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Senior Software Engineer, Backend (Consumer)

Affirm · Remote US

remotesenior$195,000–$255,000Posted Nov 9, 2026PythonKotlinAWSMySQLKubernetes

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About this role

**Affirm — Senior Software Engineer, Backend (Consumer)** At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. Consumer Engineering builds the Affirm experience millions of people use to pay over time—honestly and without hidden fees. We own the Affirm app, web checkout, and the account tools people use to manage purchases, payments, and savings. Engineers work closely with product and design to ship fast, test often, and make every interaction simple and transparent. *You will be matched with a role on Consumer Engineering after completing the interview evaluation process. Your recruiter will work with you to find the strongest role fit.* --- ## What you’ll do - Own and deliver quarterly goals for your team, lead engineers through ambiguity to solve open-ended problems, and ensure everyone is supported throughout delivery. - Collaborate with product management, design, and analytics—participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. - Proactively identify project, process, technology, or business issues; advocate for them and lead in solving them. - Support 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. - Foster a culture of quality and ownership by setting/improving code review and design standards, and advocating beyond your team through writing and tech talks. - Help develop talent 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 building highly available distributed systems using **AWS**, **MySQL**, and **Kubernetes**. - Experience defining a technical plan for delivering a significant feature or system component with an elegant, simple, extensible design; write high-quality code that others can easily understand and use. - Ability to make significant changes in a large codebase, with tools and practices that enable safe iteration. - Demonstrated ownership of your growth—proactively seeking feedback from your team, manager, and stakeholders. - Strong verbal and written communication skills for effective collaboration with a global engineering team. - Requires either equivalent practical experience or a **Bachelor’s degree** in a related field. --- ## Compensation & location - **Base Pay Grade:** N - **Equity Grade:** USA 9 - Employees new to Affirm typically come in at the start of the pay range. **USA Pacific base pay range (CA, WA, NY, NJ, CT):** $195,000 – $255,000 **USA Sapphire base pay range (all other U.S. states):** $173,000 – $233,000 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). **#LI-Remote** --- ## Remote-first & benefits - **Remote-first with flexibility built in:** Most roles can be done from almost anywhere within the country of employment. Some positions may occasionally require in-person work at an Affirm office, and a few are office-based due to the nature of the work. All new hires attend an i

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