The Software Development Engineer will design, develop, and maintain business-critical order processing, checkout, and payment workflows for Amazon Appstore Commerce. This role requires building scalable, reliable systems that handle millions of transactions across global marketplaces while ensuring seamless customer experiences.

Key responsibilities include developing robust APIs and services for payment processing, implementing secure checkout flows, optimizing transaction success rates, and reducing payment friction. The engineer will work with cross-functional teams to integrate with Amazon payment systems, and ensure high availability of mission-critical commerce infrastructure.

The ideal candidate brings strong software development skills, experience with distributed systems, and a customer-obsessed mindset. They will contribute to architectural decisions, participate in code reviews, and drive operational excellence through monitoring, alarming, and continuous ...