C V

Posted Apr 25, 2025

By Hyeonsu Kim

3 min read

C V

Hyeonsu Kim 김현수

GitHub: skykhs3

Linkedin: default

Email: skykhs3@naver.com

1. Work Experience

Bagelcode

Backend Developer / Club Vegas Studio server

My contributions
I developed a game backend API server, an in-house administrator website frontend, and a payment website frontend.
More Details

February 2024 ~ August 2024
Expressjs, NestJS, Typescript

2. Organization

SPARCS-KAIST

Backend Developer / Clubs Beta
September 2024 ~ August 2025
NestJS

App Developer / New Ara
September 2020 ~ January 2024
Flutter

More Details

ICISTS-KAIST

Public Relations Department
Tech Department
March 2019 ~ August 2020
The 1st GRAFFITI Festival
YouTube channel

3. Education

KAIST ( Korea Advanced Institute of Science and Technology )

KAIST School of Computing / Undergraduate
February 2019 ~ August 2025
South Korea, Daejeon

Gyeonggi Science High School for the Gifted

February 2016 ~ January 2019
South Korea, Suwon

4. Projects

4.1. Official Projects

New Ara

This is the official community app for KAIST students supported by KAIST.

Role and Responsibilities:
I participated as an app developer using Flutter and collaborated with another team member to handle all aspects of the process, from planning to deployment.
More Details

Technologies I Used:

Reference

Jeong Seok Engineering

This is the company introduction website I received outsourcing.

Role and Responsibilities:
I designed and developed it by myself. I developed the introduction webpage using Next.js and Tailwind CSS, focusing on both front-end design and performance optimization.

Technologies I Used:

Reference

4.2. Toy Projects

Naver Email Summarizer

It gives you a tooltip to preview the contents of the email and summarizes the contents of the email.
It uses Chrome Extension.

Reference

TypeScript & Express Tutorial (KOR)

I created a website and materials where students can learn Typescript and express.

Reference

Solar-See

Solar-See is an AI-powered gaming and map service developed to discover undetected solar panels and thereby increase the accuracy of power demand forecasting.

Role and Responsibilities:
I developed main backend, deployed the services, and fine-tuned an image segmentation model.
More Details

Technologies I Used:

Reference

Volunteering in ICT Education

KAIST Global Student Volunteers / Leader of the Arduino Education Team

January 2024

Yayasan Pendidikan Santo Lukas Penginjil, Jakarta, Indonesia

YouTube Content

I participated in a coding YouTube content for teenagers with YouTubers 미미미누 and 조코딩. We created an artificial intelligence service that makes phone calls and sends notifications to vulnerable elderly people.

December 2024

4.4. Hackathon Projects

Yeok Pacar - Gangnam-gu Parking Platform

This is a Gangnam-Gu parking platform app developed during a hackathon.

Role and Responsibilities:
I worked as an app developer, building the parking platform using Flutter and integrating Naver Map API.

Technologies I Used:

Reference

Repository

4.5. KAIST Mad Camp

Battle Pants

This is a platformer game allowing up to 4 players to join.

Role and Responsibilities:
I developed the game mechanics and multiplayer features using Unity and Photon Server

Technologies I Used:

Reference

Repository

Flowlink

This is a voting platform in the classroom.

Role and Responsibilities:
I worked on both front-end and back-end development for the voting platform using Flutter, Express.js, and MySQL.

Technologies I Used:

Reference

Repository

Morning Buddy

This is an alarm app

Role and Responsibilities:
I developed an Android alarm app using Kotlin.

Technologies I Used:

Reference

Repository

5. Competitions

Gold Medal in the 2016 Korea Olympiad in Informatics

3rd place in the final round

Bronze Medal in the 1st Nexon Youth Programming Challenge

2016 NYPC

6. Certifications

TOEFL 83 (December 16, 2023)
TOEIC Speaking Test Intermediate Mid 2 (Speaking Score 120) (Sep 8, 2024)

7. Tech Stack

Upper Intermediate

Flutter
Express.js
C++

Intermediate

NestJS
React
Next.js
Tailwind CSS
MySQL

Beginner

Django
Unity
AWS
MongoDB

8. Military Service

Republic of Korea Air Force

February 2021 ~ January 2023

This post is licensed under CC BY 4.0 by the author.