Senior Software Engineer, Full-Stack

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.

Trust & Safety Experience owns the customer journeys during authentication, verification, and fraud journeys. You will work as a full stack engineer, contributing to backend, web, and mobile interfaces. 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 a total of 4+ years of experience as a software engineer. • You are experienced in designing, developing and launching backend systems at scale technologies like Python, Kotlin, AWS, MySQL, and Kubernetes. • You have experience shipping web apps using declarative UI frameworks like React or Vue. • 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 - CAN 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 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).

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

Affirm is proud to be a remote‑first company The majority of our roles are remote and you can work almost anywhere within the country of hire. We have a simple and transparent remote‑first grade‑based compensation structure. Offer amounts within the range are based on a number of factors including but not limited to job‑related skills, experience, and relevant education or training. Across the broader organization, certain roles are eligible for equity awards upon hire, promotion, tenure milestones and for performance. 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, various lifestyle needs, and family‑forming expenses • Time off – competitive vacation and holiday schedules allowing you to take time off to rest and recharge • ESPP – an employee stock purchase plan enabling you to buy shares of affirm at a discount