Senior Software Engineer, Backend (trust Infrastructure)

Affirm Affirm · Fintech · United States · Remote · Infrastructure Platform Eng

Senior Backend Engineer for Trust Infrastructure team at Affirm, focusing on security, authentication, authorization, and cryptography within Kubernetes and cloud environments. Requires experience in designing and launching scalable backend systems, distributed systems, and Kubernetes resource management.

What you'd actually do

  1. You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
  2. You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  3. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
  4. You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts.
  5. You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks.

Skills

Required

  • Python or Kotlin
  • AWS
  • MySQL
  • Kubernetes
  • Helm charts
  • operator patterns
  • backend systems design
  • distributed systems

Nice to have

  • secrets management
  • authentication and authorization
  • cryptography
  • certificate workloads

What the JD emphasized

  • 4+ years of experience designing, developing and launching backend systems at scale
  • track record of developing highly available distributed systems
  • deep expertise of 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
  • proficient at making significant changes in a large code base