Staff IOS Engineer [Contractor] jobs in United States
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Gabb · 1 day ago

Staff IOS Engineer [Contractor]

Gabb Wireless is the leader in safe technology for kids and teens, providing phones, watches, and software that keep families connected while reducing online risks. They are seeking a hands-on Staff iOS Engineer to lead the technical direction of their iOS apps and SDKs, blending coding expertise with architectural leadership to deliver high-quality experiences for families at scale.

ChildrenConsumer SoftwareMobileMobile Apps

Responsibilities

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

Qualification

SwiftSwiftUISwift ConcurrencyModular ArchitectureCore BluetoothNetworkingSQLite/GRDBUnit TestingSystems ThinkingLeadershipCommunicationOwnershipGrowth Mindset

Required

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
Leadership and Mindset: 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

Preferred

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

Company

Gabb

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With a mission to protect children, Gabb provides safe tech for kids. No internet. No social media.

Funding

Current Stage
Growth Stage
Total Funding
$34.3M
2022-03-16Series Unknown· $13.29M
2022-03-16Debt Financing
2021-04-21Series A· $14M

Leadership Team

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Lance Black
Interim CEO
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Stephen R. Dalby
Founder & CEO
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Company data provided by crunchbase