Senior Software Engineer, Backend

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. The Engineering team that builds systems powering affirm’s mission. We pride ourselves on building reliable, performant, and scalable solutions that touch every part of the business. Whether we’re enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus is on solving complex problems through exceptional engineering. About The Team The Growth Platform Engineering team builds the core systems and tools that drive user acquisition, engagement, and lifecycle growth at affirm. Our platform enables personalized communications, intelligent experimentation, and scalable services that help customers discover and adopt affirm’s 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. This team’s work directly impacts how customers experience affirm and fuels our long‑term growth. What You'll Do Own and deliver quarterly goals for your team, lead engineers through ambiguity to solve open‑ended problems, and ensure everyone is supported throughout delivery. Support peers and stakeholders in the product development lifecycle by collaborating with product management, design, and analytics, articulating technical constraints, and partnering on decisions that properly consider risks and trade‑offs. Proactively identify project, process, technology, or business issues, advocate for them, and lead in solving them. Support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” and on‑call efforts. Foster a culture of quality and ownership on your team by setting or improving code review and design standards, and advocating for them beyond your team through your writing and tech talks. Help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For 4+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin. 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. Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple, and extensible design. Proficiency at making significant changes in a large code base and developing a suite of tools and practices that enable safe modifications. Demonstrated ownership of personal growth and proactive seeking of feedback from team, manager, and stakeholders. Strong verbal and written communication skills that support effective collaboration with our global engineering team. Either equivalent practical experience or a Bachelor’s degree in a related field. Location - Remote Canada This position is remote. Employees new to affirm typically start at the beginning of the pay range. Base pay includes a total compensation package that may include equity rewards, monthly stipends for health, wellness, and tech spending, and benefits (including 100% subsidized medical coverage, dental, and vision for you and your dependents). Base pay range: $150,000 – $200,000 per year. Benefits 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, lifestyle needs, and family expenses. Time off – competitive vacation and holiday schedules. 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. 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. #J-18808-Ljbffr