Senior Staff iOS Engineer
Posted 13
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Summary
Lead the end-to-end development of Ethena’s native iOS app, owning architecture, security, and App Store releases while mentoring engineers and driving mobile technical direction.
You own the native iOS app end to end, writing and shipping its most difficult surfaces while maintaining a high standard of engineering quality and visual craft. You manage the App Store release pipeline, authentication surface, secure on-device handling, testing strategy, and mobile technical direction while mentoring other engineers.
Responsibilities
- Write and ship the majority of the iOS app
- Own the native iOS app architecture, build, and quality bar
- Coordinate certificates, provisioning profiles, entitlements, associated domains, and App Store releases
- Own core app surfaces and document them
- Enforce testing strategy in code review
- Close UI and polish gaps against the Liquid Glass design language
- Review iOS work and make technical decisions
- Mentor the team
- Set mobile direction and drive the roadmap
Requirements
- Ship and maintain native iOS apps handling real money or sensitive financial or crypto data
- Strong Swift and SwiftUI skills
- Know modern concurrency, state and navigation architecture, performance, and memory management
- Demonstrate visually excellent and pixel-perfect shipped apps
- Work with Figma and designers
- Integrate passkeys or WebAuthn
- Integrate embedded-wallet or authentication infrastructure
- Integrate WalletConnect or Reown
- Integrate KYC SDKs
- Integrate account funding or aggregation services
- Integrate push or attribution services
- Handle Keychain and biometric security
- Avoid token and PII leakage in logs or analytics
- Own and evolve a large iOS codebase
- Use agentic development workflows