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a front-end developer with 5+ years of experience building responsive, high-performance interfaces using React and Vue. I enjoy crafting intuitive user interactions and collaborating across product, design, and back-end teams to deliver polished features. Most of my work has focused on streaming, ad tech, and media experiences, from redesigning dashboards that cut operation time to building scalable viewers with DRM integration. I'm excited by new challenges and always keen to learn and contribute.…a front-end developer with 5+ years of experience building responsive, high-performance interfaces using React and Vue. I enjoy crafting intuitive user interactions and collaborating across product, design, and back-end teams to deliver polished features. Most of my work has focused on streaming, ad tech, and media experiences, from redesigning dashboards that cut operation time to building scalable viewers with DRM integration. I'm excited by new challenges and always keen to learn and contribute.

Cathy

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a front-end developer with 5+ years of experience building responsive, high-performance interfaces using React and Vue. I enjoy crafting intuitive user interactions and collaborating across product, design, and back-end teams to deliver polished features. Most of my work has focused on streaming, ad tech, and media experiences, from redesigning dashboards that cut operation time to building scalable viewers with DRM integration. I'm excited by new challenges and always keen to learn and contribute.…a front-end developer with 5+ years of experience building responsive, high-performance interfaces using React and Vue. I enjoy crafting intuitive user interactions and collaborating across product, design, and back-end teams to deliver polished features. Most of my work has focused on streaming, ad tech, and media experiences, from redesigning dashboards that cut operation time to building scalable viewers with DRM integration. I'm excited by new challenges and always keen to learn and contribute.

Available to hire

a front-end developer with 5+ years of experience building responsive, high-performance interfaces using React and Vue. I enjoy crafting intuitive user interactions and collaborating across product, design, and back-end teams to deliver polished features.

Most of my work has focused on streaming, ad tech, and media experiences, from redesigning dashboards that cut operation time to building scalable viewers with DRM integration. I’m excited by new challenges and always keen to learn and contribute.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Korean

Fluent

English

Advanced

Work Experience

Front-end Developer at Kiswe

September 1, 2019 - January 1, 2025

Redesigned the UI of the live streaming switcher service dashboard, reducing average operation time by 30% and improving task success rate by 25%. Built an interactive onboarding guide that cut streamer setup time from ~15 minutes to under 5 minutes. Developed a web OTT viewer for Vidgo with DRM integration (Widevine, FairPlay), custom player controls, and improved streaming stability via browser tab state handling. Built a scalable web viewer for online K-pop concerts, supporting 750K+ concurrent users with real-time features (multi-camera, chat, replay) based on ticket type and join time.

Front-end Developer at LG CNS - MOP

April 1, 2023 - April 1, 2025

Adtech platform: Designed campaign performance dashboards using Chart.js and Plotly.js, enabling advertisers to make data-driven decisions. Built dynamic ad bidding forms with real-time validation and conditional field rendering, reducing input errors by 40%. Collaborated with data/back-end teams to integrate complex ad logic and data pipelines into the front-end.

Service Planner at LYLYL Beauty

February 1, 2024 - September 1, 2024

Designed user flow and developed a demo for Bluetooth integration between beauty devices and a mobile app. Authored a tech-focused business plan for an AI beauty platform, directly securing 500M KRW in R&D funding via a national startup grant.

Front-end Developer at 3 PM

February 1, 2022 - July 1, 2022

NFT-based Music Curator Service: Built a generative Korean traditional music NFT minting page on Solana (Candy Machine), with whitelisting and real-time mint tracking. Developed an Ethereum-based NFT ticking flow with MetaMask integration and wallet-based ownership checks, used by 2,000+ users.