Adot Application Development

• Built a Music Player application
  • Developed a music player based on NuguSdk AudioPlayer specifications
  • Implemented an expandable floating player UI
  • Designed and implemented Music Home, Fullscreen Player, and Playlist UIs using Jetpack Compose

• Photo Feature Development
  • Developed AI-based editing and AI profile features using Compose and the in-house Photo SDK

  • Implemented Adot Gallery and Camera, and refactored architecture for reusable common components

• Server-Driven UI (SDUI) Development
  • Designed SDUI specifications and overall system architecture
  • Commercialized SDUI for UI components within chatrooms

• CI/CD Automation
  • Introduced LLM-powered code review process
  • Built automated QA deployment scripts using GitLab CI/CD pipelines (yml)

NUGU Application Development

• Participated in the NUGU Application development for the North American market.

Coupang

Android Senior Engineer
2021.04 ~ 2022.09

• Developed various widgets and features to drive company revenue growth

• Served as Domain Lead for Intro, Home, and Review sections

• Improved legacy systems and maintained existing logic

• Enhanced productivity and stability through architectural improvements and refactoring

LGE MC Division

Android Mobile Device Engineer
2013.07 ~ 2021.03

Mobile Device Development

• Contributed to the development of 14 smartphone models, including LG G2m through Velvet

• Configured AOSP target device settings and established build environments

• Managed target device Git repositories and performed chipset migration

• Analyzed and reported AOSP framework issues

• Developed LiveDemoUnit devices and applications, and maintained the exhibition device management system

In-House Development Process Improvements

• Developed and operated a Log Uploader Application and supporting system

• Improved build script automation to optimize build speed

• Enhanced systems related to CTS/Google QA certifications

• Built tools and scripts for mass production and quality verification processes

AI Code Review

LLM Based Gitlab MR Code Review Tool
SKT 2024.12 ~ 2025.05

AI-Powered Code Review Tool Development

• Developed a Python-based tool that automatically performs AI-assisted code reviews during Merge Requests in the GitLab CI/CD environment by extracting diff sections

• Implemented code review capabilities using multiple models, including Ollama + Qwen3 (Local) and ChatGPT o3 (API)

• Enhanced the tool to support both general-purpose code reviews and secure coding reviews through prompt diversification

Adot SDUI Project

Server Driven UI Project
SKT 2025.01 ~ 2025.06

Adot Server-Driven UI Project Proposal & Design

• Proposed a system enabling the server to dynamically configure native client UI and actions

• Designed Server-Driven UI (SDUI) specifications and overall system architecture

Adot Server-Driven UI Development

• Implemented modules to render screens and execute actions based on SDUI specifications

• Developed using Kotlin Multiplatform (KMP) for cross-platform support on Web, iOS, and Desktop

• Integrated with the Web Admin page to allow easy preview and verification

• Applied SDUI to UI components within the agent chatroom and to additional information views in the calendar detail screen

Technical Blog Writing & Knowledge Sharing

• Tech Blog Link

NUGU for US Project

NUGU Service
SKT 2022.11 ~ 2023.01

• Developed a specialized version of the NUGU application for elderly users in North America.

WMS App Project

Logistics Center Application Improvement Project
Coupang 2022.01 ~ 2022.03

• Developed multilingual support and improved logistics functions for the WMS application.
• Applying CI/CD automation to the WMS App build/release process

Coupang Feature Task

Participated in task development for business growth
Coupang 2021.06 ~ 2021.12

• Feature development to boost product purchases
  
• Developed features to increase Coupang Eats subscriber growth.
• Created various widgets and features to encourage user participation in reviews.

Mosaic Project

Mobile Screen Analycis Tool
LGE 2020.07 ~ 2020.11

• Created tools to analyze screen performance across different smartphone models based on Python, OpenCV

LiveDemoUnit Project

Smartphone Display Device Software Development Project
LGE 2018.03 ~ 2021.03

• Implementation of build environment and framework for display-only device models.
• Development of an application to introduce product features and specifications.
• Development of a system for monitoring the status of display-only devices and collecting user experience data.

Log Uploader Project

Smartphone BugReport App & System
LGE 2016.12 ~ 2021.03

• Proposed, designed and Managed a BugReport System & Application
• Developed an Android app for log extraction and reporting.
• Applied the system and application to the QA and beta testing process.