MinGyu Choi

wdever0279@gmail.com

경력

Viva Republica (Toss Core)

Seoul, South Korea

Frontend Developer

Mar. 2022 - Mar. 2026

  • Toss Ads

    • Built and operated the advertising platform and admin console for the 15M+ MAU Toss app, enabling campaign creation, approval workflows, and performance analytics

    • Toss Ads Admin Console

      • Developed and maintained the Toss Ads Admin Console for managing ad platforms and inventory, enforcing strict ad policies by approving compliant ads and rejecting non-compliant ones

      • Improved campaign ad review workflows to keep pace with a rapidly growing advertiser platform

      • Built ad spend promotion configuration features to streamline operations for live commerce and short-form ad formats

      • Enhanced the ad modification and resubmission flow to improve the advertiser experience

      • Developed an agency dashboard for managing advertiser agency accounts

    • Lead Form

      • Added diverse question types and improved consent form functionality in response to advertiser requirements

    • Conversion Tracking

      • Developed conversion tracking features to enable accurate performance measurement for advertisers

    • Display Ads

      • Implemented the Maximize Conversion billing model

      • Added SALES and LEAD campaign objectives

    • Authentication Integration with Toss Business

      • Integrated the authentication system with Toss Business, resolving account linking issues during migration

  • In-App Customer Center

    • Addressed customer support requirements from cross-functional internal teams

    • Consolidated previously fragmented entry points for erroneous transfer resolution across subsidiaries

    • Added chatbot scenarios and improved agent escalation paths

    • Developed a payment protection guarantee feature

    • Redesigned the customer center around search-based navigation, driven by analysis of user dwell time and VoC resolution metrics

  • Standard Consent Module

    • Improved the company-wide standard consent module to comply with legal requirements and align with internal UX writing guidelines and UI/UX principles

    • Designed safer interfaces to reduce unintended developer errors and implemented new lint rules to enforce correct usage

Algocare

Seoul, South Korea

Frontend Developer

Aug. 2020 - Mar. 2022

  • Developed a user-facing app integrated with a nutritional supplement dispenser

  • Built a marketplace platform for selling nutritional supplements and dispensers

자격증

Crossfit Level 1

서울

Crossfit, LLC

Nov. 2025