Senior Staff Software Engineer, Frontend (Web Infra)

Affirm is a financial technology company that provides a clear, predictable way to pay over time, with no hidden fees or surprises. We help people pay over time for almost anything, using advanced technology and analytics that look beyond FICO to serve a broader population.

Affirm is looking for a Senior Staff Software Engineer to take on a critical role in defining and leading web platform and infrastructure across all web engineering. You will shape best practices, lead architectural choices, and drive the successful delivery of critical initiatives. This role requires a high level of technical ability and leadership, and experience with advancing and improving design systems, application architecture, CI/CD, observability, performance, and AI tooling for complex, mission critical web applications. You will help mentor and grow a talented team of senior engineers, and build relationships with architects and product teams across Affirm.

• Build and drive web development strategy for all frontend teams
• Deliver critical improvements to our large monorepo build and deploy systems, focusing on high reliability and performance
• Architect and contribute to decisions on the right platform, tools, and technologies to support consistency and reliability
• Empower web engineers to leverage AI to improve delivery speed, code quality, and developer experience across all web engineers at the company
• Help define Affirm’s web development AI strategy, leveraging agents and agent orchestration, to automate complex workflows
• Design, implement, and extend core platform components and functionality to enable new products and features to be built
• Plan, design, and build our core platform software and systems to scale with an increasing number of users, features, business requirements, partners, and new engineers

• 10+ years of experience architecting, building and scaling Web Apps for large users base
• A deep understanding of both the current and emerging web technologies, such as React, Typescript, NX, Oxlint, TurboRepo, RSPack, and Vite
• The ability to create and drive a complete technical vision and roadmap - you are detail-oriented, but you are able to step back, look at the big picture, and make bold system-level and platform-level calls for change
• Track record of successfully leading critical projects and leveraging partner teams for company-wide results
• Extensive experience developing and implementing technical strategy that drove prominent change in system reliability and performance
• Previous project management or people management experience: You know how to influence, effectively communicate, and coach others
• Take Ownership: You embody an ownership mindset and help influence a similar culture to those around you
• You have strong verbal and written communication skills that can help influence and share critical decisions with stakeholders
• This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Base pay is part of a total compensation package that may include equity rewards, monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)

USA base pay range (CA, WA, NY, NJ, CT) per year: $265,000 - $325,000

USA base pay range (all other U.S. states) per year: $236,000 - $296,000

Benefits highlights: Health coverage at no cost (100% of premiums for employees and dependents), spending stipends, flexible time off and generous holiday calendars, and employee stock purchase plan (ESPP) to buy Affirm stock at a discount.

Click the 'Submit Application' button on the job posting page to apply. By clicking 'Submit Application,' you acknowledge that you have read Affirm's Global Candidate Privacy Notice and consent to the use of your personal information as described.