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Antonino Ognissanti
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Checkout Express: A Speedrun to Click to Pay

Objective: Design and build a new, seamless checkout experience integrating Click to Pay, compatible with Mastercard, Visa, American Express, and Discover.

Timeline: 7 months

Key Challenges
- Minimizing Friction: Balancing security with ease of use to prevent abandoned purchases.
- Technical Complexity: Unifying diverse card network requirements into a single integration.
Full Checkout Redesign: Simultaneously building a new checkout system while implementing Click to Pay.

Research and Discovery
- User Research: Conducted interviews and behavior analysis to identify pain points and optimize flows.
- Competitive Analysis: Benchmarked existing checkout solutions to identify best practices and improvement areas.

Design Process
- Wireframing & Prototyping: Mapped user journeys and developed interactive prototypes for validation.
- User Flows: Designed intuitive flows for onboarding, account verification, and card management to minimize friction.
- Iterative Testing: Continuously refined the design based on user feedback and technical constraints.
- End-to-End Development: Built a new checkout system alongside Click to Pay, ensuring a unified and scalable solution.

Key Features and Solutions
- End-to-End Development: Built the checkout system from the ground up, aligning with the EU Accessibility Act 2025.
- Seamless User Experience: Developed UI that guides users through the payment process. Ensured compatibility across various devices and payment networks.

Results and Impact
- Efficient Delivery: Successfully launched within 7 months, streamlining both checkout and Click to Pay integration.
- Positive Reception: Early feedback indicates improved usability and reduced drop-offs.

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