Responsibilities

Bring up new devices and lead debugging and performance-tuning exercises across hardware, firmware, and software teams.
Design, implement, and maintain drivers and Android services for constrained environments, meeting reliability and security requirements.
Own workstreams focused on hardware bring-up, peripheral drivers and communication, and power and performance management and optimization.
Analyze bug reports and manage defect resolution, including issue disposition, resolution, and status reporting.
Support global teams by providing clear technical information.
Perform code reviews to ensure high-quality designs and implementations.
Partner with QA staff to create, maintain, and execute appropriate test cases.
Proactively solve problems and work independently or collaboratively with limited guidance.

Requirements

2+ years of software engineering experience in device driver development, embedded systems, or operating systems.
2+ years working with mobile or other connected devices.
Experience with automated testing, build systems, and inter-component communication protocols such as UART, GPIO, SPI, and I2C.
Proficiency in C/C++ or Kotlin/Java.
Experience with Android OS and familiarity with associated software development tools.
Degree in computer science, computer engineering, electrical engineering, or equivalent practical experience.
Experience adding, monitoring, and parsing telemetry data to proactively resolve issues.
Fluency in written and spoken English and Mandarin Chinese.

Experience with ARM platforms.
Experience working with microcontrollers.
Knowledge of EMV.
Knowledge of cryptography, including symmetric and asymmetric cryptography, key management, and key exchange.
Experience with POS hardware and peripherals.
Knowledge of PCI technology, transaction processing, and related retail standards.