Affirm
Senior Software Engineer, Fullstack (App Experience)
$173K–$255K
Remote US · Remote · Senior · Full-time · Posted Oct 9, 2026
- Experience
- 4+ years as a software engineer.
- Education
- Bachelor’s degree in a related field or equivalent practical experience.
About the job
Build and deliver cross-team features across Affirm’s mobile and web consumer experiences, including the design and launch of scalable APIs.
What you'll do
- Break projects into tasks and deliver work in phases with teammates.
- Collaborate with product, design, and analytics on ideas, technical constraints, risks, and trade-offs.
- Monitor operational metrics and support availability, on-call work, and team development activities.
What they ask for
- Experience shipping web apps with declarative UI frameworks such as React or Vue.
- Experience shipping mobile apps using native or cross-platform languages such as React Native.
- Experience designing, developing, and launching APIs at scale using languages such as Kotlin or Python.
- Strong software design, coding, testing, debugging, code review, ownership, and communication skills.
Pay
$195,000 - $255,000 USD base salary; $173,000 - $233,000 USD base salary
Tools
React, Vue, React Native, Kotlin, Python
Model-written summary · the original posting is authoritative