Senior Software Engineer, Backend (ML Feature Platform) (Fully Remote)

Affirm, Inc.; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

Affirm is seeking a senior backend engineer to design and deliver scalable systems in a remote-first environment. You will own quarterly goals, lead through ambiguity, and collaborate with peers on product decisions to move fast and safely.

You will develop highly available services using Python or Kotlin, AWS, MySQL, and Kubernetes, and mentor teammates to raise the bar on quality and reliability across the platform.

Qualifications

• 4+ years of experience designing backend systems at scale with Python or Kotlin.
• Proven track record developing highly available distributed systems using AWS, MySQL and Kubernetes.

Responsibilities

• Own and deliver quarterly goals for your team, leading through ambiguity.
• Support peers and stakeholders by collaborating on product decisions.
• Identify and solve project, process, or business issues proactively.
• Support operations and availability of team artifacts through monitoring and on-call.
• Foster a culture of quality by improving code review and design standards.
• Develop talent on your team through feedback and guidance.

Skills

Backend design

Python

Kotlin

Distributed systems

Tools

AWS

MySQL

Kubernetes

Job description

• You will own and deliver quarterly goals for your team, leading through ambiguity.
• You will support peers and stakeholders by collaborating on product decisions.
• You will identify and solve project, process, or business issues proactively.

What you'll do:

• Support operations and availability of team artifacts through monitoring and on-call.
• Foster a culture of quality by improving code review and design standards.
• Develop talent on your team through feedback and guidance.

What we look for:

• 4+ years experience designing backend systems at scale with Python or Kotlin.
• Track record of developing highly available distributed systems (AWS, MySQL, Kubernetes).

Affirm

Affirm provides a clear, predictable way to pay over time with no hidden fees. It is a remote-first company with a global engineering team that builds reliable, performant, and scalable solutions.