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Affirm

Principal Software Engineer, Traffic Management

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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.

At Affirm, we’ve been very successful in our mission in delivering honest financial products that improve lives. In order to further this mission as we scale, we are looking for a Principle Engineer focused on developing world class traffic management capabilities for Affirm.


What You’ll Do:

  • Set the technical vision and strategy for the next generation of traffic management, capacity planning, and load testing capabilities and practices at Affirm.
  • Safely build and expand our traffic management capabilities by applying a deep understanding of traffic management: gentle retries, circuit breakers, load shedding, and load prioritization.
  • Collaborate with the broader engineering organization to understand service load: from day to day operations to peak events. Then develop and rollout next generation capacity models and load testing frameworks.
  • Champion innovative, scalable, and delightful solutions across the engineering organization
  • Promote a strong culture of innovation, drive evaluation, development and roll out of new technologies/frameworks. Actively research, brainstorm, prototype, and present ideas.

This role requires an engineer who can work at multiple levels: effectively convey a clear vision, influence senior leadership to focus on strategic investments, and lead fellow engineers to achieve impactful results.


What We Look For:

  • Has been responsible for traffic management, load testing or capacity planning at an organization with hundreds of millions of users.
  • Extensive experience in designing and implementing traffic shaping, cluster management, and load shedding systems at scale
  • Successful track record leading and delivering multi-year, highly complex engineering infrastructure projects.
  • Demonstrated ability to successfully develop and partner with staff and senior staff software engineers.
  • Exceptional leader who can mentor high potential engineers earlier in their career. 
  • Detail oriented individual who has strong opinions on the technologies being developed by their team and is fully immersed in day to day execution and delivery.
  • Strong communicator who effectively lays out their technical vision to the broader engineering organization.
  • 15+ years software engineering experience.
  • Experience with Fintech and Retail industries for both B2C and B2B (merchants/affiliates) is a plus.
  • Excited about both our mission to deliver honest financial products and to do it by building a meritocracy. 

Base Pay Grade - T

Equity Grade - 11

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 monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc. (parent company).

CAN base pay range per year: $238,000 - $298,000


#LI-Remote

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.

We’re extremely proud to offer competitive benefits that are anchored to our core value of people come first. Some key highlights of our benefits package include: 

  • 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

We believe It’s On Us to provide an inclusive interview experience for all, including people with disabilities. We are happy to provide reasonable accommodations to candidates in need of individualized support during the hiring process.

[For U.S. positions that could be performed in Los Angeles or San Francisco] Pursuant to the San Francisco Fair Chance Ordinance and Los Angeles Fair Chance Initiative for Hiring Ordinance, Affirm will consider for employment qualified applicants with arrest and conviction records.

By clicking "Submit Application," you acknowledge that you have read Affirm's Global Candidate Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as described therein.

Affirm Seattle, Washington, USA Office

Seattle, WA, United States

What you need to know about the Seattle Tech Scene

Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.

Key Facts About Seattle Tech

  • Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Amazon, Microsoft, Meta, Google
  • Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
  • Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Madrona, Fuse, Tola, Maveron
  • Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
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