Senior Mobile Developer (Kotlin) — 100% Remote Specialist

Work 100% remotely as a Senior Mobile Developer (Kotlin) — 100% Remote Specialist with RemoteJob USA Staffing, earning $50 - $100/hour. You will design challenging domain prompts, grade complex model outputs, and refine reasoning trajectories using your background in Kotlin, Swift, Mobile.

Position Responsibilities

• 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.
• Create realistic, interesting, and extremely challenging mobile coding tasks for frontier frontier AI reasoning systems 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.

Required Competencies

• Available Openings: 100 open positions
• Core Competencies: Kotlin, Swift, Mobile
• iOS: Swift with SwiftUI or UIKit.
• Android: Kotlin with Jetpack Compose or the Android View system.
• Comprehensive command 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.
• Compensation Structure

Earnings & Remote Work Details

• Compensation Rate: $50 - $100/hour (contract specialist remuneration)
• Work Arrangement: 100% Remote / Work From Home
• Eligible Remote Countries: United States, United Kingdom, Canada, Australia, New Zealand, Ireland, and South Africa
• Core Competencies: Kotlin, Swift, Mobile
• Hiring Agency: RemoteJob USA Staffing

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