Founding Senior Mobile Engineer – iOS/Swift

Stealth AI Startup; Mountain View (CA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Stealth AI Startup is seeking a Senior Mobile Engineer to own the iOS platform end-to-end, shaping our mobile architecture and releasing our first enterprise-ready iOS app. You will define the cross-platform approach to support Android and shared code, delivering fast, reliable experiences for AI agents in real-time.

You will collaborate with design and backend teams to ensure high performance, security, and robust mobile features, including offline-first behavior and secure data handling, in a

Qualifications

• 3+ years of professional mobile engineering experience, shipping iOS apps.
• Bachelor’s degree in CS/EE or related field.
• Deep expertise in Swift and iOS, with SwiftUI and UIKit.
• Strong understanding of concurrency, memory management, and debugging in production.
• Cross-platform experience (Android, Kotlin Multiplatform, React Native, or Flutter).
• Ability to evaluate tradeoffs between shared code and native fidelity.
• Strong product instincts and ownership in a fast-paced startup environment.

Responsibilities

• Own iOS architecture, build, and App Store release for enterprise customers.
• Define cross-platform strategy to support iOS and Android with shared logic.
• Make AI-agent mobile experiences fast and responsive with offline-first design.
• Implement enterprise-grade capabilities: SSO, secure storage, MDM-friendly distribution, observability, crash reporting.
• Lead mobile performance, accessibility, automated testing, and CI/CD with design and backend partners.

Skills

Mobile development

Swift

SwiftUI

UIKit

Concurrency

Cross-platform

Problem solving

Education

Bachelor's degree in Computer Science, Electrical Engineering, or related field

Tools

Android

Kotlin Multiplatform

React Native

Flutter

Job description

Stealth AI Startup is seeking a Senior Mobile Engineer to own the iOS platform end-to-end, shaping our mobile architecture and releasing our first enterprise-ready iOS app. You will define the cross-platform approach to support Android and shared code, delivering fast, reliable experiences for AI agents in real-time.

You will collaborate with design and backend teams to ensure high performance, security, and robust mobile features, including offline-first behavior and secure data handling, in a