Skill Profile

Swift & SwiftUI

Swift language, SwiftUI declarative UI, Combine, async/await

Mobile Development iOS Development

Roles

where this skill appears

Levels

structured growth path

Mandatory requirements

the other 2 optional

Mobile Development

iOS Development

3/17/2026

Choose your current level and compare expectations. The items below show what to cover to advance to the next level.

What is Expected at Each Level

The table shows how skill depth grows from Junior to Principal. Click a row to see details.

Role	Required	Description
iOS Developer		Uses Swift and SwiftUI at a basic level. Creates simple screens from designs. Understands the application lifecycle.

Role	Required	Description
iOS Developer		Independently implements complex screens with Swift and SwiftUI. Optimizes performance and memory consumption. Works with asynchronous patterns.

Role	Required	Description
iOS Developer	Required	Architects mobile application with Swift and SwiftUI. Optimizes performance for low-end devices. Implements CI/CD for mobile development. Mentors the team.

Role	Required	Description
iOS Developer	Required	Architects iOS application UI using SwiftUI: View composition, state management via @State, @Binding, @ObservedObject, and @EnvironmentObject. Creates reusable components with ViewModifiers and ViewBuilders, optimizes redrawing through proper View hierarchy decomposition and @StateObject vs @ObservedObject usage.

Role	Required	Description
iOS Developer	Required	Defines SwiftUI development standards for large iOS projects: design system based on custom ViewModifiers, state management strategy with @Observable macro. Develops architectural approaches for complex UI: navigation via NavigationStack, animation systems, and adaptive layouts for different Apple device form factors.

Junior 1 requirements

iOS Developer

Uses Swift and SwiftUI at a basic level. Creates simple screens from designs. Understands the application lifecycle.

Middle 1 requirements

iOS Developer

Independently implements complex screens with Swift and SwiftUI. Optimizes performance and memory consumption. Works with asynchronous patterns.

Senior 1 requirements

iOS Developer
Required

Architects mobile application with Swift and SwiftUI. Optimizes performance for low-end devices. Implements CI/CD for mobile development. Mentors the team.

Lead / Staff 1 requirements

iOS Developer
Required

Architects iOS application UI using SwiftUI: View composition, state management via @State, @Binding, @ObservedObject, and @EnvironmentObject. Creates reusable components with ViewModifiers and ViewBuilders, optimizes redrawing through proper View hierarchy decomposition and @StateObject vs @ObservedObject usage.

Principal 1 requirements

iOS Developer
Required

Defines SwiftUI development standards for large iOS projects: design system based on custom ViewModifiers, state management strategy with @Observable macro. Develops architectural approaches for complex UI: navigation via NavigationStack, animation systems, and adaptive layouts for different Apple device form factors.

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