Role Overview
Affirm is hiring a Senior Staff Software Engineer, Frontend (Web Infra). This is a full-time remote role, with the team based in Remote Canada. Part of Affirm's Frontend hiring. Full responsibilities, required qualifications, and the apply link are listed in the description below.
Salary Context
Salary is not disclosed in this posting. Market median for Staff-level Frontend roles is $188k-$252k (based on 16 comparable listings). Many employers share specifics during the interview process or after an initial screen.
Resume Keywords to Include
Make sure these keywords appear in your resume to improve ATS scoring
Job description
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.
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'll 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’ll help mentor and grow a talented team of senior engineers, and build relationships with architects and product teams across Affirm.
What You'll Do
- 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
What We Look For
- 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.
Pay Grade - R
Equity Grade - 9
Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills.
Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc. (parent company).
CAN base pay range per year: $209,000 - $269,000
This posting is for an existing vacancy
#LI-Remote
Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.
We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include:
- Health care coverage - Affirm covers all premiums for all levels of coverage for you and your dependents
- Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
- Time off - competitive vacation and holiday schedules allowing you to take time off to rest and recharge
- ESPP - An employee stock purchase plan enabling you to buy shares of Affirm at a discount
We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.
[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.
By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.
About Affirm

Affirm
affirm.com
143 other open roles at Affirm on TryApplyNow.
Frequently Asked Questions
How do I apply for the Senior Staff Software Engineer, Frontend (Web Infra) position at Affirm?
Use the Apply button above to submit your application directly to Affirm. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Is the Senior Staff Software Engineer, Frontend (Web Infra) role at Affirm remote?
Yes. This is a remote role. The team is based in Remote Canada, but the position itself does not require relocating to that office.
What does a Senior Staff Software Engineer, Frontend (Web Infra) at Affirm earn?
Affirm has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Staff Software Engineer, Frontend (Web Infra) role at Affirm posted?
This role was posted on June 18, 2026 (33 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
Similar Jobs
AI Software Engineer
Meridianlink
Staff Frontend Engineer, Client Data & Networking Platform
Airbnb
Senior Software Engineer, Enterprise
Toast
Senior Software Engineer
Kong
Principal Software Engineer – Web Infrastructure (Frontend DevEx)
Alphasense
More Jobs at Affirm
View all →Senior Machine Learning Engineer (Fraud)
Affirm
Revenue Enablement Program Manager
Affirm
Director of Product Management, Financial Platforms
Affirm
Resolutions Lead
Affirm
Analytics Lead, Full Stack
Affirm
AI-powered job search
Get every job scored to your resume
Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.
Get started freeNo credit card to start