Software Engineer II, Full Stack (Card Pre-Swipe Experience)

Affirm; Oshawa; Remote; CAD 133,000 - 183,000; Full time

Benefits offered by this job

Health coverage for employees and 100%

Monthly tech stipends

Generous time off

Equity opportunities

Job summary

Affim is seeking a Full-stack Software Engineer II to join our remote-first team in Canada. You will design and ship backend services using Python or Kotlin, build APIs at scale, and collaborate across product and design to deliver reliable, customer-focused checkout experiences.

You will work with AWS, MySQL, and Kubernetes, contribute to a distributed system, and participate in code reviews and on-call rotations.

Qualifications

• 1.5+ years of experience as a software engineer.
• Experience designing, developing and launching backend systems and APIs in Python or Kotlin.
• Familiar with distributed systems and technologies like AWS, MySQL and Kubernetes.
• Experience shipping web apps with declarative UI frameworks like React or Vue.

Responsibilities

• Break down large projects into tasks and deliver in phases with timely delivery.
• Collaborate with product, design and analytics to discuss constraints and trade-offs.
• Support operations and availability by building metrics and on-call readiness.
• Contribute to team growth through interviews and mentoring.

Skills

Python

Kotlin

React

Vue

Distributed systems concepts

Code reviews

Ownership & growth mindset

Strong communication

Tools

AWS

MySQL

Kubernetes

REST APIs

Job description

At Affim, 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.

We build the experiences that connect a customer's intent to buy with the flexibility of Affim Card. From making financing options easier to understand to creating intuitive checkout journeys, we turn complex financial capabilities into simple, trustworthy experiences. Our roadmap includes evolving Default Terms, supporting additional cards, and strengthening the mobile experiences customers rely on when deciding how to pay.

Our work sits at the intersection of mobile, backend systems, and product innovation. We partner closely with Product, Design, and engineering teams across Affim to introduce new capabilities while protecting the reliability of our checkout-critical surfaces.

As a full-stack Software Engineer II, you'll help bring these experiences to live through customer-facing features and the services behind them. We're looking for a curious, collaborative engineer who cares about the complete customer journey and enjoys turning challenging problems into thoughtful solutions. Together, we'll make Affim Card easier to use and help customers make financial decisions with greater confidence.

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 designing, developing and launching backend systems and are proficient in one of Python or Kotlin.
• You are familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL and Kubernetes.
• You have experience shipping web apps using declarative UI frameworks like React or Vue.
• You have experience designing, developing and launching APIs at scale using languages like Python or Kotlin.
• 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.

Base Pay Grade

- L

Equity Grade

- 5

Employees new to Affim typically come in at the start of the pay range. Affim 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 Affim Holdings, Inc. (parent company).

CAN base pay range per year

CAD $133,000 - $183,000.

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.

Remote-first with flexibility built in

Affim 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 Affim 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

• 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 Affim stock at a discount.

We’re committed to providing an inclusive interview process, including accommodations for candidates with disabilities.

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