Senior Software Engineer, Backend (Comms Core)Active€86K–€122K

The opportunity

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

What you'll do

  • You will own and deliver quarterly technical goals for the Communications: area, collaborating with teammates to solve ambiguous, open-ended problems across messaging infrastructure.

  • You will design and evolve reliable backend services for high-volume: communications across multi-region, multi-tenant environments, including orchestration, delivery, preferences, templates, and observability.

  • You will collaborate with product management, design, analytics, security,: and engineering partners throughout the product lifecycle, articulating technical constraints and balancing customer impact, risks, and trade-offs.

  • You will design, implement, and operate resilient integrations with external: messaging vendors, balancing reliability, latency, cost, and compliance.

  • You will proactively identify and solve project, process, technology, or: business issues that affect scalability, developer experience, and operational resilience.

  • You will support the operations and availability of your team’s services by: defining service-level objectives and metrics, improving alerting and incident response, and participating in on-call efforts.

What they're looking for

  • You will foster quality and ownership by improving design, testing, code: review, rollout, and operational standards, and advocating for them through writing and tech talks.
  • You will help develop talent on your team by providing feedback, mentorship,: and technical direction, and leading by example.
  • On-Call Rotation: There would be an on-call rotation for this role as a requirement.
  • You have 5+ years of experience in software development or engineering, with: a deep understanding of system design and architecture.