Staff Software Engineer, Backend (Capacity Modeling)

Summary

Staff-level backend engineer responsible for designing and maintaining statistical capacity models that forecast infrastructure resource needs (CPU, memory, connections, ElasticCache, DynamoDB, AuroraDB) to support traffic demands during peak sales events. Sets technical strategy for the team, collaborates across product and analytics to ensure system sustainability, owns operational excellence including monitoring and on-call processes, and establishes code review and design standards. Requires 8+ years building highly available distributed systems at scale using Python or Kotlin, AWS, MySQL, Spark, and Kubernetes, with proven experience scaling systems for major sales events like Prime Day and Black Friday.