Director, Software Engineering (Site Reliability Engineering)

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.

As a Director of Site Reliability Engineering, you will own execution for reliability, availability, and operational excellence across Affirm’s global platform. You will be accountable for ensuring that our core services consistently meet high availability and performance expectations for both consumers and external partners, while evolving our systems to scale safely and efficiently.

In this role, you will build and mature best-in-class reliability practices, including incident response, risk management, and operational lifecycle programs, embedding resilience into every stage of development. You will partner closely with Product, Security, Enterprise Risk, Legal, Compliance, and Engineering leaders to proactively identify and mitigate systemic risks across the organization.

You will hire, grow, and lead a diverse, global team of SREs, systems engineers, and full-stack engineers, fostering a culture that values learning, experimentation, and accountability. As a senior technical leader, you will balance hands-on technical depth with strategic leadership, helping Affirm move fast while maintaining the trust of our users and partners at scale.

What you’ll do

• Set the vision and drive execution for Reliability Engineering at Affirm
• Own and coordinate delivery of high availability of core Affirm’s services, to attain our service level standards and expectations with external partners
• Iterate and maintain a best-in-industry global incident response & lifecycle program
• Build software and program management structure to perform continual risk management across the entire Affirm system and Engineering organization
• Run a robust development lifecycle establishing a culture for operational excellence, while experimenting and failing fast
• Work with a wide variety of cross functional partners outside of engineering ranging from product, enterprise risk, security, legal and compliance
• Hire and build a global team of SREs, system engineers, and full stack engineers
• Cultivate a respectful and supportive environment for all team members that effectively demonstrates the diversity of the team

What we look for

• 15+ years of relevant experience in software and site reliability engineering
• Experience leading SRE, systems engineering, and full stack engineering teams
• Successful track record driving key outcomes that drive the company’s success
• Comfortable partnering across disciplines and influencing across a wide variety of leaders
• World-class communicator with excellent instincts for empathetic messaging
• Keen technical mind comfortable reading and understanding full-stack code
• Proven track record of establishing and growing teams, retaining talent, and comfort working with ambiguity
• This position requires either equivalent practical experience or a Bachelor’s degree in a related field