Senior Software Engineer, Fullstack (App Experience)

affirm· Consumer Engineering
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🌍 Remote📍 Remote Canada💰 CAD 153K–213K

About this role

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.

The Marketplace and App Experience domain is the main pillar of our core consumer strategy, driving the user journey across all of our frontend surfaces: Mobile and Web. The teams span across multiple products and areas to engage and provide value to our customers, starting with the Home hub in the app or website, which expands into the various product offers and journeys a user can embark on with Affirm. This role will be at the forefront of our front-end facing cross-team projects, working closely with other teams and engineers across our mobile and web technologies, while also evolving and collaborating with every product experience team at Affirm.

What You'll Do

  • With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work.
  • You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs.
  • You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts.
  • You will contribute to a sense of community on your team by engaging in growth and development activities such as participation in the interview process.


What We Look For

  • You have a total of 1.5+ years of experience as a software engineer.
  • You have experience shipping web apps using declarative UI frameworks like React or Vue
  • You have experience shipping mobile apps using native or cross-platform languages like React Native
  • You have experience designing, developing and launching APIs at scale using languages like Kotlin or Python.
  • You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code.
  • You are comfortable navigating a large code base, debugging others' code, and providing feedback to other engineers through code reviews.
  • Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders.
  • You have strong verbal and written communication skills that support effective collaboration with our global engineering team.
  • This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Base Pay Grade - N

Equity Grade - 6

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: CAD $153,000 - $213,000

Location - Remote Canada
This remote role is open only to candidates residing in Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, or Saskatchewan.

#LI-Remote

Remote-first with flexibility built in
Affirm is proud to be a remote-first company. Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires will be invited to attend an in-person onboarding experience.

Benefits designed for you
Our benefits reflect our commitment to care, transparency, and flexibility. Here are a few highlights:

  • Health coverage at no cost: We cover 100% of premiums for employees and their dependents.
  • Spending stipends: Monthly stipends support your tech setup, and the ability to choose health and wellness options that are right for you.
  • Time off to recharge: Flexible time off and generous holiday calendars help you rest when you need to.
  • Own a piece of what you build: Our employee stock purchase plan (ESPP) lets you buy Affirm stock at a discount.

We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities. If you need support, we’re happy to help.

For positions based in San Francisco or Los Angeles: Affirm considers qualified applicants with arrest and conviction records, as required by law.

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.

Frequently Asked Questions

What is the salary for the Senior Software Engineer, Fullstack (App Experience) role at affirm?
The listed salary for this Senior Software Engineer, Fullstack (App Experience) position at affirm is CAD 153K–213K. This is a remote full-time role.
Is the Senior Software Engineer, Fullstack (App Experience) job at affirm remote?
Yes, this Senior Software Engineer, Fullstack (App Experience) position at affirm is remote, with team members based in Remote Canada. You can work from home or anywhere in the supported regions.
Which team or department does the Senior Software Engineer, Fullstack (App Experience) at affirm belong to?
This Senior Software Engineer, Fullstack (App Experience) position is part of the Consumer Engineering department at affirm. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Software Engineer, Fullstack (App Experience) position at affirm?
Click the "Apply Now" button on this page. You will be redirected to affirm's official application portal hosted on greenhouse where you can submit your application directly.
When was the Senior Software Engineer, Fullstack (App Experience) job at affirm posted?
This Senior Software Engineer, Fullstack (App Experience) position at affirm was posted on Oct 9, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Software Engineer, Fullstack (App Experience)
affirm · 💰 CAD 153K–213K
Apply for this role ↗

You'll be redirected to affirm's official application page on Greenhouse.