FlexHired LogoFlexHired
Logo of Affirm

Affirm

Senior Staff Software Engineer, Backend (Load Testing)

Job Summary

This role focuses on developing and leading capacity management and load testing capabilities at Affirm. The senior staff engineer will set technical strategies, collaborate across teams, and champion innovative scalable solutions. Candidates should have extensive experience in load testing, capacity planning, and infrastructure projects at large scales. The position involves mentoring engineers, influencing leadership, and contributing to Affirm's mission of honest financial products.

Required Skills

Communication
Team Collaboration
Mentorship
Technical Strategy
Load Testing
Capacity Planning
Cluster Management
Infrastructure Projects

Benefits

Health Insurance
Remote Work Flexibility
Flexible Spending Wallets
Time Off
Employee Stock Purchase Plan (ESPP)
Health Coverage for Dependents

Job Description

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 Senior Staff Engineer focused on developing world class capacity management and load testing capabilities for Affirm.

What You’ll Do:

  • Set the technical strategy for the next generation of capacity planning and load testing capabilities and practices at Affirm.
  • 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 load testing or capacity planning at an organization with millions of users and uneven/seasonal traffic.
  • Extensive experience in designing and implementing cluster management, and load testing at scale
  • Successful track record leading and delivering multi-quarter, highly complex engineering infrastructure projects.
  • Demonstrated ability to successfully collaborate with other senior staff engineers and architects across many teams.
  • 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 strategy to their engineering organization.
  • 12+ 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 - R

Equity Grade - 15

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.)

USA base pay range (CA, WA, NY, NJ, CT) per year: $260,000 - $310,000

USA base pay range (all other U.S. states) per year: $232,000 - $282,000

#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.

Interested in this job?

Application deadline: Open until filled

Logo of Affirm

Affirm

With Affirm, you can pay over time at your favorite brands. No late fees or compounding interest—just a more responsible way to say yes to the things you love.

See more jobs
Date PostedMay 21st, 2025
Job TypeFull Time
LocationRemote US
Salary$260,000 - $310,000
Exciting remote opportunity (requires residency in United States) for a Senior Staff Software Engineer, Backend (Load Testing) at Affirm. Offering $260,000 - $310,000 (full time). Explore more remote jobs on FlexHired!

Safe Remote Job Search Tips

Verify Employer Thoroughly

Research the company's identity thoroughly before applying. Check for a professional website with contacts, active social media, and LinkedIn profiles. Verify details across platforms and look for reviews on Glassdoor or Trustpilot to confirm legitimacy.

Never Pay to Get a Job

Legitimate employers never require payment for applications, training, background checks, or equipment. Always reject upfront payment requests or demands for bank details, even if they claim it's for purchasing necessary work gear on your behalf.

Safeguard Your Personal Information

Protect sensitive data like SSN, bank details, or ID copies. Share this only after accepting a formal, written job offer. Ensure it's submitted via a secure company system or portal, never through insecure channels like standard email attachments.

Scrutinize Communication & Interviews

Watch for communication red flags: poor grammar, generic emails (@gmail), vague details, or undue pressure. Be highly suspicious of interviews held only via text or chat apps; legitimate companies typically use video or phone calls.

Beware of Unrealistic Offers

If an offer's salary or benefits seem unrealistically high for the work involved, be cautious. Research standard pay for similar roles. Offers that appear 'too good to be true' are often scams designed to lure you into providing information or payment.

Insist on a Formal Contract

Always secure and review a formal, written job offer or employment contract before starting work or sharing final personal details. Ensure it clearly defines your role, compensation, key terms, and conditions to avoid misunderstandings or scams.

Related Jobs

Full Time
$260,000 - $310,000
Remote US
Full Time
$260,000 - $310,000
Remote US
Full Time
$260,000 - $310,000
Remote US
Full Time
$260,000 - $310,000
Remote US

Subscribe Newsletter

Never miss a remote job opportunity. Subscribe to our newsletter today and receive exclusive job alerts, career advice, and industry insights delivered straight to your inbox.