Aisha Johnson-Witter

Visa

• Leading the development of scalable design infrastructure for Click to Pay, including a global component library that enables product teams to build and configure payment flows independently.
• Shaping and implementing an AI-supported prototyping workflow to accelerate concept-to-prototype delivery and reduce reliance on manual design cycles.
• Defining and embedding accessibility and compliance standards directly into design systems, ensuring consistency across markets.
• Introducing governance into the product lifecycle to support responsible use of AI, with clear validation points across design and delivery.

Visa

• Led accessibility design for the Visa Go Paris 2024 app, integrating WCAG-compliant thinking directly into design and handoff.
• Defined assistive technology behaviours across key journeys, including screen reader structure and interaction patterns in live environments.
• Produced detailed, annotated handoff designs to ensure alignment between design intent and engineering implementation.
• Led research and design for a scalable “Citizen Wallet” framework, exploring how payment infrastructure can better support government benefit distribution.

Visa

• Worked across product, operations, and client-facing teams to support delivery of strategic initiatives.
• Built understanding of Visa’s payment ecosystem, contributing to early-stage product and service design work.
• Supported cross-functional collaboration, helping translate business and user needs into structured requirements.