Available to hire
I am a Senior / Principal UI and Product Designer with extensive experience crafting enterprise-grade interfaces and design systems. I specialize in complex task management, ERP/MES platforms, regulated financial services, and data-heavy dashboards, always prioritizing UI patterns that reflect the system’s functions and deliver clear information.
I lead product UI/UX design systems and collaborate closely with engineering and PMOs. My work has supported clients such as Samsung Electronics and Hyundai Motors, across regions including the US, Europe, and APAC. I value inclusive, scalable design and a team-oriented approach to delivering usable, efficient solutions.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Language
Korean
Fluent
English
Advanced
Work Experience
Senior UI Designer / Lead UI Designer (Contract & Consulting) at HD Hyundai Heavy Industries
January 1, 2024 - January 1, 2025Led UI redesign for a next-generation task and issue management platform across engineering, production, and PMO teams. Established standardized UI patterns and interaction models, improving workflow visibility and operational efficiency. Designed scalable component libraries to support rapid expansion of future system modules.
Senior UI Designer / Lead UI Designer at KMI – Korea Medical Institute
January 1, 2020 - January 1, 2024Designed a researcher-centered enterprise portal supporting project submission, audit tracking, and documentation workflows. Improved navigation and readability of complex medical research data through modern information architecture. Reduced cognitive load and submission steps to enhance usability.
Senior UI Designer / Lead UI Designer at AJ Networks
January 1, 2020 - January 1, 2024Designed product UX for sales performance dashboards, contract management, and branch activity monitoring. Introduced modular UI widgets enabling rapid BI integration and scalable KPI visualization.
Senior UI Designer / Lead UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary)
January 1, 2010 - January 1, 2023Led multiple global enterprise design initiatives across DS, Memory, Wireless, and US Subsidiaries. Standardized financial workflows and interfaces for multi-language, multi-region users; streamlined complex dashboards; and defined unified UI patterns to improve usability and onboarding time across sites.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – MyFinance System
January 1, 2023 - January 1, 2023Next ERP Global Expansion – MyFinance System: designed standardized financial workflows for global subsidiaries across US, Europe, and APAC; optimized interfaces for multilingual and multi-region use.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Wireless STMS
January 1, 2022 - January 1, 2022Wireless STMS Enhancement: redesigned workflows to reduce steps and improve productivity for internal users; simplified multi-step dashboards into task-focused flows.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Compliance
January 1, 2020 - January 1, 2021Compliance Committee & Program Management: designed executive-facing compliance platforms supporting risk monitoring, case tracking, and policy approval; created a compliance portal and mobile version.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Memory Demand
January 1, 2019 - January 1, 2019Global Demand Management (Memory): designed predictive demand and planning dashboards for semiconductor memory products across global markets; simplified complex data visualizations for planners and executives.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – DS Platform
January 1, 2018 - January 1, 2018DS Smart Platform & Standard UI/UX: improved system consistency and reduced onboarding time through unified global UI patterns; applied patterns to visitor management, equipment control, and internal innovation systems.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – MES
January 1, 2018 - January 1, 2018Global MES 4.0: designed UX for next-generation MES environment supporting real-time production operations; simplified complex dashboards into task-focused interaction flows.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Medison
January 1, 2017 - January 1, 2017Samsung Medison Global SIS: mobile UX enabling global SCM teams to track inventory, shipments, and supply planning on the go.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – SCM Mobile
January 1, 2016 - January 1, 2016Global SCM Mobile: mobile UX for inventory, shipments, and supply planning across global teams.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – PRM System
January 1, 2015 - January 1, 2015PRM System: partner management dashboards to streamline onboarding and campaign planning.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Site/Project Execution Management
January 1, 2014 - January 1, 2014Site/Project Execution Management System: improved UI for large-scale installation project tracking with views for progress, risk, and resources.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – SPS / OCT / GTMS
January 1, 2013 - January 1, 2013SPS Global Portal / OCT / GTMS: unified global engineering resource management UI; advanced R&D collaboration UX; mobility and assignment tracking for global employees.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Semiconductor Systems
January 1, 2012 - January 1, 2012Semiconductor & Global Manufacturing Systems: UX enhancements across WHCS, MQA, Memory Task, EIM, TSP, and EDA; focused on consolidating overlapping functionalities and standardizing UI components.
UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary) – Semiconductor Systems (YMS / PMS / DVS / DPM / Open Source)
January 1, 2010 - January 1, 2010Semiconductor Systems (YMS / PMS / DVS / DPM / Open Source): built structured dashboards for manufacturing yield and process monitoring; improved data readability.
UI Designer at Hyundai & Kia Motors
January 1, 2015 - January 1, 2016CRM UI for sales/marketing teams; DM Mall UI for digital materials distribution; ERP module UX for international subsidiaries; mobile app UI for MyKia.
UI Designer at Lotte Mart
January 1, 2015 - January 1, 2016Next-Generation MD Portal: merchandising workflow management across product lifecycle, purchasing, suppliers, and inventory.
UI Designer at Daiso / Asung Industrial
January 1, 2015 - January 1, 2015Integrated Accounting System: UI improvements for financial consolidation.
UI Designer at Hyundai Powertech
January 1, 2015 - January 1, 2015Logistics Distribution Management: improved warehouse, dispatch, and tracking UX.
UI Designer at Sewon Group
January 1, 2015 - January 1, 2015EIS Sales Dashboard: executive visibility dashboards for multi-division sales.
UI Designer at KMI – Korea Medical Institute
January 1, 2024 - December 31, 2024Designed a researcher-centered enterprise portal for project submissions, audit tracking, and documentation workflows. Improved navigation and readability of complex medical research data and reduced cognitive load for submissions.
UI Designer at AJ Networks
January 1, 2024 - December 31, 2024Shaped UX for next-generation sales management portal, including dashboards, contract management, and branch activity monitoring. Introduced modular UI widgets to enable rapid BI integration and scalable KPI visualization.
Product Designer at Kiwoom Securities
January 1, 2020 - December 31, 2022Designed data integration & visualization UI for Korea’s regulated MyData financial services, ensuring compliance with strict security and privacy UX patterns.
UI Designer at KW DESIGNER Tool (Web/Mobile)
January 1, 2020 - December 31, 2021Designed a no-code workflow builder with drag-and-drop, logic mapping, and templates; delivered interactive builder components enabling business teams to configure processes without developers.
Product Designer at Danal
January 1, 2022 - December 31, 2022Defined UX for a next-generation core system including billing, settlement, partner contracts, and merchant processes. Reorganized information architecture to reduce user workload and error rates.
UI Designer at SEMA – Korea Scientists & Engineers Mutual Aid Association
January 1, 2020 - December 31, 2020Designed modules across HR/payroll, pensions, investments, budgeting, welfare, and accounting for a next ERP system with governance-oriented UX to meet public-sector reliability standards.
UI Designer at KB Savings Bank
January 1, 2020 - December 31, 2020Delivered UX for a smart unified messaging system, supporting automated templates, campaign triggers, and message lifecycle tracking across customer and internal channels.
UI Designer at Hanwha Total
January 1, 2018 - December 31, 2018Designed SAP Fiori/Launchpad-based sales management UX, improving accessibility for field personnel via streamlined interfaces.
UI Designer at KT
January 1, 2018 - December 31, 2018Created conversational flow design for an HR mobile chatbot enabling employees to request leave/travel via chat.
UI Designer at Mirae Asset Daewoo
January 1, 2018 - December 31, 2019Built a shareholder electronic voting & proxy system with accessible voting UI for shareholder meetings.
UI Designer at SK (Techno)
January 1, 2018 - December 31, 2018Designed a technical document request system to streamline B2B data requests and approvals.
Senior UI Designer / Lead UI Designer (Contract & Consulting) at KMI – Korea Medical Institute
January 1, 2024 - December 31, 2024Integrated Medical Research Support Portal enabling project submission, audit tracking, and documentation workflows; improved navigation and readability of complex medical data; reduced cognitive load and submission steps.
Senior UI Designer / Lead UI Designer (Contract & Consulting) at AJ Networks
January 1, 2024 - December 31, 2024Next-Generation Sales Management Portal delivering dashboards for sales performance, contract management, and branch activity; introduced modular UI widgets for rapid BI integration and scalable KPI visualization.
Senior / Principal UI Designer at Samsung Electronics (Global / DS / Memory / Wireless / US Subsidiary)
January 1, 2010 - December 31, 2023Led UI/UX across multiple global enterprise initiatives, including 2023 MyFinance ERP expansion, 2022 STMS enhancements, 2020–2021 Compliance platforms, 2019–2018 global demand planning, and DS platform standardization. Standardized UI patterns, improved data readability, and built reusable design systems and dashboards for cross-regional teams.
UI Designer / Product Designer at Kiwoom Securities
January 1, 2020 - December 31, 2022Designed data integration and visualization UI for Korea’s MyData financial services; ensured compliance with strict security and personal-data UX patterns.
UI Designer / Product Designer at Kiwoom Securities
January 1, 2020 - December 31, 2021Designed no-code workflow builder with interactive components (drag & drop, logic mapping, templates) enabling business teams to configure processes without developers.
UX / UI Designer at Danal
January 1, 2022 - December 31, 2022Defined UX for billing, settlement, partner contract, and merchant processes; reorganized information architecture to reduce workload and errors.
CRM / ERP / Mobile App UX Designer at Hyundai & Kia Motors
January 1, 2015 - December 31, 2016CRM UI for sales/marketing, DM Mall for digital materials distribution, ERP module UX for subsidiaries, and mobile UI for MyKia.
Next-Generation MD Portal UI Designer at Lotte Mart
January 1, 2015 - December 31, 2016Merchandising workflow management for product lifecycle, purchasing, suppliers, and inventory.
UI Designer at SPS Global Portal / OCT / GTMS
January 1, 2013 - December 31, 2013SPS: Unified global engineering resource management UI; OCT: Advanced R&D collaboration platform UX; GTMS: Mobility & assignment tracking for global employees.
UX Designer at Semiconductor & Global Manufacturing Systems
January 1, 2011 - December 31, 2012UX enhancement across multiple systems, consolidating overlapping functionalities, standardizing UI components, and improving data readability.
UI/UX Designer at Semiconductor Systems (YMS / PMS / DVS / DPM / Open Source)
January 1, 2010 - December 31, 2010Built structured dashboards for manufacturing yield, defect, process monitoring, and open-source compliance.
Senior UI Designer / Lead UI Designer (Contract & Consulting) at HD Hyundai Heavy Industries
January 1, 2007 - PresentDelivered UI/UX leadership across multiple long-term enterprise engagements for global clients. Established standardized UI patterns and interaction models to improve workflow visibility and operational efficiency. Designed scalable component libraries to support rapid expansion of future system modules. 2024–2025: New Task Management System—led UI redesign for a next-generation task and issue management platform for engineering, production, and PMO teams.
UI Designer at Danal
January 1, 2022 - December 31, 2022Next-Generation Core System: defined UX for billing, settlement, partner contracts, and merchant processes; reorganized information architecture to reduce workload and error rates.
UX/UI Designer at SEMA – Korea Scientists & Engineers Mutual Aid Association
January 1, 2020 - December 31, 2020Next ERP System: designed modules across HR/payroll, pensions, investments, budgeting, welfare, and accounting; established governance-oriented UX for public-sector-grade reliability.
UX/UI Designer at KB Savings Bank
January 1, 2020 - December 31, 2020Smart Unified Messaging System: delivered UX for centralized messaging management across customer and internal channels; supported automated templates, campaign triggers, and message lifecycle tracking.
UX Designer at Mirae Asset Daewoo
January 1, 2018 - December 31, 2019Shareholder Electronic Voting & Proxy System: built intuitive voting and proxy UI; improved accessibility for older voters.
UI Designer at Samsung Electronics
January 1, 2014 - December 31, 2014Site/Project Execution Management System: improved UI for large-scale installation project tracking (progress, risk, resources).
UX Designer at Samsung Electronics
January 1, 2013 - December 31, 2013SPS Global Portal / OCT / GTMS: SPS—unified global engineering resource management UI; OCT—R&D collaboration UX; GTMS—mobility & assignment tracking.
UX/UI Designer at Samsung Electronics
January 1, 2012 - December 31, 2012Semiconductor & Global Manufacturing Systems: UX enhancements across multiple systems; consolidated overlapping functionalities and standardized components.
UI Designer at Samsung Electronics
January 1, 2010 - December 31, 2010Semiconductor Systems (YMS / PMS / DVS / DPM / Open Source): built structured dashboards for manufacturing yield, defect, process monitoring.
UI Designer at Kiwoom Securities
January 1, 2020 - December 31, 2021MyData API System: designed data integration & visualization UI for Korea’s regulated MyData financial services; KW DESIGNER Tool: no-code workflow builder.
UI Designer at Danal
January 1, 2022 - December 31, 2022Next-Generation Core System: defined UX for billing, settlement, partner contracts, and merchant processes; reorganized information architecture.
Education
Bachelor at Gangneung-Wonju National University
January 1, 1995 - January 1, 1999Master at Chung-Ang University
January 1, 2003 - January 1, 2006Bachelor at Gangneung-Wonju National University
January 1, 1995 - January 1, 1999Master at Chung-Ang University
January 1, 2003 - January 1, 2006Bachelor at Gangneung-Wonju National University
January 1, 1995 - January 1, 1999Master at Chung-Ang University
January 1, 2003 - January 1, 2006Bachelor of Fiber Art Design at Gangneung-Wonju National University
January 1, 1995 - January 1, 1999Master of Fashion & Brand Management at Chung-Ang University
January 1, 2003 - January 1, 2006Qualifications
Industry Experience
Financial Services, Healthcare, Manufacturing, Software & Internet, Media & Entertainment, Education, Retail, Transportation & Logistics, Professional Services, Telecommunications
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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