153K–213K CAD / year
Senior Software Engineer, Backend (ML Feature Platform)
BackendRemote — Canada
Published on 2026-11-12
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About this role
Build and operate the ML Feature Platform that supports machine learning and online decisioning at Affirm. The role involves delivering platform improvements for feature creation, serving, storage, and offline backfilling, with a focus on reliability and performance.
About the company
Affirm offers buy now, pay later financing that lets consumers split purchases into transparent installment payments at checkout. It partners with merchants to provide flexible credit options without late fees.
The team
ML Feature Platform, part of Affirm’s ML Platform.
Stack
PythonKotlinAWSMySQLKubernetes
What you'll do
- Own quarterly team goals and lead engineers through ambiguous projects.
- Collaborate with product, design, and analytics on product decisions and technical trade-offs.
- Identify and lead solutions to project, process, technology, and business issues.
- Monitor platform health and support availability, on-call, and operational work.
- Set quality standards through design and code review practices; mentor teammates.
What we're looking for
- 4+ years designing, developing, and launching scalable backend systems.
- Experience building highly available distributed systems.
- Ability to define technical plans and design elegant, extensible system components.
- Proficiency making significant changes safely in large codebases.
- Strong written and verbal communication skills for global collaboration.
Benefits
- 100% subsidized health coverage for employees and dependents.
- Monthly technology, health, and wellness spending stipends.
- Flexible time off and generous holiday calendars.
- Employee stock purchase plan with a discount.
- Equity rewards may be available.