Sr Software Engineer, iOS
Core
Lead architecture and quality of the PayPal POS iOS app, managing payment-critical flows like Tap to Pay on iPhone and reader connectivity.
Role type
Senior IC iOS Software Engineer (Payments/Hardware)
Builds
Native point-of-sale experience for small and medium-sized businesses (PayPal POS app and Zettle Terminal)
Domain
Fintech / Payments / Mobile Hardware
Deliverable
production ML models | product features
Required skills
Swift, iOS app architecture, payment flows (EMV, contactless), Core Bluetooth, PCI-aware design, release management, mentoring
Preferred skills
Modular app architectures, accessibility, migration across identity systems
Technologies
Swift, iOS, Core Bluetooth, EMV
Responsibilities
Lead design of complex features and refactors; Own Tap to Pay on iPhone and ProximityReader flows; Define standards for architecture, testing, performance and accessibility; Partner with backend, product, design and security; Run app releases and act as incident lead; Review pull requests and coach engineers
