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[Remote] Staff Software Engineer, Backend (Capacity Modeling)

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. 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 role involves setting technical strategy, collaborating across teams, and ensuring operational sustainability while developing capacity models for resource management during peak traffic events.

Responsibilities

  • You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects
  • You will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed
  • You will act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes
  • You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, policies, testing and alerting in place to support “keep the lights on” & on-call efforts
  • You will foster a culture of quality and ownership on your team by setting 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

Skills

  • 8+ years of experience designing, developing and launching backend systems at scale using languages like Python or Kotlin
  • An 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 event such as Prime Day, Black Friday Cyber Monday, or other sales holidays
  • Tuned autoscaling, CPU/Memory, and multi-threading for compute type workloads
  • Experience delivering major features, system components or deprecating 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
  • Thrive in ambiguity, and are comfortable moving from low level language idioms all the way to the architecture of large systems to understand how they work
  • Growth and impact trajectory demonstrates that you have mastered gathering and iterating on feedback from your engineering and cross-functional peers
  • 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

Benefits

  • Equity rewards
  • Monthly stipends for health, wellness and tech spending
  • Benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents.)
  • 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
  • Remote-first company
  • Flexibility to work remotely, but will occasionally be required to work out of their assigned Affirm office

Company Overview

  • Affirm is a financial technology services company that offers installment loans to consumers at the point of sale. It was founded in 2012, and is headquartered in San Francisco, California, USA, with a workforce of 1001-5000 employees. Its website is https://www.affirm.com.
  • Company H1B Sponsorship

  • Affirm has a track record of offering H1B sponsorships, with 11 in 2026, 104 in 2025, 96 in 2024, 133 in 2023, 179 in 2022, 132 in 2021, 57 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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