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Senior Staff Software Engineer, Backend (Load Testing)

Affirm

$232,000 - $310,000
Nov 3, 2025
Remote, US
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Affirm is looking to develop world-class capacity management and load testing capabilities to support its mission of delivering honest financial products.

Requirements

  • Extensive experience in designing and implementing cluster management, and load testing at scale
  • Experience with load testing or capacity planning at an organization with millions of users and uneven/seasonal traffic
  • Experience with Fintech and Retail industries for both B2C and B2B (merchants/affiliates) is a plus

Responsibilities

  • Set the technical strategy for the next generation of capacity planning and load testing capabilities and practices at Affirm
  • Collaborate with the broader engineering organization to understand service load and develop next-generation capacity models and load testing frameworks
  • Champion innovative, scalable, and delightful solutions across the engineering organization
  • Promote a strong culture of innovation, drive evaluation, development, and roll out of new technologies/frameworks

Other

  • 12+ years software engineering experience
  • Exceptional leader who can mentor high potential engineers earlier in their career
  • Detail-oriented individual who has strong opinions on the technologies being developed by their team
  • Strong communicator who effectively lays out their technical strategy to their engineering organization
  • Must be willing to work remotely
  • Must be willing to work in a remote-first company