Senior Software Engineer, Backend (comms Platform)

Affirm Affirm · Fintech · Spain · Remote · Financial Platforms - Engineering

Senior Backend Engineer for Affirm's Comms Platform, responsible for transactional communication services (email, SMS, push notifications). Focus on re-architecture, platform modernization, high availability, and internationalization. Requires experience in designing and launching scalable backend systems, distributed systems, and supporting operations.

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

  • 5+ years of experience designing, developing and launching backend systems at scale
  • Python or Kotlin
  • highly available distributed systems
  • AWS
  • MySQL
  • Kubernetes
  • defining a technical plan for the delivery of a significant feature or system component
  • high quality code
  • making significant changes in a large code base
  • ownership of your growth
  • strong verbal and written communication skills

Nice to have

  • on-call rotation

What the JD emphasized

  • high availability
  • internationalization
  • platform modernization
  • transactional communication