[Hiring] Senior Software Engineer, Backend (ML Feature Platform) @Affirm

Role Description

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

The Engineering team builds systems that power Affirm’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we’re enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus is on solving complex problems through exceptional engineering.

ML Feature Platform’s mission is to:

• Grow Affirm’s business by building a delightful, self-serve platform for developing and serving data for machine learning and decisioning.

As the feature platform team, we own multiple artifacts that in aggregate own the end-to-end flows for features. This includes:

• Feature creation, exploration, and serving
• Data storage, availability, and visibility
• Offline backfilling infrastructure and platform improvements

This scope means your work will have a direct impact on the everyday lives and capabilities for our end users: MLEs, Analysts, and decisioning teams. Additionally, as the primary data source for ML and online decisioning, our platform’s performance is critical to Affirm’s availability and latency goals.

We’re looking for engineers who are passionate about ML enablement and believe that platform level improvements can bring snowball effects across the company.

What you’ll do:

• Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
• Support peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics.
• Proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
• Support the operations and availability of your team’s artifacts by creating and monitoring metrics.
• Foster a culture of quality and ownership on your team by setting or improving code review and design standards.
• Help develop talent on your team by providing feedback and guidance, and leading by example.

Qualifications

• 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
• Track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
• Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design.
• Proficient at making significant changes in a large code base, with developed tools and practices for safe modifications.
• Demonstrated ownership of personal growth, proactively seeking feedback from team, manager, and stakeholders.
• Strong verbal and written communication skills for effective collaboration with a global engineering team.

Requirements

• Base Pay Grade - N
• Equity Grade - 6
• Base pay range per year: $153,000 - $213,000
• Location - Remote Canada
• This remote role is open only to candidates residing in specific provinces.

Benefits

• Health coverage at no cost: 100% of premiums for employees and their dependents.
• Monthly stipends for tech setup and health/wellness options.
• Flexible time off and generous holiday calendars.
• Employee stock purchase plan (ESPP) to buy Affirm stock at a discount.

Company Description

Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.