Senior Software Engineer, Backend

Summary

Join Affirm's ML Platform team and lead a team of engineers in building and maintaining the core infrastructure for Affirm's machine learning models. You will be responsible for delivering quarterly goals, collaborating with stakeholders, identifying and solving issues, supporting system operations, fostering a culture of quality, and developing team talent. This role requires significant experience in backend system design, distributed systems, and large-codebase management. Affirm offers a competitive compensation package including a generous base pay, equity rewards, stipends, and comprehensive benefits such as 100% subsidized medical coverage for you and your dependents, flexible spending wallets, and competitive time off.

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 defining a technical plan for the delivery of a significant feature or system component with an elegant, simple and extensible design
• Write high quality code that is easily understood and used by others
• Proficiency 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
• Experience demonstrating that you take ownership of your 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
• Either equivalent practical experience or a Bachelor’s degree in a related field

Responsibilities

• Own and deliver quarterly goals for your team
• Lead engineers on your team through ambiguity to solve open-ended problems
• Ensure that everyone is supported throughout delivery
• 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
• Proactively identify project, process, technology or business issues, advocate for them, and lead in solving them
• 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
• 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
• Help develop talent on your team by providing feedback and guidance, and leading by example

Benefits

• 100% subsidized medical coverage, dental and vision for you and your dependents
• Monthly stipends for health, wellness and tech spending
• Equity rewards
• Flexible Spending Wallets - generous stipends for spending on Technology, Food, various Lifestyle needs, and family forming expenses
• 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
• Remote work