Skills you need to be a ios developer
9 skills a hiring manager would actually test for, each with the level this role expects and what it is used for. Not a syllabus — the shape of the job.
Build my path to this roleUpskili checks what you can already do, then sequences only what is missing. No account needed.
What the role requires
Ordered by how much the job depends on it. The bar is the proficiency expected of a competent ios developer — not mastery, and not a passing acquaintance.
-
Swift
Essential
Builds, maintains, and debugs production iOS applications.
Deep -
UIKit
Essential
Constructs complex, adaptive user interfaces programmatically and with Storyboards.
Deep -
SwiftUI
Important
Implements modern declarative UI for new features alongside legacy UIKit.
Strong -
XCTest & XCUITest
Important
Writes unit and UI tests to ensure feature stability.
Strong -
Git
Essential
Manages source code and collaborates via pull requests.
Strong -
RESTful APIs
Important
Integrates mobile apps with backend services and handles JSON serialization.
Strong -
Core Data
Useful
Manages local persistence and object graphs for offline support.
Working -
Combine
Useful
Handles asynchronous events and data streams reactively.
Working -
CI/CD (e.g., Xcode Cloud, Fastlane)
Useful
Automates build, test, and App Store distribution pipelines.
Working
An order worth learning it in
A list of ten skills is the same unhelpful answer a catalogue gives, just sorted. This is where to actually start.
Start here
Essential to the role, and reachable from a standing start. Everything below rests on these.
- SwiftUI
- XCTest & XCUITest
Then this
The rest of what the role is assessed on. Harder, and it builds on the foundation above.
- Swift
- UIKit
- Git
- RESTful APIs
What sets you apart
Not what gets you hired, but what separates doing the job from being trusted with it.
- Core Data
- Combine
- CI/CD (e.g., Xcode Cloud, Fastlane)
You almost certainly have some of this already.
That is the point of starting from the role rather than a course. Upskili checks what you can do, then builds a path across only the gap.
See my path to ios developer