Senior Staff iOS Engineer
Own the native iOS app end to end, shipping polished money-movement experiences while leading architecture, authentication, secure on-device handling, testing, App Store releases, and mobile direction.
Responsibilities
- Write and ship the majority of the iOS app
- Own native iOS architecture, build, and quality
- Coordinate certificates, provisioning, entitlements, associated domains, TestFlight, and App Store releases
- Own and document core app surfaces
- Enforce testing strategy and close UI polish gaps
- Review iOS work and make technical decisions
- Mentor engineers and set mobile direction
Requirements
- Native iOS experience with real money or sensitive financial or crypto data
- Strong Swift and SwiftUI skills
- Modern concurrency, state and navigation architecture, performance, and memory management
- Track record of visually excellent, pixel-perfect shipped apps
- Experience working with Figma and designers
- Experience integrating passkeys or WebAuthn, wallet and authentication infrastructure, WalletConnect or Reown, KYC, funding or aggregation, and push or attribution SDKs
- Keychain, biometric security, and prevention of token or PII leakage
- Experience owning and evolving a large iOS codebase
- Experience with agentic development workflows