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Mincheol Shin

Mincheol Shin

Senior Android Developer

last updated: 2026.03.28

Introduce

"A developer committed to creating a simple and comfortable world"

As a seasoned Android developer with 14 years of experience, I have extensive expertise spanning Android application development, AOSP-based framework development, and firmware engineering. At an Android smartphone manufacturer, I contributed to firmware development for multiple device models, supporting mass production and OS upgrades, while also developing framework APIs and applications for QA validation and demo devices. I later served as the Android domain lead for the Home and Review areas at an e-commerce company, where I led new feature development and refactoring efforts. In addition, I worked on Android clients for AI assistant services, delivering a variety of features that enhanced user convenience. I am currently developing SDV (Software-Defined Vehicle) connected car mobile app, with a focus on creating future-oriented mobility experiences centered around vehicle control.

I believe in implementing ideas quickly, validating them in practice, and then refining them through thoughtful refactoring to produce code that is both robust and maintainable. I prefer simplicity over unnecessary complexity, and I continuously look for opportunities to replace overly complex implementations with proven libraries or frameworks when appropriate. I also enjoy automating repetitive workflows by creating lightweight tools and distributing them for broader use. Through this approach, I have developed and applied various scripts and tools that helped reduce build times and streamline validation processes.

I take great pride in simplifying complex or repetitive tasks and in creating software that brings greater convenience to a wider range of users.

Skills

Languages

Kotlin Java Python Javascript C++/C

Android

Android Compose Jetpack AAC/MVVM Coroutine Retrofit/Ktor KMP/CMP

CI/CD

Gradle Git Github/Gitlab Agentic Ops Jenkins

Others

NodeJS UnitTest Firebase JIRA/Confluence

  Highly proficient. Able to lead production development independently.
  Experienced. Able to implement features, perform maintenance, and execute tasks under standard guidelines.

Experience

42dot · Android Senior Engineer Present
Feb 2026 ~ Present

Connect Mobile Application Development

  • Developed a connected car mobile app

AI-based Engineering Workflow Improvement

  • Built an agent-based code review workflow
  • Improved the deployment workflow to automatically generate release notes
  • Automated team weekly report generation based on Jira issues and GitLab MRs
SK Telecom · Android Client Engineer
Sep 2022 ~ Feb 2026

Adot Application Development

  • Music Player Development
    • 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
Apr 2021 ~ Sep 2022

Coupang E-Commerce Application

  • 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

In-House Development Process Improvements

  • Developed debugging tools and helper apps for developer productivity
  • Introduced and shared Facebook Flipper debugging tools within the team
LGE MC Division · Android Mobile Device Engineer
Jul 2013 ~ Mar 2021

Mobile Device Development

  • Mobile Device Development (14 models, including LG G2m to 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

Project

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

NUGU for US Project

NUGU Service · SKT
2022.11 ~ 2023.01

Elderly Care App Development for North America

  • Developed a specialized version of the NUGU application for elderly users in North America.
  • Configured custom UI layouts optimized for elderly accessibility.

WMS App Project

Logistics Center Application Improvement Project · Coupang
2022.01 ~ 2022.03

Multilingual Support & Localization

  • Developed English and Traditional Chinese language support for the Coupang WMS application used in Taiwanese logistics centers.
  • Optimized layout structures for multilingual screen rendering.

Logistics Workflow Implementation

  • Developed and modified warehouse intake, outbound, and inventory auditing features based on updated logistics processes.

CI/CD Pipeline & Distribution Automation

  • Implemented build signing, automatic QA distribution, and unit testing pipelines.

Coupang Feature Task

Revenue & User Retention Optimization Tasks · Coupang
2021.06 ~ 2021.12

E-Commerce Growth Features

  • Developed "Quick Cart" widgets and similar product suggestions to streamline buying paths.
  • Created coupon highlights and interactive badges for product detail views.

Coupang Eats Promotion

  • Designed and animated tooltip tutorials to guide users to Coupang Eats from the main app.
  • Built dedicated promotion and onboarding screens targeting new users.

Review Engagement Boost

  • Developed review prompting widgets that highlighted pending order reviews to encourage feedback.

Mosaic Project

Mobile Screen Analysis Tool · LGE
2020.07 ~ 2020.11

Screen Speed & Scroll Performance Evaluator

  • Developed computer vision tool pipelines using Python and OpenCV to measure app startup and scroll consistency.
  • Collected and benchmarked competitor data (iPhone, Galaxy) to draft QA screen speed standards.
  • Tuned Velvet's scrolling speed curve based on target analysis.

LiveDemoUnit Project

Exhibition Device Software Suite · LGE
2018.03 ~ 2021.03

AOSP target build configuration and retail experience apps

  • Configured custom display AOSP target device profiles and compiled tailored ROMs.
  • Developed retail apps that introduced new features and specifications.
  • Developed background telemetry apps to audit power status, network logs, and user click metrics in retail stores.

Log Uploader Project

Smartphone BugReport App & System · LGE
2016.12 ~ 2021.03

Automated Log Retrieval and Ticket Submission

  • Proposed, designed, and managed a custom on-device crash report system, eliminating PC-tethered debugging routines.
  • Built an Android client app to extract and dump logs, auto-fill system info, and upload crash packages.
  • Integrated with Jira/TestDirector to log issues directly from the field.

Education

Hongik Univ, Seoul

Bachelor of Science in Computer Engineering

2006.02 ~ 2013.07