Senior Backend Engineer – Scale & Reliability (Remote)

Affirm, Inc.; Washington (District of Columbia); Remote; USD 173,000 - 233,000; Full time

Benefits offered by this job

100% covered medical for you and your.

Tech setup stipend

Flexible time off

ESPP

Job summary

Affirm, Inc. is seeking a senior backend engineer to own and deliver scalable systems within Consumer Engineering. You’ll work with product, design, and analytics to drive features from ideation to delivery, balancing constraints and risks while maintaining high-quality code.

The role emphasizes ownership, proactive problem solving, and collaboration with a global engineering team. This is a remote-first position with nationwide flexibility, based in the United States.

Qualifications

• 4+ years designing, developing and launching backend systems at scale with Python or Kotlin.
• Experience building highly available distributed systems using AWS, MySQL, and Kubernetes.
• Defined a technical plan for delivering a significant feature with simple, extensible design.
• Writes high quality, maintainable code and safety-focused changes in large codebases.
• Takes ownership of growth and seeks feedback from team, manager, and stakeholders.
• Strong verbal and written communication for collaboration with a global team.
• Equivalent practical experience or a Bachelor's degree in a related field.

Responsibilities

• Own and deliver quarterly goals for your team, guiding engineers through ambiguity to solve open-ended problems.
• Collaborate with product management, design & analytics to ideate, articulate technical constraints, and trade-offs.
• Identify and lead the resolution of project, process, technology or business issues.
• Support operations and availability of team artifacts by creating metrics and supporting on-call efforts.
• Set or improve code review and design standards to foster quality and ownership across the team.
• Develop talent on your team by providing feedback and leading by example.

Skills

Backend systems design

Python or Kotlin

Distributed systems

AWS

MySQL

Kubernetes

Communication

Ownership

Education

Bachelor's degree or equivalent practical experience

Job description

Affirm, Inc. is seeking a senior backend engineer to own and deliver scalable systems within Consumer Engineering. You’ll work with product, design, and analytics to drive features from ideation to delivery, balancing constraints and risks while maintaining high-quality code.

The role emphasizes ownership, proactive problem solving, and collaboration with a global engineering team. This is a remote-first position with nationwide flexibility, based in the United States.