(USA) Senior, Software Engineer

Position Summary... What you'll do... Role summary: We are looking for a highly skilled Senior Software Engineer Full Stack to support and enhance mission-critical systems powering Online Fulfillment, including Pickup and Delivery workflows. This role blends software engineering and production support, with a strong focus on system reliability, scalability, and customer experience. You will play a key role in ensuring seamless order processing, real-time inventory accuracy, and last-mile delivery execution by proactively identifying risks, resolving production issues, and building automation to prevent recurrence. About the team: The team is committed to supporting and enhancing mission-critical systems that power Online Fulfillment, including Pickup and Delivery workflows. Combining software engineering expertise with production support, the team ensures system reliability, scalability, and an optimal customer experience. Members focus on seamless order processing, real-time inventory accuracy, and efficient last-mile delivery. They proactively identify risks, resolve production issues, and develop automation to prevent recurrence. Collaboration with product, project, and business teams drives the delivery of high-quality solutions that meet evolving business needs while maintaining operational excellence. What you'll do: Ensure high availability of fulfillment systems supporting pickup and delivery Reduce order failures, delays, and customer-impacting issues Improve operati