Product Design

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Work Experience

Korea Credit Data

Product Design / BX Design Specialist

January 2024 – October 2025

KCD is Korea's leading fintech unicorn, operating CashNote — the #1 business management super-app for SMBs. Founded in 2016, backed by Morgan Stanley at $1B valuation.

Responsibilities

• Defined foundational principles and component architecture for CashNote's design system, facilitating knowledge sharing and collaboration across Design, Engineering (Flutter), Product, and QA teams to establish unified design standards.
• Led the consolidation and systematization of design components, reducing 47 fragmented button variants to 8 standardized components through strategic architecture and Auto Layout implementation, creating scalable patterns for Korea's #1 SMB fintech super-app.
• Collaborated directly with Flutter engineering team through code review participation, ensuring design fidelity in production while contributing technical feasibility insights during the design process to minimize implementation friction.
• Designed mobile interfaces for complex financial features including multi-company credit card dashboards (aggregating 8 card companies), tax invoice management, business credit scoring systems, B2B marketplace, and merchant community platform for 2M+ users.
• Established component naming conventions and documentation standards aligned with Flutter widget structure, enabling seamless design-to-development handoff and reducing ambiguity in cross-functional communication.

Results

• Successfully shipped redesigned CashNote design system serving 2M+ Korean SMB merchants processing ₩65 trillion ($48B+) in annual transactions, establishing scalable infrastructure for Korea's first SMB fintech unicorn valued at $1B+.