Job Description: Senior Kotlin (Android) Developer
Number of Resources: 2
Experience: 6–10+ years
Location: Chennai
Required Technical Skills
1. Kotlin and Android Development
● Strong proficiency in Kotlin, Java, and Android SDK.
● Hands-on experience with Android Jetpack components, including ViewModel, LiveData, Room, WorkManager, and Navigation.
● Strong understanding of Kotlin Coroutines and Flow.
● Experience with dependency injection using Hilt/Dagger.
2. API Integration and Communication
● Hands-on experience integrating REST APIs, JSON, HTTPS/TLS, authentication, and secure API communication.
● Experience with socket programming, TCP/IP, and WebSockets for real-time communication and device-to-server connectivity.
3. Database and Offline Capabilities
● Experience with local Android data storage using Room or equivalent technologies.
● Experience with offline-first applications, transaction synchronization, retry mechanisms, and transaction recovery.
4. Security
● Understanding of data encryption, certificate management, secure key exchange, JWT, OAuth 2.0, and application security.
5. Hardware and Device Integration
● Familiarity with hardware communication interfaces, including USB, Serial, Bluetooth, and vendor-specific SDKs.
● Knowledge of NFC, EMV card reading, ISO 14443, and contactless smart-card technologies is a strong advantage.
6. Development Tools and Support
● Familiarity with Git, CI/CD, Docker, application deployment, debugging, logging, and production support. Preferred Domain Experience Experience in any of the following domains will be highly advantageous:
● Automatic Fare Collection (AFC)
● Metro/Rail and Public Transport
● NCMC and EMV
● QR ticketing
● POS and payment processing
