Senior Backend Engineer — Remote-First, Scalable Cloud

Affirm

St. Louis (MO)

On-site

USD 173,000 - 255,000

Full time

5 days ago
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Benefits offered by this job

Health coverage
Equity (ESPP)
Time off
Tech stipends

Job summary

Affirm is seeking a senior backend engineer to own quarterly goals and guide a team through ambiguity, delivering scalable batch processing solutions on AWS/Kubernetes for ML, product, and finance workloads. You will collaborate across product, design and analytics to architect robust systems and ensure reliability.

You will drive code quality, participate in on-call rotations, and mentor teammates while shaping engineering standards and best practices.

Qualifications

  • 4+ years of experience designing, developing and launching backend systems at scale.
  • Experience with AWS, MySQL and Kubernetes for highly available distributed systems.
  • Experience with workflow orchestration tools (Airflow, Flyte, Prefect, Temporal, Luigi).
  • Experience scaling frameworks like Spark/Flink on Kubernetes is a plus.

Responsibilities

  • Own and deliver quarterly goals for your team and lead engineers through ambiguity.
  • Collaborate with product, design & analytics in ideation and decision-making.
  • Identify and solve project, process, or technology issues; drive improvements.
  • Monitor metrics and support on-call efforts to maintain reliability.
  • Set and improve code review and design standards across the team.

Skills

Backend design
Team leadership
Systems thinking
Communication

Education

Bachelor's degree in related field

Tools

Python
Kotlin
AWS
MySQL
Kubernetes
Airflow
Flyte
Prefect
Temporal
Luigi

Job description

Affirm is seeking a senior backend engineer to own quarterly goals and guide a team through ambiguity, delivering scalable batch processing solutions on AWS/Kubernetes for ML, product, and finance workloads. You will collaborate across product, design and analytics to architect robust systems and ensure reliability.

You will drive code quality, participate in on-call rotations, and mentor teammates while shaping engineering standards and best practices.

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