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 the operations and availability of your team's 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 for them beyond your team through your writing and tech talks.
• Help develop talent on your team 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 the 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.
• Proficiency in making significant changes in a large code base, with a suite of tools and practices to do so safely.
• Strong verbal and written communication skills for effective collaboration with a global engineering team.
• Equivalent practical experience or a Bachelor's degree in a related field.

Base pay is part of a total compensation package that 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.

USA base pay range (CA, WA, NY, NJ, CT) per year: $195,000 - 255,000

USA base pay range (all other U.S. states) per year: $173,000 - 233,000

Affirm is a remote-first company. 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 a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

Benefits include health coverage at no cost, spending stipends, flexible time off, and an employee stock purchase plan.