Swift/IOS Developer Expert
Listing checked October 15, 2026 · pay as published by AfterQuery
Overview
AfterQuery, a YC-backed startup, needs Swift and iOS specialists to build and review mobile development exercises that teach AI models how to reason about app code. You will craft questions and case studies that cover UIKit/SwiftUI, state management, networking, data persistence, memory management, app lifecycle and debugging. Then you check model answers, point out technical errors, and suggest fixes based on real iOS practice. The work runs remote and asynchronous, so you can set your hours around other projects. Pay comes in at $70.00/hr.
What You'll Do6
- 1Create iOS development questions and case studies that push AI models on UI development, state management, networking, data persistence, memory management, app lifecycle and debugging.
- 2Write scenarios that reflect real Swift and iOS engineering decisions, including architecture choices and API use.
- 3Review model responses for technical accuracy and alignment with iOS best practices.
- 4Give detailed feedback that explains errors, missing edge cases and better implementation paths.
- 5Partner with mobile development and technical experts to set question difficulty and keep content challenging and educational.
- 6Validate content against current UIKit/SwiftUI patterns and iOS SDK behavior.
Requirements9
- 1Proven background building iOS apps in Swift, with command of iOS frameworks and mobile development patterns.
- 2Strong grasp of Swift syntax, UIKit/SwiftUI and the iOS SDK.
- 3Clear analytical, written and verbal communication skills, plus close attention to detail.
- 4Several years of iOS development work and apps published on the App Store.
- 5Hands-on use of modern iOS architecture patterns such as MVVM, MVC or VIPER.
- 6Experience with Combine, async/await, Core Data and third-party libraries.
- 7Open source iOS work, technical writing or mobile technology initiatives.
- 8Comfort with Xcode, Interface Builder, debugging tools and performance tuning.
- 9Familiarity with AI or machine learning integration inside iOS apps.
Who Should Apply
iOS developers with shipped App Store apps and deep Swift skills fit this role. You should enjoy writing technical questions, reviewing model answers and discussing UIKit, SwiftUI, Combine or Core Data with other engineers. The remote schedule suits people who want project-based AI training work.
Salary Insight
The listing pays $70.00/hr. That rate sits above many standard iOS contract roles and matches the senior, specialized nature of producing expert training content for AI models.
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Compensation
$70/hr
Required Skills
Application Tip
Show your iOS depth with exact terms: Swift, UIKit, SwiftUI, Combine, async/await, Core Data, MVVM or VIPER. Name shipped App Store apps, link a repo or technical article, and include a short sample of code review feedback. That evidence speaks to the evaluation and question-writing parts of this role.
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