HADMARINE

Education

• (2019.03 ~ 2022.02) Sunrin Internet High School, Software department
• (2023.11 ~ Now) Ecole 42

Employment History

• (2020.01 ~ 2020.10) Interbrid Inc. Worked as Team Lead of Service Development Team
  • Developed platform server with Node.JS
  • Developed platform page, admin web system with React and Vue.
  • Deployed on AWS using CloudFront, EC2 Auto Scaler, Load Balancer
  • Deployed React-Native app on both Android and iOS
  • Automated Testing/Deploying thanks to CircleCI
• (2023.01 ~ 2023.10) Platform service company
  • Developed platform server with Nest.JS
  • Developed webpage with Next.JS

Language

• Korean : Native
• English : Can speak nearly as native speaker
• French : Can speak as DELF B2 level / Courant - DELF B2

Projects

Open-Source development

• express-quick-builder (NPM) - Builds express backend server with one simple function and provides decorators for building endpoints as fast as light.
• eqb-request-client (NPM) - Axios Wrapped HTTP requset client works with express-quick-builder based server
• clear-logger (NPM) - Logger easy to use. Includes stack-tracer (using js inhouse Error obj)
• QuickCert (NPM) - Manages Certificates, private keys as quick as light with cli intergrated!

Open-Source contribution

• create-react-app
  • Resolved build issue caused by incongruity between webpack and Node 17 [PR] [Commit]

Projects worked as staff

• 2021-sunrinthon-backend (github) - Developed Backend service and managed Infrastructure based on Amazon Web Services. Used self-made package (Express-Quick-Builder) as fundamental server generator framework.

Personal Projects

To be updated

Skills

Languages

• Javascript, Typescript (Advanced level)
• Rust
• C/C++
• C#
• Java, Kotlin
• Python (Machine learning using Keras/Tensorflow)
• Shell scripts (.sh), CMD scripts (.cmd)
• HTML/CSS

Web Front-End

• React with Flux design using MobX/Redux
• Next.js / VITE

App Development

• React-Native (Have an experience of developing and releasing production application)

Web Back-End

• Express + Typescript Backend API server with Nest.JS
• C# ASP.NET Backend server (MVC Architecture)
• C++ HTTP / WebSocket Server

Dev-Ops

• Have an experience on AWS, OCI (Oracle Cloud Infrastructure)
• CI/CD using CircleCI / AWS CodePipeline
• Non-disruptive update service with AWS L2 Load Balancer + AWS Auto Scaling + AWS Codepipeline
• Deploy web app on AWS S3
• Using Ubuntu as main Linux distro
• Docker
• NGINX
  • Apply HTTPS Certification
  • Reverse proxy
  • Web page serving
• AWS Document DB
• Cloudfront CDN Deployment

Testings

• Jest, Mocha
• Rust integrated test

CLI / Pipeline Development

• Yargs
• Gulp

Tracking tools

• Track user event via Google Analytics

Math

• Can solve some calculus problems
• Know Linear Algebra, and use the concept to solve problems.

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