Senior Software Engineer, Backend (Growth Platform)

Affirm • mississauga, peel region, Canada • Posted June 01, 2026

Location mississauga, peel region

Job Type Full-time

Category Other-General

Posted June 01, 2026

Senior Software Engineer, Backend (Growth Platform) Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. 
About The Team The Growth Platform Engineering team builds the core systems and tools that drive user acquisition, engagement, and lifecycle growth at Affirm . Our platform enables personalized communications, intelligent experimentation, and scalable services that help customers discover and adopt Affirm’s  products. We collaborate closely with Product, Data Science, and Experience teams to design APIs, event-driven services, and experimentation frameworks that reach millions of customers across thousands of merchants. This team’s work directly impacts how customers experience Affirm  and fuels our long-term growth. 
What You’ll Do You will be responsible for owning and delivering quarterly go...
            

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