Sr. Firmware Engineer (Hybrid)

What You’ll Do

• Design & Development: Build and maintain secure user interfaces and core functionality for embedded point-of-sale (POS) systems across multiple product lines.

• Systems Integration: Collaborate on system-side code, kernel development, and the design of robust communication protocols.

• Hardware Collaboration: Partner with Electrical Engineering teams to review schematics, provide feedback on GPIO mapping, and develop manufacturing test software to ensure hardware meets specifications.

• Quality & CI/CD: Create and execute automated unit tests within a Continuous Integration pipeline and perform routine code reviews to ensure design excellence.

• Problem Solving: Manage the full defect resolution process and proactively troubleshoot complex system issues with limited guidance.

• Global Communication: Interact with international teams to provide technical support and ensure the timely delivery of features.

Who You Are

We are looking for a self-motivated engineer who thrives in the intersection of hardware and software.

Minimum Requirements

• Experience: 5+ years of professional software development experience, with at least 2+ years focused on embedded, mobile, or connected devices.

• Technical Proficiency: Mastery of C and experience architecting multithreaded applications in resource-constrained environments.

• Hardware Knowledge: Strong understanding of hardware-software interfaces, microcontrollers, and basic electrical design principles.

• Protocols & Debugging: Proficiency with common communication protocols (Ethernet, SPI, UART, I2C, USB) and debugging practices (JTAG, GDB).

• Telemetry: Experience implementing and parsing telemetry data to proactively monitor device health and resolve field issues.

• Education: Degree in CS, CE, EE, or equivalent practical experience.

Preferred Qualifications

• Proficiency in C++ and experience writing device drivers.

• Direct experience with ARM platforms.

• Deep knowledge of EMV standards and PCI technology.

• Experience with cryptography (symmetric/asymmetric) and secure key management.

• Familiarity with POS hardware, peripherals, and retail transaction processing standards.