Job Description: Senior Kotlin (Android) Developer
Number of Resources: 2
Experience: 6–10+ years
Location: Chennai
Required Technical Skills
1. Kotlin and Android Development
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Strong proficiency in Kotlin, Java, and Android SDK.
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Hands-on experience with Android Jetpack components, including ViewModel, LiveData, Room, WorkManager, and Navigation.
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Strong understanding of Kotlin Coroutines and Flow.
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Experience with dependency injection using Hilt/Dagger.
2. API Integration and Communication
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Hands-on experience integrating REST APIs, JSON, HTTPS/TLS, authentication, and secure API communication.
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Experience with socket programming, TCP/IP, and WebSockets for real-time communication and device-to-server connectivity.
3. Database and Offline Capabilities
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Experience with local Android data storage using Room or equivalent technologies.
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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
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Familiarity with hardware communication interfaces, including USB, Serial, Bluetooth, and vendor-specific SDKs.
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Knowledge of NFC, EMV card reading, ISO 14443, and contactless smart-card technologies is a strong advantage.
6. Development Tools and Support
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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:
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Automatic Fare Collection (AFC)
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Metro/Rail and Public Transport
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NCMC and EMV
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QR ticketing
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POS and payment processing
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