Amazon Pay
Feb 2022 – Feb 2025
•Developed Mobile Buyer SSO (JavaScript/Ruby), integrating Amazon Identity to reuse app credentials — improved sign-in conversion by 30%.
•Built backend integrations with Shopify and Stripe, scaling Amazon Pay across multiple e-commerce platforms.
•Delivered Affirm “Buy Now, Pay Later” integration, handling auth, installment flows, and settlements via partner APIs.
•Stabilized CI/CD pipelines, fixing flaky dependencies and 400+ integration tests — raised pass rates to 90%+ and saved 3 hours per release.
Amazon Publisher Services (Ads)
Mar 2025 – Oct 2025
•Built Prebid adapter for publisher integrations, managing bid translation, privacy signals, and configuration.
•Developed Demand Channel Reporting (Ruby + React) for self-serve insights into spend, impressions, and revenue.
•Improved Ads traffic optimization (Java) with new targeting controls and AI-assisted exploration — reduced unprofitable bids by 12%.