Skip to content
ITA Jobs
All vacancies
Affirm logo

Senior Software Engineer (Comms Core)

Affirm

Remote · Spain€7,167–10,167 gross/mofull-timeAffirm Careers

Affirm’s Communications team builds and modernizes the highly available platform that delivers billions of customer messages reliably and on time across the customer journey. As a senior backend engineer, you will shape multi-region, multi-tenant infrastructure, APIs, and vendor integrations that help product teams communicate with customers at scale.

Responsibilities

  • 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.
  • 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.
  • What we look for

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    19 Oct 2026
    Last verified
    In the last 5 days

    Similar roles

    Keep looking