Senior Backend Architect, AI-Driven FinTech

Affirm; Salt Lake City (UT); Remote; USD 236,000 - 325,000; Full time

Benefits offered by this job

Health coverage at no cost to you and

Spending stipends for tech setup

Job summary

Affirm is seeking a Senior Staff Software Engineer to define and lead technical excellence across its Cards technology stack. You will set architectural direction, partner with AI initiatives, and guide multiple engineering teams to deliver scalable, reliable solutions.

You will mentor engineers, drive a culture of ownership, and collaborate with stakeholders to balance technical strategy with business outcomes in a remote-first environment.

Qualifications

• 10+ years of experience across the stack and backend architectural improvements.
• Experience driving change across large engineering organizations and teams.
• Proven track record leading critical projects with cross-team impact.

Responsibilities

• Define the technical direction and long-term roadmap for Cards.
• Lead from the front, leveraging AI to improve speed and quality of work.
• Collaborate with stakeholders to implement technical excellence tied to business results.
• Create an ownership culture with high accountability for scale and efficiency.
• Architect platform choices to support reliability and consistency across systems.
• Mentor engineers and promote best practices across teams.

Skills

Full-stack experience

React Native

JavaScript

Kotlin

Education

Bachelor's degree or equivalent practical experience

Job description

Affirm is seeking a Senior Staff Software Engineer to define and lead technical excellence across its Cards technology stack. You will set architectural direction, partner with AI initiatives, and guide multiple engineering teams to deliver scalable, reliable solutions.

You will mentor engineers, drive a culture of ownership, and collaborate with stakeholders to balance technical strategy with business outcomes in a remote-first environment.