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Senior Software Engineer, Backend (Authentication Experience)

Join Affirm as a Senior Software Engineer to lead backend development for authentication and fraud prevention in a remote-first environment.

Location
Remote Canada
Compensation
CA$153k–CA$213k/yr
Level
senior
Type
full time · Remote

Posted by employer 2 weeks ago

First seen on Joblaze 1 week ago

Last verified on the company career page 18 hours ago

Skills & Technologies

Requirements

Experience
4+ years

Not disclosed in this posting: visa sponsorship.

Benefits

Flexible Spending Wallets Time off Equity/Stock Options Health Insurance

Joblaze summary

In this role, the Senior Software Engineer focuses on developing backend systems that enhance the authentication and verification processes for Affirm's customers. Proficiency in languages like Python or Kotlin, along with experience in AWS and Kubernetes, is essential for building high-availability systems. This position is ideal for someone with over four years of experience in backend development who can navigate complex challenges and foster team collaboration. Affirm's commitment to a remote-first culture supports a flexible working environment.

Joblaze insights

Quick facts

Is the Senior Software Engineer, Backend (Authentication Experience) role remote?
Yes — Affirm lists this as a fully remote position.
What's the salary range?
Affirm lists CAD 153,000–CAD 213,000 for this role.
How much experience is required?
At least 4 years of relevant experience for this Senior Software Engineer, Backend (Authentication Experience) role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Kotlin, Kubernetes, MySQL, Python.
What seniority level is this role?
Affirm targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Software Engineer, Backend (Authentication Experience) role at Affirm.

From the original posting

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.

Auth Experience owns the customer journeys during authentication, verification, and fraud journeys. You'll work to build the backend orchestration layers that drive our Web and Mobile surfaces. In this role, you will need to gain a deep understanding of the business, product and engineering context, and utilize that context to own and deliver high-availability and low-latency systems that Affirm customers use every day.


What You'll Do

· You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery.
· 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 proactively identify project, process, technology or business issues, advocate for them, and lead in solving them.
· 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 foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks.
· You will help develop talent on your team by providing feedback and guidance, and leading by example.


What We Look For

· You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin.
· You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes.
· You have experience working close to the web and mobile layers, with an understanding of frontend design patterns such as fraud prevention and backend-for-frontend.
· You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others.
· You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely.
· 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.

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.

This posting is for an existing vacancy.

#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.

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