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Senior Staff Software Engineer, Fullstack (Marketplace and Consumer Experiences)

Affirm· Consumer Engineering
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Remote$265k - $325kFull-timePosted 1mo ago

About the role

Senior Staff Software Engineer to lead technical excellence across core consumer experiences at Affirm, starting with Marketplace and Search; define technical strategy, mentor engineers, and drive scalable, reliable, high-performing solutions across web, iOS, and Android.

Responsibilities

  • Lead the vision – Define the technical direction, long-term technical roadmap, and strategic initiatives in Marketplace, Search, Ads Platform, and App Experiences
  • Work closely with stakeholders across all teams at Affirm to champion and implement technical excellence in conjunction with business results across all consumer facing experiences
  • Create and influence a strong ownership culture across teams, with high accountability and investment for building for scale and efficiency
  • Guide and deliver critical user experiences that deliver customer value quickly and reliably
  • Design, implement, and extend core platform components and functionality to enable new products and features to be built
  • Architect and contribute to decisions on the right platform, tools, and technologies to support consistency and reliability
  • Mentor and lead – Guide a strong group of engineers by championing best practices, and helping them grow

Qualifications

  • 10+ years of experience working across the stack, driving architectural improvements in the backend. Bonus points using languages like React Native, Javascript, or Kotlin
  • Track record of successfully leading critical projects and leveraging multiple engineering teams across organizational boundaries for company-wide results
  • Extensive experience developing and implementing technical strategy that drove prominent change in reliability and responsiveness
  • Previous project management or people management experience
  • Ownership mindset and collaborative across engineering teams and cross-functional stakeholders
  • Customer-first mindset and ability to translate into technical decisions
  • Comfort with ambiguity and deep dive into code and systems
  • Strong verbal and written communication skills
  • Equivalence of practical experience or a Bachelor’s degree in a related field

Skills

Required:Technical leadershipArchitectural designCross-functional collaboration

Benefits

  • Health coverage at no cost for employees and dependents
  • Monthly spending stipends for tech setup and health/wellness options
  • Flexible time off and generous holiday calendars
  • Employee stock purchase plan (ESPP) to buy Affirm stock at a discount
Last updated Sep 16, 2026. Interested? Apply on the company site.

About Affirm

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