Staff Backend Cost Engineer - FinOps & Cloud AI (Remote)

Affirm; Toronto; On-site; CAD 181,000 - 241,000; Full time

Benefits offered by this job

Health coverage

Stipends for tech & wellness

Equity rewards

Generous vacation

Job summary

Affirm is a remote-first company seeking a Staff Cost Engineer to design tooling that scales cost governance across a multi-cloud and AI-vendor footprint. You will set the technical direction, build self-service cost dashboards, and convert spend spikes into durable, auditable systems.

This role collaborates with product, infrastructure, and data teams, requires 8+ years backend experience with AWS, SQL, and Terraform, and offers equity, comprehensive health coverage, and stipends for tech and

Qualifications

• 8+ years designing, developing and launching backend systems at scale.
• Experience with AWS, MySQL, Spark and Kubernetes.
• Experience with FinOps or cost-visibility platforms and building dashboards.

Responsibilities

• Set technical strategy for your team on a year-long horizon.
• Collaborate with product, design, and analytics for sustainable tech solutions.
• Own monitoring, playbooks, and on-call readiness for reliability and uptime.
• Set code standards and promote quality across the team.
• Mentor and develop team members through feedback and example.

Skills

Python

Kotlin

AWS

MySQL

Spark

Kubernetes

FinOps

Cost visibility

Terraform

SQL

Distributed systems

Backend design

Tools

Terraform

Snowflake

Cost Reports

Job description

Affirm is a remote-first company seeking a Staff Cost Engineer to design tooling that scales cost governance across a multi-cloud and AI-vendor footprint. You will set the technical direction, build self-service cost dashboards, and convert spend spikes into durable, auditable systems.

This role collaborates with product, infrastructure, and data teams, requires 8+ years backend experience with AWS, SQL, and Terraform, and offers equity, comprehensive health coverage, and stipends for tech and