JS Park

Front-End Developer & Designer

Hello! Please call me JS. I work at Bookipi as a front-end developer. I am currently maintaining our design system, which is used by over 70 members of the development team. I also handle regular front-end development tasks, implementing major features and flows for our accounting products with a total of 80k paid users. My work ranges from modern front-end development to UI/UX, graphics and creative coding. On the side, I've also worked on various media art projects, focusing on experimental web features and interactions.

Experience

  • Front-End Developer
    Bookipi (2023-PRESENT)
  • Member of Web Experiement Group
    HHHA - hejhellohalloannyeong (2021-2023)
  • Front-End Developer & UI/UX Designer
    Polle Inc. (MAR 2020-MAR 2023. Seoul)
  • UI/UX Designer Intern
    Polle Inc. (JAN 2020 - FEB 2020. Seoul)
  • Graphic Designer Intern
    Zicto Inc. (JUN 2018 - AUG 2018. Seoul)

Education

  • Bachelor of Computer Science
    Korea National Open University (2021-2023. S.KOREA)
  • Bachelor of Visual Communication Design
    Minor in Media Interaction Design
    Ewha Womans University (2015-2020. Seoul)
  • Exchange Student
    Hong Kong Baptist University (2017. Hong Kong)

Publication

2024-2025

work

  • Managing and building internal design system. Used by a 70-person development team to build web and mobile applications with about 80k paid users.
  • Developing new web and mobile features for the main product used by small business owners. Implemented various features such as search and filtering system, statistics dashboard, invoicing and proposal creation flow.

2022-2023

work

  • Migrated MAU 50k web application to Next.js from a Rails based web application framework.
  • Created a personalized gift generation system by using user database and graphics software.
  • Photo of the Polle gift set Photo of the Polle gift set Photo of the Polle gift set Photo of the Polle gift set Photo of the Polle gift set Photo of the Polle gift set
  • Contributed to three major version updates of a React Native-based mobile app by designing, prototyping, and developing new features.
  • App Store ↗
  • Main view of Polle application Recently popular places view of Polle application Search result view of Polle application Restaurant ranking view of Polle application

side project

  • Developed web based game application for the exhibition <Project Hashtag 2023>(lab B) in the National Museum of Modern and Contemporary Art, Korea.
  • About the Exhibition ↗
  • Participated in the exhibition <The Post Modern Child> at the Museum of Contemporary Art Busan as a member of web experiment group HHHA.
    • * Book unrecommendation for children with arduino, thermal printer and web.
  • Website ↗
  • Child interacting with the artwork, looking the screen with book description Full shot of the personal part of the artwork Wide angle shot of the group artwork installation Long exposure wide shot of the group artwork installation with people Photo of the artwork instruction installed at floor
    • * Graphic motivated by the advertisement leaflet of toy for children.
  • Website ↗
  • Screenshot of the artwork
  • Developed a portfolio website for an architecture company with Cargo web builder.
  • Website ↗
  • Desktop view of the portfolio website mobile view of the portfolio website
  • Studied C Language, Data Structure, Algorithm, Linear Algibra, Computer Graphics and Network System.
    • * Built sorting algorithms, dynamic array data structure, hash functions, and an ORM framework for MySQL using the C programming language.
  • code ↗

2021

work

  • Participated in designing the core logic for a restaurant search, recommendation, and ranking system.
  • Developed custom vector map tile for the Mapbox GL JS renderer with raw OpenStreetMap, S.Korea government geo-database.
  • Captured a low-zoom screenshot of the map Captured a mid-zoom screenshot of the map Captured a high-zoom screenshot of the map Captured a max-zoom screenshot of the map Screenshot of the map focusing on road rendering Black and white dotted version of the map Map rendered with Cairo Map styled focusing on the road hierarchy Visualization of the polygon crop algorithm
  • Built draggable list view library with React Native.
  • Animated gif of draggable list view

side project

  • Be a speaker at the Open Source Architecture Analyse Semina, presenting <Mapbox GL JS Architecture Analyse>
  • presentation ↗
  • PPT screenshot demonstrating Vector tile and Style architecture PPT screenshot demonstrating how to generate tile with style, source and data PPT screenshot demonstrating how map rendered through webGL canvas
  • script ↗
  • Parcitipated in the <Alphabet Project> which received award in the Communication Design - Digital category at Korea Design Awards 2022.
  • Project Archive ↗
  • Screenshot of HHHA archive site
    • * Main color recognition program using the K-Nearest Neighbor algorithm
  • Screenshot of the project visualizing the image's main color Screenshot of the project visualizing the image's main color
    • * Visualization of the divorce rate in korea with CSS grid and recursive function
  • Visualization of the families in Korea using family emoji. Divorced couples are highlighted while others are black and white Visualization of the families in Korea using family emoji. Divorced couples are highlighted while others are black and white Visualization of the families in Korea using family emoji. Divorced couples are highlighted while others are black and white
    • * Simple visual chat application using Socket.IO.
  • Screenshot of the visual chat project
    • * Interactive data visualization of website cookies using D3.js
  • Screenshot of the graph visualizing cookies
  • Developed and Designed a self-defense class website for women using WordPress.
  • Website ↗
  • Main view of the website Review section of the website Program page of the website Mobile view of the program page
  • Built an interactive wallpaper for the queer community that collects tweets with campaign hashtags and visualize, using the Twitter API and p5.js to encourage participation.
  • Website ↗
  • Screenshot of the wall with tweets Screenshot of the wall with tweets Screenshot of Twitter campagin hashtag search result

2020

work

  • Built swipeable tab view library with React Native.
  • Animated gif of swipeable tab view
  • Contributed to three major version updates of a React Native-based mobile app by designing, prototyping, and developing new features.
  • Developed and maintained the web application made with Rails based framework.
  • Website ↗
  • Main view of Polle web Mobile app feature introduction view Place page of Polle web Timeline page of Polle web

~2019

work

  • Worked as a graphic design intern, responsible for various editorial and graphical design projects.

side project

  • Designed and Developed university design graduation artworks archiving website with WordPress.
  • Main page of the archive site Personal artwork page of the site Personal artwork page of the site
  • Built a data visualization of YouTube’s ‘recommended videos’ with p5.js, Flask and TinyDB. The project crawl the data from the YouTube website through a search keyword input and visualize the results of the videos and their recommendations.
  • Website ↗
  • Photo of the installed artwork Main view of the project More information view of the project
  • Created various editorial, graphics and media art pieces during my time at university.
    • * Archived the buildings located in Seoul and organized them by various factors such as age, space and law
  • Video ↗
  • Photo of the book archiving the buildings Photo of the book archiving the buildings Screenshot of the video archiving the buildings Screenshot of the video archiving the buildings
    • * Created a video artwork with graphical elements inspired from Japanese supermarket leaflets.
  • Video ↗
  • Screenshot of the video
    • * Compared the content of The Economist’s print and digital editions, republishing only the differences between the two editions
  • Photo of the application and the book
    • * Made a Korean lettering archiving site which the user can combine letters to create their own letter.
  • Website ↗
  • Landing page of the project Page to let user combine letters by mouse movement Gallery page of the archived letters