• Develop, design, and maintain user interfaces and underlying functionality for embedded point-of-sale software, specifically handling secure payment processing across multiple products concurrently.
• Implement industry-standard protocols to align with product capabilities.
• Establish, sustain, and execute application unit tests as an integral part of Continuous Integration.
• Analyze bug reports and oversee the defect resolution process, addressing and reporting issues promptly.
• Collaborate closely with QA staff to ensure the creation, maintenance, and execution of appropriate test cases.
• Contribute to system-side code, communication protocol design, and kernel development.
• Engage with global teams, demonstrating excellent communication skills to provide support information.
• Regularly conduct code reviews to ensure high-quality designs and implementations.
• Assist in guaranteeing the quality and timeliness of product/feature development.
• Proactively address problems, demonstrating the ability to work independently and collaboratively within a team environment with limited guidance.
• Collaborate with Electrical Engineering counterparts in product design, showcasing the ability to read schematics, provide feedback on GPIO mapping, and develop manufacturing test software to ensure devices meet specifications.

Minimum qualifications:

• Possess over 5 years of software development experience.
• Have a minimum of 2 years of experience working with embedded, mobile, or other connected devices.
• Demonstrate experience in using automated testing, build systems, or device firmware communication.
• Proficient in embedded programming languages such as C, C++, or Rust.
• Exhibit expertise in embedded systems, including knowledge of operating systems, familiarity with software development tools, and an understanding of hardware-software interfaces.
• Must have a proven track record of architecting and developing multithreaded applications, preferably in embedded systems.
• Hold a degree in Computer Science, Computer Engineering, Electrical Engineering, or possess equivalent practical experience.
• Have experience working with microcontrollers.
• Display understanding of common communication protocols (e.g., Ethernet, SPI, UART, I2C, USB), debugging practices (e.g., JTAG and associated GDB integrations), and basic electrical design principles.
• Demonstrate experience in adding, monitoring, and parsing telemetry data to proactively resolve issues.
• Proficient in speaking and writing fluent English.

Preferred qualifications:

• Experience in writing device drivers.
• Familiarity with the ARM platform.
• Knowledge of EMV.
• Understanding of cryptography, symmetric and asymmetric key management, and exchange is an asset.
• Experience with Point of Sale (POS) hardware and peripherals.
• Knowledge and expertise in PCI technology, transaction processing, and related retail standards.