Stephanie Lo

About

Senior UI/Product Designer specializing in design systems with 8+ years of experience across agencies, consulting, and in-house teams. (Portfolio password: sloprojects) Co-led multi-platform (web/iOS/Android) systems for Discover and worked across accessibility (WCAG 2.2 AA), governance, QA/validation, and design-to-code fidelity using Figma Variables/Design Tokens and Storybook. Delivered measurable UX improvements including mobile flow optimization and high design system usability outcomes (86/100 SUS).

Experience

• Senior UI Designer • BBDO Chicago (formerly FCB Chicago) · BBDO Chicago (formerly FCB Chicago) / Discover (Design Systems)03-01-2023 – 05-01-2026

  Converted from freelance to full-time in May 2023. Co-led Discover’s Radiant Design System across web, iOS, and Android, shaping component architecture and visual language for 200+ components; established 60+ usage guidelines. Ensured WCAG 2.2 AA compliance across components through accessibility testing (VoiceOver, keyboard navigation) and documentation. Partnered with product and engineering through iterative reviews and Storybook to refine component requirements and ensure design-to-code fidelity across states and variants. Managed end-of-sprint design system publishing and validation, resolving broken component and style references and ensuring release readiness prior to delivery. Led shared Figma library migrations, restoring component relationships and coordinating adoption across teams. Audited the BCBS FEP design system UI library, reducing component complexity by 54% and variants by 87%, and built a standalone foundation library within two weeks. Designed credit card registration, activation, and onboarding experiences; created foundational components, achieving an 86/100 SUS score. Developed and documented components for Cox Communications’ design system, streamlining variants and strengthening accessibility and usage standards. Tools: Figma, Storybook, Miro, Sketch, Adobe Creative Cloud, Zeplin Skills: Design Systems, Component Architecture, Figma Variables (Design Tokens), Governance, QA & Validation, Visual Design, Accessibility (WCAG), Documentation

• Senior Product Designer · Walgreens08-01-2022 – 01-01-2023

  Consolidated profile management workflows and simplified navigation across the web account home experience, improving consistency and reducing user friction.

• Experience Designer (UI/UX) • Selected Clients: Google Cloud, Nestlé, Prime Therapeutics · Nerdery02-01-2021 – 07-01-2022

  Used Google’s design system to deliver a branded Google Cloud Next virtual conference experience, driving 1.57M+ site visits and 176K+ saved sessions.

• UI Designer • FCB Chicago · FCB Chicago (Converted from freelance to full-time May 2018)04-01-2018 – 2021

  Converted from freelance to full-time in May 2018. Redesigned DinersClub.com, establishing a component library, templates, and style guide; optimized mobile flows, reducing click-to-apply exits by 94% and increasing mobile visits by 228% YoY. Defined and maintained Discover Sketch libraries and documentation across web, iOS, and Android through design system updates and rebranding.

Education

• Oberlin CollegeBachelor of Arts

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