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Lagrange Labs

Middle Android Developer (Kotlin | Web3 | Compose)

1w ago
4200 –6000 USD / monthMiddleRemote
Lagrange Labs

Middle Android Developer (Kotlin | Web3 | Compose)

1w ago
4200 –6000 USD / monthMiddleRemotekotlinandroid sdkjetpack composemvvmmviweb3jretrofittcoroutines+5

Lagrange Labs is seeking a Middle Android Developer to build and scale a mobile app for the Lagrange Web3 ecosystem. The role involves developing Android applications with modern UI and blockchain integrations, working remotely full-time.

Responsibilities

  • Develop & maintain Android app for Web3 ecosystem access.
  • Build modern UI with Jetpack Compose.
  • Integrate mobile SDK for blockchain & ZK proofs.
  • Secure key storage via Android Keystore.
  • Optimize performance & energy consumption.
  • Implement networking with Retrofit, Coroutines, Flow.

Requirements

  • 3+ years commercial Android development.
  • Strong Kotlin & Android SDK knowledge.
  • Experience with MVVM / MVI architecture.
  • Experience with cryptographic libs or Web3j.
  • Solid Material Design & complex UI skills.
  • Git + testing tools (JUnit, Espresso).
  • Published apps on Google Play.

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