Software Engineer, Backend; Platform

Staff Software Engineer, Backend (Growth Platform)

Affirm is reinventing И credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay Hidden fees or compounding interest.

The Growth Platform team builds shared backend platforms that power incentives, experimentation, personalization, and data‑dr五月all across Affim’s consumer and merchant experiences, directly influencing customer acquisition, engagement, and retention.

• Set technical strategy for your team on a year‑long time scale and own backend platforms that power incentives and growth initiatives across the company.
• Collaborate with product management, analytics, and partner teams to shape technical direction for incentive systems, ensuring long‑term sustainability, correctness, and clear trade‑offs that inform roadmap decisions.
• Act as a force‑multiplier by defining platform abstractions, APIs, and architectural patterns that enable product teams torture launch, experiment with, and evolve incentive‑based experiences.
• Take ownership of your team’s operations and availability by ensuring robust monitoring, alerting, playbooks, and on‑call practices are in place for business‑critical incentive and growth systems.
• Foster a culture of quality and ownership by setting clear design and code review standards and advocating for them beyond your immediate team through written proposals and technical discussions.
• Help develop talent on your team by providing actionable feedback, technical guidance, and leadership on complex, high‑impact systems.

• 8+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin.
• Extensive track record of developing highly available distributed systems using technologies such as AWS, MySQL, Spark, and Kubernetes.
• Experience building or evolving shared backend platforms that support rewards, loyalty, incentives, experimentation, or other directed growth workflows used by multiple product teams.
• Led DOCUMENT complex technical initiatives that required cross‑team alignment, long‑term architectural thinking, and influence without direct authority.
• Experience delivering major features, system components, or deprecating existing functionality through the definition and execution of a clear technical plan; write high‑quality code that is easily understood and used by others.
• Thrive in ambiguity, and be comfortable moving from low‑level language idioms to the architecture of large‑scale systems to understand how they work end to end.
• Growth and impact trajectory demonstrates that you have mastered gathering, incorporating, and iterating on feedback from engineering and cross‑functional peers.
• Strong verbal and written communication skills that support effective collaborationmera with a global engineering organization.
• Either equivalent hands‑on experience or a Bachelor’s degree in a related field.

Pay Grade: P

Equity Grade: 13

Employees new to Affirm typically come in at the start of the pay range.
Affirm

Base pay: $220,000 - $270,000 (CA, WA, NY, NJ, CT); $200,000 - $250,000 (all other U.S. states)

Remote:
Affirm is a remote‑first company; you can work everywhere within the country of employment. Some roles may require occasional office presence.

• 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‑forming expenses.
• Time off – competitive vacation and holiday schedules allowing you 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.

For U.S. positions in Los Angeles or San Francisco, pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance,
Affirm will consider qualified applicants with arrest and conviction records.

• Seniority level:
  Mid‑Senior
• Employment type:
  
  Full‑time
• Job function:
  Engineering and Information Technology