Freelance Mobile App Developer (iOS / Android)

Role Overview

Freelance Mobile App Developer to join the Tendem project at Mindrift. This is a part-time remote role building mobile applications for iOS, Android, or both using native or cross-platform frameworks.

Responsibilities

• Design, build, and refine mobile apps across domains (e.g., utilities, fitness/wellness, games, productivity, delivery, content)
• Build and maintain apps using React Native, Flutter, Swift/SwiftUI (iOS), or Kotlin/Jetpack Compose (Android)
• Create responsive mobile UIs following platform conventions (iOS HIG, Material Design)
• Integrate native device features: camera, push notifications, location, storage, biometrics
• Connect applications to backend APIs; handle offline state, caching, and synchronization
• Implement monetization features when required (in-app purchases, ads, subscriptions)
• Review, debug, optimize, and refactor for correctness, performance, battery efficiency, and maintainability
• Debug platform-specific issues and prepare builds for distribution (TestFlight, Play Console)

Requirements

• At least 3 years of relevant mobile app development experience (required)
• Hands-on experience with at least one:
  • React Native or Flutter or Swift/SwiftUI (iOS) or Kotlin/Jetpack Compose (Android)
• Strong knowledge of mobile UI patterns, navigation, and state management
• Experience integrating REST APIs and handling async data
• Experience managing local storage
• Familiarity with native device APIs (notifications, camera, location, storage, biometrics)
• Experience with mobile build tools, code signing, and submitting to App Store / Google Play
• Portfolio of shipped mobile apps (required; App Store / Google Play links preferred)
• English proficiency B2 or above

Nice-to-Haves

• Experience with monetization (in-app purchases, ads, subscriptions)
• Familiarity with backend services such as Firebase or Supabase
• Bachelor’s or Master’s degree in Computer Science/Engineering/related field

Time Commitment

• Estimated 10–20 hours per week during active phases (not guaranteed)

Compensation

• Up to $60/hour equivalent, depending on level and pace of contribution