Affirm
Staff Software Engineer, Mobile (App Infrastructure)
$230K–$290K
Remote US +1 · Remote · Staff · Full-time · Posted Aug 14, 2026
- Location
- Remote US
Remote Canada - Experience
- 7+ years developing and architecting mobile applications; 4+ using React Native.
- Education
- Bachelor’s degree in a related field or equivalent practical experience.
About the job
Sets technical strategy and leads delivery for Affirm’s shared mobile app infrastructure, including developer tools, reliability, releases, and cross-team platform components.
What you'll do
- Set team technical strategy and lead critical projects, working with product, design, and analytics to manage risks and trade-offs.
- Own operational availability by establishing monitoring, triage rotations, playbooks, testing, and alerting.
- Set engineering quality standards, develop team members, and promote adopted technical solutions and processes.
What they ask for
- 7+ years developing and architecting mobile applications, including 4+ years using React Native.
- Proficiency in JavaScript/TypeScript; hands-on React Native and Expo experience, including authoring or migrating native modules and components.
- Experience with React Native SDK major updates and debugging across the JS↔native boundary under the New Architecture.
- Bachelor’s degree in a related field or equivalent practical experience.
Nice to have
- Proficiency with Redux Toolkit.
- Experience with mobile testing, observability, crash reporting, and experimentation/feature-flagging tools.
Pay
$230,000 - $290,000 USD base salary; $204,00 - $264,000 USD base salary
Tools
JavaScript, TypeScript, React Native, Expo, Redux Toolkit, Maestro, Appium, Sentry
AI focus
Use AI-assisted development tools such as Claude Code or comparable agentic tooling, applying judgment and guardrails to maintain quality.
Model-written summary · the original posting is authoritative