• Refactored 13,000+ lines of legacy code to remove non-PCI-compliant components and improve checkout security, maintainability, and performance.
• Designed and implemented a custom PayPal throttling system to prevent bot-level activity without affecting real users.
• Collaborated with PayPal engineers to support integration-specific callback logic and requirements for PayPal, Venmo, Amazon Pay, Shop Pay, Google Pay, and Buy With Prime.
• Improved accessibility for wallet buttons by enhancing screen reader compatibility and visual cues.
• Added real-time alerts in Observe to monitor wallet button render failures and reduce incident detection time.
• Used feature flags and dashboard monitoring to safely roll out new wallet features.
• Reviewed code, created GitHub issues and PRs, and used Graphite for developer workflows.
• Authored onboarding and incident response documentation to support team ramp-up and crisis readiness.
• Participated in user testing for Shopify’s USDC crypto wallet integration in collaboration with Coinbase.
• Heavily leveraged AI tools (Claude, Copilot) to streamline development, reduce cognitive load, and stay efficient while managing multiple tasks.