173K–233K USD / year
Senior Software Engineer, Backend (ML Feature Platform)
BackendRemote — United States
Published on 2026-11-12
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About this role
Build and operate Affirm’s machine learning feature platform, which supports feature development, data serving, and online decisioning. Lead delivery of team goals and help ensure the platform remains reliable, performant, and available.
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 and deliver quarterly team goals, guiding engineers through ambiguous problems.
- Collaborate with product, design, analytics, and stakeholders on plans and technical trade-offs.
- Identify and lead solutions to project, process, technology, and business issues.
- Monitor platform metrics and support availability, on-call, and operational work.
- Improve code review and design standards; mentor and provide feedback to 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 a large codebase.
- Strong written and verbal communication skills.
- Bachelor’s degree in a related field or equivalent practical experience.
Benefits
- 100% subsidized medical, dental, and vision premiums for employees and dependents.
- Monthly technology, health, and wellness spending stipends.
- Flexible time off and generous holiday calendars.
- Employee stock purchase plan with discounted stock.