Senior Mobile App Engineer (React Native / Flutter)
Build buttery-smooth cross-platform mobile apps for iOS and Android with native performance, offline synchronization, and elegant UI interactions.
Core Technology Stack
Team Context & Mission
You will lead mobile product engineering, shipping responsive apps to the Apple App Store and Google Play Store for international clients.
What You'll Do & Ship
- ▪Develop, polish, and maintain cross-platform mobile applications for millions of active end users.
- ▪Bridge native platform features (biometrics, background sync, Bluetooth, push notifications) using Swift/Kotlin.
- ▪Implement robust local storage, offline-first syncing, and secure authentication flows.
- ▪Automate build and deployment pipelines to the Apple App Store and Google Play Store via Fastlane.
What We're Looking For
- ✓5+ years of mobile application engineering experience with multiple published apps in production.
- ✓Strong proficiency in React Native or Flutter, coupled with deep JavaScript/TypeScript or Dart knowledge.
- ✓Experience writing custom native modules or bridges in Swift or Kotlin.
- ✓Solid understanding of mobile memory management, battery optimization, and 60fps gesture rendering.
Bonus Points (Nice to Have)
- +Experience shipping mobile AI features (CoreML, TensorFlow Lite, on-device embeddings).
- +Knowledge of in-app subscriptions, StoreKit 2, and Google Play Billing.
Compensation & Benefits
Salary Range
$85,000 – $125,000 / yr
Competitive global rate in USD/EUR
Tech Stipend
$3,000 USD Budget
Mac/PC + Cursor, Claude, Copilot
Flexibility
100% Remote & Async
Work when and where you focus best
Time Off
Unlimited PTO
Minimum 4 weeks encouraged
Our Hiring Process (< 10 Days)
Technical Fit Call (30 min)
Informal peer discussion with an engineering lead.
System Architecture Walkthrough (60 min)
Walk us through real code and architectural trade-offs you authored.
Paid 1-Day Trial Sprint
Solve a realistic task asynchronously, fully compensated at your senior rate.
Offer & Immediate Start
Clear terms, competitive pay, and seamless tooling onboarding.
Apply for this Position
Applying for Senior Mobile App Engineer (React Native / Flutter). Direct review by engineering leadership within 48 hours.
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