The Senior Android Developer (POS) is responsible for designing, developing, and optimizing Android - based Point
of Sale (POS) applications, with a strong focus on payment integrations and hardware interaction. The role
requires deep expertise in POS ecosystems (Sunmi & PAX), secure payment technologies, and smart card
integrations .
1. POS Application Development
- Design, develop, and maintain Android POS applications for Sunmi and PAX devices.
- Handle device - specific integrations including printers, card readers, scanners, and peripherals.
- Optimize application performance for embedded POS environments with limited resources.
- Ensure compatibility across different POS SDKs and hardware architectures .
2. Payment & Transaction ...