Affirm
Staff Software Engineer, Backend (Observability)
Remote Canada +1 · Remote · Staff · Full-time · Posted Oct 30, 2026
- Location
- Remote Canada
Remote US - Experience
- 8+ years.
About the job
Leads the technical direction and hands-on development of Affirm’s observability platform, including its telemetry pipeline, sampling strategy, and instrumentation practices for AI-assisted development.
What you'll do
- Own telemetry-pipeline architecture and design log sampling to balance reliability, query performance, incident signal, and cost.
- Set technical strategy and roadmap, lead cross-functional projects, and mentor a team of six engineers.
- Improve observability operations and standards, including monitoring, on-call processes, code review, and instrumentation for AI coding agents.
What they ask for
- 8+ years designing, developing, and launching large-scale backend systems using languages such as Python or Kotlin.
- Extensive experience developing highly available distributed systems.
- Experience building or operating high-volume telemetry systems and knowledge of modern observability practices.
- Experience driving platform-standard adoption across engineering teams and delivering major system features or changes through technical and execution plans.
Pay
$181,000 - $241,000 CAD base pay per year
Tools
Python, Kotlin, AWS, MySQL, Flink, Kubernetes, OpenTelemetry, Kafka
AI focus
Integrate observability best practices into agentic development so AI coding agents and code review identify instrumentation gaps before code ships.
Model-written summary · the original posting is authoritative