Resumé

Overview

Hangyeol Jeon (전한결)

• Computer Software Engineering Student
• Email junhg0211@gmail.com
• GitHub junhg0211

Software engineering student focused on building interactive systems and developer tools. Experienced in TypeScript, SvelteKit, Node.js/Bun, and self-hosted infrastructure, with hands-on experience building web applications, language tools, and data visualizations.

Education

• Soonchunhyang University, B.S. in Computer Software Engineering, 2022 - Present with Expected Graduation in 2028
  • GPA: 4.07 / 4.5
  • Relevant Coursework: Data Structures and Algorithms, Operating Systems, Computer Networks, Database Systems, Software Engineering, Machine Learning, Artificial Intelligence, Computer Graphics, Engineering Mathematics, Probability & Statistics, Advanced ICT English
• Dongtan High School, High School Diploma, 2019 - 2022
  • Relevant Coursework: Mathematics I–II, Probability & Statistics, Geometry, Physics I–II, Chemistry I–II

Projects

Gaia: Collaborative Infinite Canvas for Worldbuilding

• GitHub
• Svelte, Electron, WebSocket

Built a desktop infinite-canvas application for collaboratively managing fictional worlds. Implemented LAN-based real-time synchronization using WebSockets and custom drawing operations including flood fill and outline rendering.

Textarea-Vim: Vim-like Editing Engine for Web Textareas

• GitHub, Live Preview
• TypeScript, JavaScript

Built a Vim-like editing engine for web textareas, enabling users to navigate and edit text using Vim keybindings. Implemented features such as normal mode, insert mode, visual mode, and command-line mode, along with support for yanking, pasting, and searching text. The project is designed to be easily integrated into web applications, providing a familiar editing experience for users who prefer Vim-style text editing.

Sat Wiki: Git-based Personal Wiki Engine

• Live Preview, GitHub Repository for the Wiki Engine, GitHub Repository for the Wiki Content
• Hugo, Obsidian, GitHub Actions

Built a personal wiki engine that uses Git for version control and Hugo for static site generation. The engine allows users to create and manage a personal knowledge base with support for markdown files, backlinks, and custom templates. Implemented automated deployment using GitHub Actions, enabling users to easily publish their wiki to a web server or hosting platform.

Zÿrdl: Wordle for the Zasokese Constructed Language

• GitHub, Live Preview
• HTML, CSS, JavaScript

Built a web-based word-guessing game inspired by Wordle, designed for the Zasokese constructed language. Implemented game logic, user interface, and scoring system, allowing players to guess Zasokese words within a limited number of attempts. The project serves as both a language learning tool and a fun way to engage with the Zasokese language community.

Technical Skills

• Languages: TypeScript, JavaScript, Python, SQL
• Frameworks & Runtime: SvelteKit, Node.js, Bun, Electron
• Databases: MariaDB, SQLite, MySQL
• Infrastructure: Linux, Caddy, GitHub Actions, self-hosted services
• Tools: Git, GitHub, Neovim, Figma, Blender, Affinity

Experience and Activities

• Soldier, Republic of Korea Army, 2024 - 2025
  • Served in the Republic of Korea Army, developing strong teamwork, discipline, and leadership skills.
  • Operated military vehicles and supported transportation and logistics operations.
  • Participated in training exercises and field operations, strengthening problem-solving skills and adaptability in high-pressure environments.
• Technical Support Volunteer, Gangwon 2024 Winter Youth Olympic Games, 2024
  • Provided technical support for event IT infrastructure and assisted with on-site troubleshooting.
  • Collaborated with a team to ensure the reliable operation of technology systems throughout the event.
  • Developed practical experience in technical problem-solving and event operations in a fast-paced environment.
• Student Representative, Dongtan Jungang E-eumteo Center Steering Committee, 2021
  • Represented the student body on the steering committee, contributing to planning and decision-making for center activities.

Languages and Interests

• Languages: Korean (Native), Japanese (Intermediate), English (Intermediate)
• Interests: Open-source software development, computational linguistics, constructed languages, interactive systems, developer tools, data visualization, community engagement, and technology education.