Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians, researchers, and individuals around the world to improve lives in measurable ways.
**Responsibilities**
- Build and maintain features using Kotlin, MVVM, and either XML-based UI or Jetpack Compose
- Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose.
- Help define architecture improvements with long-term maintainability in mind
- Collaborate with cross-functional teams to ship clean, high-performance code.
- Optimize app performance and memory usage, especially in relation to real-time data and UI updates
- Integrate shared libraries and third-party modules, including native and WebView-based components.
- Participate in sprint planning, reviews, retrospectives, and technical design sessions.
**Requirements**:
**Must Have**:
- 4+ years of experience building, maintaining, and shipping Android apps.
- A degree in Computer Science or a related field, with strong fundamentals in data structures, algorithms,



and design patterns.
- Strong proficiency in Kotlin, Android architecture patterns (MVVM), and reactive state programming.
- Experience with either:
- **XML track**: RxJava, LiveData, XML layouts, MVVM, and willingness to support Jetpack Compose migration.
- **Jetpack Compose track**: Deep experience with Compose and Kotlin Flow/StateFlow, with comfort maintaining some XML/RxJava code.
- Strong collaboration skills with a thoughtful, pragmatic approach to technical discussions.
- Familiarity with Git, CI/CD workflows, and Agile development.
**Nice to Have**:
- Experience with Firebase, Firestore, Crashlytics, or Fastlane.
- Exposure to real-time data processing or hardware-integrated Android apps
- Prior contributions to Jetpack Compose adoption or reactive architecture refactors
- Exposure to embedded content via React or Unity in a WebView.
- Some experience with iOS or cross-platform development.
- A published app in Google Play

📌 Android Developer (Remote - Mexico - 6-mo Contract) (México)
🏢 Interaxon
📍 México