Senior Backend Engineer - Scalable Systems (Remote)

Affirm, Inc.; Salt Lake City (UT); Remote; USD 173,000 - 233,000; Full time

Benefits offered by this job

100% employee health coverage

Monthly tech stipends

Generous time off

Employee stock purchase plan (ESPP)

Job summary

Affim is building the backend that powers the way people pay over time, focusing on scale, reliability, and a transparent user experience. You will work on the core consumer engineering platform, owning quarterly goals and delivering robust features with partner teams across product, design, and analytics.

The role emphasizes ownership, high-quality code, and collaboration in a remote-first environment with flexible in-person options.

Qualifications

• 4+ years of experience designing, developing and launching backend systems at scale.
• Experience with Python or Kotlin and distributed systems.
• Strong ownership mindset, proactive feedback-seeking, and collaboration.

Responsibilities

• Own and deliver quarterly goals for your team and lead engineers through ambiguity.
• Collaborate with product management, design, and analytics in the lifecycle of development.
• Identify and lead resolution of project, process, technology or business issues.
• Support operations and availability of team artifacts, monitor metrics, and participate in on-call tasks.
• Set or improve code review and design standards across the team and beyond.
• Develop talent by giving feedback and leading by example.

Skills

Python

Kotlin

Backend systems

Distributed systems

AWS

MySQL

Kubernetes

Code quality

Collaboration

Education

Bachelor’s degree or equivalent practical experience

Job description

Affim is building the backend that powers the way people pay over time, focusing on scale, reliability, and a transparent user experience. You will work on the core consumer engineering platform, owning quarterly goals and delivering robust features with partner teams across product, design, and analytics.

The role emphasizes ownership, high-quality code, and collaboration in a remote-first environment with flexible in-person options.