Senior Backend Engineer — Scale, Ownership, Remote-First

Affirm, Inc.; Phoenix (AZ); Remote; USD 173,000 - 233,000; Full time

Benefits offered by this job

Health coverage

Tech stipends

Flexible time off

ESPP

Job summary

Affirm, Inc. is seeking a Senior Backend Engineer to own quarterly goals, deliver scalable services, and collaborate with product, design and analytics to ship reliable features. You will lead engineers, define technical plans, and drive ownership across the team.

You'll work on highly available systems in AWS with MySQL and Kubernetes, write high-quality code, and mentor teammates while prioritizing growth and collaboration in a remote-first environment.

Qualifications

• 4+ years in designing, developing and launching backend systems at scale.
• Experience with distributed systems in production using AWS, MySQL and Kubernetes.
• Defined technical plans for delivering large features or systems with clear design.
• Ability to make significant changes in a large codebase safely.

Responsibilities

• Own and deliver quarterly goals for your team and lead engineers through ambiguity.
• Collaborate with product, design & analytics in ideation and constraint articulation.
• Identify and solve project, process, technology, or business issues and advocate for solutions.
• Support operations of team artifacts by creating metrics and on-call involvement.
• Set and improve code review and design standards across the team.
• Mentor and develop talent through feedback and example.

Skills

Backend design

Python

Kotlin

Distributed systems

AWS

MySQL

Kubernetes

Technical planning

Code ownership

Communication

Education

Bachelor’s degree or equivalent

Tools

AWS

MySQL

Kubernetes

Job description

Affirm, Inc. is seeking a Senior Backend Engineer to own quarterly goals, deliver scalable services, and collaborate with product, design and analytics to ship reliable features. You will lead engineers, define technical plans, and drive ownership across the team.

You'll work on highly available systems in AWS with MySQL and Kubernetes, write high-quality code, and mentor teammates while prioritizing growth and collaboration in a remote-first environment.