# Youngchan J.

> Pluto Software Engineer

Location: United States, United States
Profile: https://flows.cv/youngchan

## Work Experience
### Senior Software Engineer @ Pluto
Jan 2022 – Present

### Software Engineer @ HealingPaper
Jan 2019 – Jan 2020 | Seoul
HealingPaper is the #1 medical beauty platform partnering with 2000 hospitals in South Korea and Japan with 3 million users.

- Developed a back-office web app where our in-house support team manages the Gangnam Unni users and medical doctors
- Developed an automatic sales statement managing system and reduced our in-house accountant's work by collaborating closely with the accountants and Shinhan Bank Open API engineers
- Introduced an in-app web view that can be deployed separately by collaborating with our mobile app engineers
- Developed the company blog (https://blog.gangnamunni.com) and the blog posting system in the back-office web app


Deep experience with Vue.js, Nuxt.js, Typescript, GraphQL

### Full Stack Engineer @ CLASS101
Jan 2018 – Jan 2019 | Yongsan-gu, Seoul, Korea
Class101 is an online learning platform with the classes material delivery solutions with 3.7 million users.

- Developed Class101 mobile application on Android & iOS platform with React Native
- Developed class101.net web application with React
- Testing a number of various features using Google Optimize.
- Developed web server with TypeGraphQL, Typegoose, Apollo Server
- Developed class101.net eCommerce system
- Streaming class videos about 4TB every day in HLS with AWS MediaConvert
- Developed a class editor where creators/directors can update class notes and upload videos

Deep experience with React, React Native, Typescript, MongoDB, Apollo GraphQL, GCP Firestore

### Backend Engineer @ BulkyTree
Jan 2017 – Jan 2018 | Gangnam-gu, Seoul, Korea
BulkyTree is a multiplatform game development company
 - Developed and maintaining the game server
 - Developed and maintaining self-hosted GitLab CE
 - Developed Server-side In-App-Purchase Verification with PaymentWall
 - Developed Log Management System
 - Developed Resource Patch System
 - Developed Customer Inquiry Management System

Deep experience with AWS components such as EC2, EBS, Elastic Beanstalk Platforms (Go, Python, Node), RDS (Aurora), Redshift, VPC, S3, CloudFront

### Frontend Engineer @ Nvius
Jan 2017 – Jan 2017 | Gangnam-gu, Seoul, Korea
Nvius is developing Guik, a multiplatform service suggesting mobile games
 - Played a key role in developing web platform using React, Typescript, Redux-saga
 - Developed Android platform using Java and Android Studio
 - Monitored effectiveness of SEO in terms of traffic using Google Search Console and Google Analytics


## Education
### Bachelor of Applied Science (B.A.Sc.) in Computer Software Engineering
University of Toronto


## Contact & Social
- LinkedIn: https://linkedin.com/in/youngchanje
- GitHub: https://github.com/ochanje210

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Source: https://flows.cv/youngchan
JSON Resume: https://flows.cv/youngchan/resume.json
Last updated: 2026-03-29