Senior Software Engineer, Backend – ML Feature Platform
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Job Description
Senior backend engineer building scalable ML feature infrastructure for Affirm’s pay-over-time platform. Leading delivery, reliability, technical standards, and team development.
Responsibilities:
- Own and deliver quarterly goals for the team
- Lead engineers through ambiguity to solve open-ended problems
- Support team members throughout delivery
- Collaborate with product management, design, and analytics throughout the product development lifecycle
- Participate in ideation and articulate technical constraints
- Partner on decisions considering risks and trade-offs
- Identify and lead resolution of project, process, technology, and business issues
- Support operations and availability of team artifacts
- Create and monitor metrics and escalate issues when needed
- Support keep-the-lights-on and on-call efforts
- Set and improve code review and design standards
- Advocate for quality and ownership through writing and tech talks
- Develop team talent through feedback, guidance, and leading by example
Requirements:
- 4+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin
- Track record developing highly available distributed systems
- Experience with AWS, MySQL, and Kubernetes
- Experience defining technical plans for significant features or system components
- Elegant, simple, and extensible system design skills
- Ability to write high-quality, maintainable code
- Proficiency making significant changes in large codebases
- Tools and practices for safely modifying large codebases
- Proactively seeks feedback and takes ownership of professional growth
- Strong verbal and written communication skills
- Equivalent practical experience or a Bachelor's degree in a related field
Benefits:
- Equity rewards may be included in the total compensation package
- Monthly stipends for health, wellness, and tech spending
- 100% subsidized medical coverage for employees and dependents
- Dental and vision coverage for employees and dependents
- Remote-first work with flexibility within the country of employment
- Flexible time off
- Generous holiday calendars
- Employee stock purchase plan (ESPP) allowing employees to buy Affirm stock at a discount
- Inclusive interview process and accommodations for candidates with disabilities
- In-person onboarding experience for all new hires
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