About the role
Middle Android Developer (Kotlin | Web3 | Compose)
IMPORTANT
Forward the job posting when applying.
$4,200 – $6,000 | Remote | Full-time
Lagrange Labs is looking for an Android Developer to build and scale a mobile app connecting users to the Lagrange Web3 ecosystem.
Key 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.
