Affirm · 1 day ago
Staff Software Engineer, Backend (Powered By Affirm)
San Francisco, CA
Full-time
Hybrid
Senior Level, Lead/Staff
$225K/yr - $275K/yr
7+ years expAffirm 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 Powered by Affirm (PBA) team builds the APIs and solutions that power all of Affirm’s integrations with Enterprise Merchants and Partners, and the Staff Software Engineer will be responsible for setting technical strategy, contributing to the API lifecycle, and fostering a culture of quality and ownership within the team.
Financial ServicesFinTechLendingPayments
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 contribute to the entire API lifecycle, including designing, developing, testing, maintaining, and evolving our APIs
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, polcities, 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
Qualification
Required
You have a total of 7+ years of experience as a software engineer
You are proficient in designing, developing and launching backend systems at scale technologies like Python, Kotlin, AWS, MySQL, and Kubernetes
You have experience delivering major features, system components or deprecating existing functionality in a system through the definition of a technical and execution plan
You write high quality code that is easily understood and used by others
You 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
Your growth and impact trajectory demonstrates that you have mastered gathering and iterating on feedback from your engineering and cross-functional peers
You have 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
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
Company
Affirm
Affirm is a financial technology services company that offers installment loans to consumers at the point of sale.
1001-5000 employees
H1B Sponsorship
Affirm has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (104)
2024 (96)
2023 (133)
2022 (179)
2021 (132)
2020 (57)
Funding
Current Stage
Public CompanyTotal Funding
$7.57BKey Investors
New York Life InsuranceSixth StreetPGIM Fixed Income
2025-10-31Post Ipo Debt· $750M
2024-12-17Post Ipo Debt· $800M
2024-12-13Post Ipo Debt· $4B
Leadership Team
Max Levchin
Founder & CEO
Robert O'Hare
Chief Financial Officer
Recent News
Crowdfund Insider
2025-12-25
2025-12-20
Company data provided by crunchbase