Jaewan Byun
Product Designer at TD Bank
Previously at Lycle, Telus, and Loblaw
Next-Gen Investing
TD Bank・2025 - 2026
A scalable design system powering consistent investing experiences across TD's Direct Investing platform. Established governance frameworks and component libraries that aligned product teams and accelerated delivery.
Conversion Optimization
Lycle・2024 - 2025
A purchase funnel overhaul that lifted checkout conversion by 36% and tripled option-selection entry. Owned end-to-end experimentation from problem framing to shipping, leveraging AI to validate and accelerate execution.
AI Prompting
Lycle・2024 - 2025
A generative AI writing system that made product copy faster, consistent, and easier to scale. Translated brand guidelines into reusable prompt frameworks, reducing review cycles and enabling non-writers to ship on-brand copy.
Lytem
Lycle Design System・2025
A 0-to-1 design system that unified Lycle's fragmented UI into a single, scalable product language. Defined foundations, built the component library, and shipped with full Storybook documentation for engineering handoff.
