Staff Software Engineer, Backend (Capacity Modeling)

About the role

The Capacity Modeling team at Affirm is responsible for ensuring the platform can handle forecasted traffic, especially during peak sales events, by creating and maintaining statistical capacity models.

Responsibilities

• Set technical strategy for the team on a year-long time scale
• Collaborate across teams in the product development lifecycle
• Act as a force-multiplier for the team through the definition and advocacy of technical solutions and operational processes
• Take ownership of the team’s operations and availability
• Foster a culture of quality and ownership on the team
• Help develop talent on the team

Requirements

• 8+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin
• Extensive track record of developing highly available distributed systems using technologies like AWS, MySQL, Spark, and Kubernetes
• Experience supporting scale up and down of large-scale sales events such as Prime Day, Black Friday, Cyber Monday, or other sales holidays
• Tuned autoscaling, CPU/Memory, and multi-threading for compute-type workloads
• Delivered major features, system components, or deprecated existing functionality in a system through the definition of a technical and execution plan
• Write high-quality code that is easily understood and used by others
• Comfortable moving from low-level language idioms to the architecture of large systems
• Growth and impact trajectory demonstrating mastery of gathering and iterating on feedback from engineering and cross-functional peers

Qualifications

• Equivalent practical experience or a Bachelor’s degree in a related field

Skills

• Technical leadership
• Collaboration and communication
• Problem-solving and decision-making
• Technical expertise in backend systems, distributed systems, and cloud technologies

Benefits

Base Pay Grade - P Equity Grade - 13 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 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.)

Affirm is proud to be a remote-first company! The majority of our roles are remote and you can work almost anywhere within the country of employment. Affirmers in proximal roles have the flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office. A limited number of roles remain office-based due to the nature of their job responsibilities.

Our benefits package includes:

• 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