Senior Mobile Developer (USD-based pay)

At Micro1, we're building the future of remote work through AI-powered hiring. We empower global companies to scale effortlessly by matching them with top Latin American tech talent, bridging borders through intelligent vetting, seamless integration, and the shared power of a connected international workforce.

**Recruitment Process** Candidates must register and complete an interview. Micro1 will be responsible for conducting the selection process. Scope of Work Create realistic, interesting, and extremely challenging mobile coding tasks for frontier AI models using your preferred repositories. Design problems that require strong mobile engineering skills, such as tracking down subtle bugs, building non-trivial features, handling application state and lifecycle, or improving performance.

• Develop tasks relevant to your expertise: cross-platform applications using TypeScript, JavaScript, or Dart
• iOS applications using Swift
• or Android applications using Kotlin.

For each task, define the problem, build a reproducible environment, and write deterministic verifiers that accept correct solutions across different valid implementations while rejecting incorrect, incomplete, or hard-coded approaches. Provide a reference solution showing how the task can be solved.

Preferred Qualifications Significant hands-on expertise in at least one of the following mobile development tracks: Cross-platform: TypeScript or JavaScript with React Native, or Dart with Flutter. iOS: Swift with SwiftUI or UIKit. Android: Kotlin with Jetpack Compose or the Android View system. Deep understanding of mobile application architecture, state management, asynchronous programming, and application lifecycle. Proven ability to debug complex mobile applications, resolve bugs, and deliver effective performance improvements.