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Senior Software Engineer for Web Infrastructure

Affirm

ottawa, on, Canada Full-time July 18, 2026

Found Description

Shape the future of web development at Affirm as a Senior Staff Software Engineer. Lead architectural decisions and mentor a talented team while enhancing platform reliability and performance.
In this senior role at Affirm, you’ll be pivotal in defining and leading our web platform across all engineering teams. Responsibilities include mentoring senior engineers, implementing best practices, and optimizing our large monorepo build systems. You will drive the AI strategy for web development to enhance code quality and delivery speed.
Key Responsibilities:
• Define and lead web platform architecture and strategy
• Mentor and grow a talented team of senior engineers
• Enhance large monorepo build and deploy systems
• Architect core platform components for new features
• Implement AI tools to improve development efficiency
Requirements:
• 10+ years of web application architecture experience
• Strong communication and project management skills
• Mastery of w...

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