H
Canada· Full-time· Remote
C$164K – C$225K/yr
● Top 25% pay versus similar roles
AIRecruitment
A
Role overview
Job 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 Capacity Modeling team ensures Affirm can safely handle forecasted traffic—especially during peak sales events—by translating demand forecasts into concrete, testable capacity plans. They build and maintain statistical capacity models that map traffic inputs (e.g., checkout volume, app opens, batch/job activity) to resource outputs (CPU, memory, connections) and then convert those forecasts into recommended capacity settings such as pod counts, HPA ranges, and/or infrastructure sizing changes across regions and environments. What You'll Do · You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensur
…About this listing
- Listed from Affirm's careers site via Greenhouse · last confirmed on the source 23 Oct 2026
- Posted 21 Oct 2026
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Role market pulse
How Senior Software Engineer demand looks in Canada
Live jobs
157
Posted 30d
49
30d movement
-15.5%
Remote share
31.8%
Salary listed
78.3%
Salary trend 1Y
Not enough history
What they are looking for
Skills & requirements
Qualification
What We Look For · You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin; · This position requires either equivalent practical experience or a Bachelor’s degree in a related field; For positions based in San Francisco or Los Angeles: Affirm considers qualified applicants with arrest and conviction records, as required by law
Department · Infrastructure Platform Eng
Hiring company
Affirm
Technology
At Affirm, we believe that the financial industry works better for everyone when it’s fair, honest, and inclusive. We help people pay over time for almost anything—with no late fees or surprises. Through advanced technology and analytics that look beyond FICO, we’re able to serve a much broader population than other lenders.
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