013. I participated in the introduction of angular on the homepage and also participated in iOS development. In 2016, I worked for WideMobile for about 6 months and took charge of web maintenance. In addition, I participated in app development and to develop a hybrid connection between native code and javascript. I was also involved in the task of getting security certification.

At Sahmyook University, I involved in Google’s DSC (Developer Student Club) Now, I’m participate as a core member. At the same time, I was a member of likelion shamyook for 1 year. I was also able to participate in various activities here.

I am very interested in web / apps, and recently I am interested in the process of setting up a development environment and managing a project.

about skills

Here are some of the techniques I used in projects, or used to learn or have an interest.

I used in Projects.

Front-End 😎

: html, css, jquery, angular, vuejs, reactjs

Back-End 😆

: ASP.NET, nodejs+express, django, django+restframework

Infrastructure 😂

: aws(s3, rds, ec2, elastic beanstalk), gcp(cloud storage, app engine, compute engine, cloud sql), heroku, wordpress(php), git

App / Hybrid 🙌

: react-native, cordova

Lang or ETC 😍

: Javascript, C#, objective c, python, MSSQL, MySQL, MariaDB, WebXR

used to learn

jsp, spring, flutter, dart, redis, mongodb, swift, webpack, jest, jenkins

have an interest

docker, kotlin, go, deno

Projects

As I started learning development, I participated in various projects. Here are a few projects you might want to share.

Dev Projects

• Prototyping of Old Rookie’s WebXR Exhibition Project
• Old Rookie’s Company homepage
• Sahmyook University Development of festival / athletic sports events website(django + angular + aws …)
• ClickJob iOS Application(cordova, angular)

Academic / Study / Presentation

• WebXR presentation at DSC DevFest 2019
• Participation of Django Session of LikeLion SYU.
• Participation of Web Session of LikeLion SYU.
• Participation of Web Session of DSC SYU.
• Charged javascript Study in LikeLion SYU.