Senior Software Engineer, Backend (Growth Platform)

Senior Software Engineer, Backend (Growth Platform)

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.

Growth Platform Engineering Team

The Growth Platform Engineering team builds the core systems and tools that drive user acquisition, engagement, and lifecycle growth at Affirms. Our platform enables personalized communications, intelligent experimentation, and scalable services that help customers discover and adopt Affirms products. We collaborate closely with Product, Data Science, and Experience teams to design APIs, event‑driven services, and experimentation frameworks that reach millions of customers across thousands of merchants.

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.

Strong understanding of distributed systems, data modeling, and service‑oriented architecture.

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.

This position requires either equivalent practical experience or a Bachelor’s degree in a related field.

Location

Remote Canada

Pay Grade

Equity Grade

Pay Range

CAN base pay range per year : $150,000 - $200,000

Benefits

Health care coverage – Affirms 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.

Employee Stock Purchase Plan – an employee stock purchase plan enabling you to buy shares of Affirms 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.

By clicking “Submit Application,” you acknowledge that you have read Affirms 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.

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