Senior iOS/macOS Engineer — Lead Mac App & Local Music AI

Untitledinbrackets; New York (NY); On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Free lunch in the office

Competitive salary and equity

Health, dental, and vision insurance

Job summary

[untitled] is seeking a senior iOS/macOS engineer to ship features in the iOS codebase, lead the macOS app, and run AI models locally on the Mac. You will collaborate directly with the founding iOS engineer and design team, pushing the craft surface with custom UX and animations.

You’ll own performance, quality, and responsiveness, raise engineering standards, and help shape a music-focused product with a small, autonomous team.

Qualifications

• 7+ years of iOS engineering
• Fluency in Swift and Objective-C
• Experience connecting iOS apps to backend services
• Strong grasp of iOS frameworks, design patterns, and the full mobile lifecycle
• A complex client-side system you personally architected and shipped. you can explain every decision, what you chose not to do, and what broke
• Shipped real work at startups or small teams
• Side projects or apps you've put into the App Store. things you built because you wanted them to exist

Responsibilities

• Design and ship features across iOS and macOS with engineers, designers, and the founders
• Lead the macOS app
• Run AI models locally on the Mac
• Own performance, quality, and responsiveness
• Find bottlenecks and fix bugs across the stack
• Raise the bar on code quality, testing, and engineering process

Skills

Swift

Objective-C

iOS

macOS

Core Data

Core Animation

Apple frameworks

Push notifications

UI/UX

Performance

Memory tuning

Async systems

Job description

[untitled] is seeking a senior iOS/macOS engineer to ship features in the iOS codebase, lead the macOS app, and run AI models locally on the Mac. You will collaborate directly with the founding iOS engineer and design team, pushing the craft surface with custom UX and animations.

You’ll own performance, quality, and responsiveness, raise engineering standards, and help shape a music-focused product with a small, autonomous team.