Senior Software Engineer, Backend (Infrastructure)

Affirm is a financial technology company that provides a clear, predictable way to pay over time, with no hidden fees or surprises. The Engineering team builds systems that power Affirm's mission, focusing on reliable, performant, and scalable solutions.

The Trust Infra team elevates the security posture of Affirm's infrastructure and services by embedding security in everything from provisioning to deployment, improving developer experience through automation, and building guardrails that enable safe, rapid delivery. Artifacts owned by this team include secrets management, authentication and authorization, cryptography, certificate workloads, and other core security components within Kubernetes and cloud infrastructure.

• Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
• Collaborate with product management, design, and analytics in the product development lifecycle, articulating technical constraints and partnering on decisions that consider risks and trade-offs.
• Proactively identify project, process, technology, or business issues, advocate for them, and lead in solving them.
• Support operations and availability of team artifacts by creating and monitoring metrics, escalating when needed, and supporting on-call efforts.
• Foster a culture of quality and ownership by setting or improving code review and design standards, and advocating beyond the team through writing and tech talks.
• Help develop talent by providing feedback and guidance, and leading by example.

• 4+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin.
• Track record of developing highly available distributed systems using technologies like AWS, MySQL, and Kubernetes.
• Deep expertise in Kubernetes resource management, Helm charts, and operator patterns, centered around security workloads.
• Experience defining a technical plan for delivery of a significant feature or system component with an elegant, simple, and extensible design.
• Ability to write high quality code that is easily understood and used by others, and to make significant changes in a large code base safely.
• Ownership of growth, proactively seeking feedback from team, manager, and stakeholders.
• Strong verbal and written communication skills for collaboration with a global engineering team.
• Equivalent practical experience or a Bachelor's degree in a related field.

Base pay range per year: $153,000 - $213,000 (CAD). Total compensation may include equity rewards, monthly stipends for health, wellness, and tech spending, and benefits including 100% subsidized medical coverage, dental, and vision for you and your dependents. Affirm is a remote-first company, and most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and all new hires are invited to attend an in-person onboarding experience.