Senior Software Engineer, Backend

Summary

Join Affirm's OpenLoop BNPL team and lead engineers in delivering quarterly goals, tackling complex problems, and supporting product development. Collaborate with stakeholders, identify and solve issues, and foster a culture of quality and ownership. Develop team talent, create and monitor metrics, and ensure system availability. This role requires 5+ years of backend system design and development experience using languages like Python or Kotlin, along with expertise in distributed systems and AWS, MySQL, and Kubernetes. Affirm offers competitive benefits including 100% subsidized medical, dental, and vision coverage for employees and dependents, flexible spending stipends, competitive time off, and an employee stock purchase plan.

Requirements

• 5+ 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
• 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
• Experience demonstrates 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
• This position requires 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

Preferred Qualifications

You have worked with payment processing systems, card networks, or transaction routing, and understand the complexities of handling high-volume, low-latency financial transactions with strict availability requirements

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