Shape reliable capacity plans with Python or Kotlin as a Senior Backend Engineer on Affirm’s remote Canada Capacity Modeling team. Forecast traffic and tune resources for peak demand.This senior position owns quarterly goals while guiding engineers through ambiguous, open-ended problems. You will build backend systems at scale using AWS, My SQL, or Kubernetes. The work connects statistical models with CPU, memory, connections, pod counts, HPA ranges, and infrastructure sizing. You will help ensure Affirm can handle major sales events safely.Key Responsibilities: Own quarterly team goals and guide engineers through deliveryCollaborate with product, design, and analytics stakeholdersIdentify and resolve project, process, technology, and business issuesMonitor metrics and support availability,
operations, and on-call effortsImprove code review and design standards through writing and tech talksRequirements: Four-plus years designing and launching backend systems at scalePython or Kotlin experience with highly available distributed systemsAWS, My SQL, and Kubernetes experienceAutoscaling, CPU, memory, and multithreading tuning experienceEquivalent practical experience or a related bachelor’s degreeBring backend engineering, capacity modeling, and distributed systems expertise to help Affirm scale reliably across remote Canada.#J-18808-Ljbffr