Staff 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 Growth Platform team builds shared backend platforms that power incentives, experimentation, personalization, and data-driven decisioning acros
What this role actually needs.
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 Growth Platform team builds shared backend platforms that power incentives, experimentation, personalization, and data-driven decisioning acros Responsibilities: - You will be responsible for setting technical strategy for your team on a year-long time scale, owning backend platforms that power incentives and growth initiatives across Affirm. - You will 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. - You will act as a force-multiplier by defining platform abstractions, APIs, and architectural patterns that enable product teams to safely launch, experiment with, and evolve incentive-based experiences. - You 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. - You will 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. - You will help develop talent on your team by providing actionable feedback, technical guidance, and leadership on complex, high-impact systems. 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 Company context: Affirm is the public buy-now-pay-later platform powering checkout financing for top retailers across North America.
Day-to-day expectations
Affirm lists these responsibilities for the Staff Software Engineer, Backend (Growth Platform) role.
- You will be responsible for setting technical strategy for your team on a year-long time scale, owning backend platforms that power incentives and growth initiatives across Affirm.
- You will 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.
- You will act as a force-multiplier by defining platform abstractions, APIs, and architectural patterns that enable product teams to safely launch, experiment with, and evolve incentive-based experiences.
- You 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.
- You will 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.
- You will help develop talent on your team by providing actionable feedback, technical guidance, and leadership on complex, high-impact systems.
Why people would want this job
Affirm published these compensation, benefits, or working-context details with the role.
- 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
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Source: job-boards.greenhouse.io · Source ID: 7581666003 · Confidence: 89/100 · Last checked: May 7, 2026
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