Senior Software Engineer, Backend (Batch Infrastructure)

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 Batch Infra team at Affirm is responsible for building and maintaining a compute platform that supports various business-critical batch workloads. This role involves leading a team, collaborating across departments, and ensuring the reliability and scalability of backend systems.

Responsibilities:

• 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

Requirements:

• 4+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
• A track record of developing highly available distributed systems using technologies like AWS, MySQL and Kubernetes
• Experience building and managing Workflow Orchestration frameworks like Airflow, Flyte, Prefect, Temporal, Luigi, etc
• Experience with or working knowledge for efficiently scaling frameworks like Spark/Flink for extremely large scale datasets on Kubernetes
• Experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design
• Ability to write high quality code that is easily understood and used by others
• 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
• Demonstrated ownership of personal growth, proactively seeking feedback from your team, your manager, and your stakeholders
• 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