Software Engineer II, Backend; Infrastructure

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 Cost Engineering Team is looking for a Software Engineer II. The engineer is responsible for driving financial visibility, cost efficiency, and long‑term economic sustainability across our cloud infrastructure. We blend engineering, data analysis, and financial insight to ensure that every technical decision upholds availability while preserving cost efficiency.

• 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.

• 1.5+ years of experience as a software engineer.
• Experience designing, developing and launching backend systems and proficiency in one of Python or Kotlin.
• Familiarity with distributed systems and technologies such as AWS, MySQL, and Kubernetes.
• Experience building cost visibility via tagging and creating cost savings opportunities via cost analysis.
• Ability to take a simple problem or business scenario into a solution that interacts with multiple software components, and execute on it by writing clear, well‑tested, extensible code.
• Comfortable navigating a large code base, debugging others’ code, and providing feedback through code reviews.
• Ownership of personal growth, proactively seeking 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.

Pay Grade – L
Equity Grade – 5
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). Eligible for equity rewards offered by affirm holdings, inc.

Can base pay range per year: $125,000 – $175,000

Affirm is proud to be a remote‑first company! The majority of our roles are remote and you can work almost anywhere within your country of employment. Occasionally you may be required to work out of your assigned affirm office depending on job responsibilities.

• 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 formation 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.

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.

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