Staff IOS Engineer [Contractor]

Gabb Wireless • Lehi, UT

5d • Remote

About The Position

Gabb is seeking a hands-on Staff iOS Engineer to lead the technical direction of our iOS apps and SDKs. This role blends deep coding expertise (about 70%) with architectural leadership and influence (about 30%). You will set patterns for performance, security, and reliability that our mobile portfolio follows. You will partner closely with product, design, backend, firmware, and QA to deliver safe, high-quality experiences for families at scale.

Requirements

• 7+ years of professional iOS development, with at least 2 years at senior or staff scope shipping complex consumer apps at scale.
• Strong Swift, SwiftUI, Swift Concurrency, and background execution.
• Proven experience with modular architectures, Swift Package Manager (SPM), and multi-app or SDK platforms.
• Deep knowledge of networking, profiling with Instruments, memory leak analysis, and MetricKit.
• Experience integrating third-party services (Crashlytics, analytics, feature flags, etc).
• Strong knowledge of local data persistence with SQLite/GRDB or similar.
• Experience with modular architecture using Swift Package Manager.
• Experience writing comprehensive unit tests with a focus on dependency injection patterns and test-driven development.
• Track record of guiding architectural decisions and raising the bar on code quality and testing at team or org scale.
• Strong written and verbal communication that explains trade-offs and aligns partners quickly.
• Comfortable setting measurable targets such as crash-free sessions, hang rate, app start time, and battery impact, then delivering against them.
• Pragmatic systems thinker who favors simple, observable designs.
• Bias to action, strong ownership, and a growth mindset in a fast-moving environment.

Nice To Haves

• Experience with unidrectional data flow design patterns (such as the Composable Architecture) is a plus.

Responsibilities

• Hands-On Development (70%) Architecture and System Design (30%).
• Build production features in Swift using SwiftUI, Swift Concurrency (Async/Await), Combine, and Core Bluetooth.
• Drive crash-free sessions above target, reduce watchdog terminations and hang rates, improve app launch time, and optimize battery and memory.

What This Job Offers

• Career Level: Mid Level
• Education Level: No Education Listed