Senior Software Engineer, Backend (Loan Origination and Reporting)

Affirm · Remote USRemotesenior

In short

▸Construyes y escalas plataformas de datos en tiempo real para origen de préstamos y reporting financiero.
▸Lideras equipos, tomas decisiones técnicas complejas y aseguras disponibilidad de sistemas críticos.
▸Destaca por tu impacto en el motor financiero central de Affirm con arquitecturas escalables y de alta disponibilidad.

Strong verbal and written communication skills in English

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What they ask for

✓4+ años desarrollando sistemas backend a escala con Python o Kotlin.
✓Experiencia comprobada en sistemas distribuidos altamente disponibles usando AWS, MySQL y Kubernetes.
✓Expertise en pipelines de datos escalables y procesamiento por lotes con Spark, Airflow o similares.
✓Capacidad para definir planes técnicos elegantes, simples y extensibles para componentes clave.
✓Habilidades avanzadas para hacer cambios significativos en código grande con herramientas seguras.
✓Comunicación fuerte por escrito y verbal para colaborar con equipos globales.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

PythonKotlinAWSMySQLKubernetesSparkAirflowDistributed systemsBatch processingReal-time data pipelines

Who should you write to at Affirm?

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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. The Engineering team builds systems that power Affirm’s mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we’re enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing seamless servicing experiences, our focus is on solving complex problems through exceptional engineering. About the role As a Senior Software Engineer on Loan Origination and Reporting, you’ll build and scale the data platforms and services that process loan originations in real time and deliver accurate reporting to Affirm and its financial partners, strengthening the core financial engine behind transparent, reliable ways to pay over time. What you’ll do • You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team 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 & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly 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” & on-call efforts. • You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. • You will help develop talent on your team by providing feedback and guidance, and leading by example. What we look for • You have 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin. • You have a track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes. • You have deep expertise in designing and operating scalable backend data pipelines and batch processing systems using Spark, Airflow, or similar distributed frameworks. • You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design. You write high quality code that is easily understood and used by others. • You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely. • · Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders. • You have strong verbal and written communication skills that support effective collaboration with our global engineering team. • This position requires either equivalent practical experience or a Bachelor’s degree in a related field. Base Pay Grade- N Equity Grade- 9 Employees new to Affirm typically come in at the start of the pay range. Affirm focuses on providing a simple and transparent pay structure which is based on a variety of factors, including location, experience and job-related skills. Base pay

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