Job Details

Senior Software Engineer (Experimentation 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 AXP team empowers to make data‑driven decisions and enable safe rollouts. We support launches through Feature Flags and enable hypothesis‑driven learning through controlled experiments that help grow the business. AXP builds the APIs, systems, and workflows that allow engineers to target, ramp, and measure changes. We believe Simpler is Better and strive to improve our engineer's ability to deliver impact without compromising availability.

What You'll Do

• You will own and deliver quarterly goals for your team, leading engineers 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, and analytics, articulating technical constraints, and partnering on decisions that 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” and on‑call efforts.
• You will foster a culture of quality and ownership on your team by setting or improving code review and design standards, and advocating for them through writing and tech talks.
• You will 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.
• Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple, and extensible design; write high‑quality code that is easily understood and used by others.
• Proficient at making significant changes in a large code base, and developed a suite of tools and practices that enable you and your team to do so safely.
• Ownership of your 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.

Base Pay Grade - N

Equity Grade - USA 8

Employees new to affirmative typically come in at the start of the pay range. Affim focuses on providing a simple and transparent pay structure 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).

USA base pay range (CA, WA, NY, NJ, CT) per year: $190,000 - $240,000
USA base pay range (all other U.S. states) per year: $169,000 - $219,000

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 employment. Afirms in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned office. A limited number of roles remain office‑based due to the nature of their job responsibilities.

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.