Freelance Mobile App Developer (iOS / Android) at Mindrift | NY, US | Rezi

Freelance Mobile App Developer (iOS / Android) at Mindrift

Freelance Mobile App Developer (iOS / Android)

Mindrift · NY, US

1 months ago

Freelance Mobile App Developer (iOS / Android)

Mindrift · NY, US

2 months ago
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About the Role

This is a freelance role for a Tendem project. As a Mobile App Developer, you'll design, build, and refine mobile applications across categories such as utilities, fitness/wellness, games, productivity, delivery, and content apps — for iOS, Android, or both, using native or cross-platform frameworks.

Responsibilities

  • Build mobile applications using React Native, Flutter, Swift (iOS), or Kotlin (Android).
  • Implement responsive mobile UIs that follow platform conventions (iOS HIG, Material Design).
  • Integrate native device features (camera, push notifications, location, storage, biometrics).
  • Connect apps to backend APIs, handle offline state, caching, and synchronization.
  • Implement monetization features where required (in-app purchases, ads, subscriptions).
  • Review, debug, optimize, and refactor mobile application code to improve 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 experience in mobile app development.
  • Strong foundation in mobile application development, platform-specific UI/UX patterns, and building stable, high-quality mobile experiences for iOS and Android.
  • Ability to work independently.
  • Portfolio of shipped mobile apps (required, with App Store / Google Play links preferred).
  • English proficiency: Upper-intermediate (B2) or above.

Skills

  • React Native
  • Flutter
  • Swift/SwiftUI (iOS)
  • Kotlin/Jetpack Compose (Android)
  • Mobile UI patterns
  • Navigation
  • State management
  • Platform guidelines
  • REST APIs
  • Async data handling
  • Local storage management
  • Native device APIs (notifications, camera, location, storage, biometrics)
  • Mobile build tools
  • Code signing
  • App Store / Google Play submission
  • In-app purchases
  • Ads
  • Subscriptions
  • Backend services (Firebase, Supabase, or similar)

Location

  • Remote

Work Type

  • Part-time
  • Freelance

Experience Level

  • 3+ years of mobile app development experience

Education Level

  • Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus.

Salary/Compensations

  • Up to $60 per hour equivalent

Benefits

  • Work fully remote on your own schedule with just a laptop and stable internet connection.
  • Gain experience building high-quality solutions for a global platform.
  • Participate in performance-based bonus programs that reward high-quality work and consistent delivery.

About the Company

  • The Mindrift platform connects specialists with innovative technology projects.
  • Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts.