Staff iOS Engineer

What You'll Do:

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.

Additional 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 You'll Need

• 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

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

Leadership and Mindset

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• 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
  
  
  
  
  

This is a contractor role for Gabb. As such we are open to remote candidates.

Fully remote, collaborate on US Mountain Time core hours for pairing, reviews, and releases.

Long-term contract with potential to expand scope as the platform grows.

Gabb (gabb.com) is the leader in safe technology for kids and teens. We provide phones, watches, and software that keep families connected while reducing online risks. Our mission is to give families peace of mind and empower kids with age-appropriate digital independence. By joining Gabb, you will help shape the future of safe tech and build solutions that matter at scale.