Software Engineer

Job Title: Software Engineer (Embedded C++/Firmware)

Location: Schaumburg, IL (Onsite)

Job Type: Contract

Embedded C++, C++17, Embedded Firmware, Zephyr RTOS, STM32/Cortex-M4F, Device Driver Development, SPI, I2C, USB, UART, GPIO, DMA, Embedded Linux, ETL State Machines, Memory/Power Optimization, Debugging, Secure Firmware Design.

Job Description

We are looking for an experienced Embedded Software Engineer to join our team in Schaumburg, IL . The ideal candidate will have strong expertise in Embedded C++, firmware development, RTOS, STM32 microcontrollers, and low-level driver development . This role involves developing next-generation secure NFC/RFID reader products while working on real-time embedded systems and collaborating with cross-functional engineering teams.

Required Skills:

5+ years of Embedded Software/Firmware development experience.

Strong programming experience in Modern C++ (C++17 or later) .

Hands-on experience with Embedded C/C++ , RTOS (Zephyr preferred), and Embedded Linux .

Experience developing firmware for STM32 , Cortex-M4F , or similar microcontrollers.

Strong experience with SPI, I2C, UART, USB, GPIO, DMA, and Timers .

Experience developing Linux Device Drivers and Device Abstraction Layer (DAL/HAL) .

Experience with ETL-based state machines and real-time embedded applications.

Strong knowledge of memory optimization, timing analysis, power optimization, debugging, and profiling .

Experience implementing fault recovery , error handling , and secure firmware design.

Familiarity with Yocto , Git , Linux development environments , and embedded toolchains.

Strong debugging and troubleshooting skills.

Preferred Skills:

Experience with Zephyr RTOS .

Experience with USB CCID or secure credential protocols.

Experience working on NFC/RFID , authentication, or secure embedded devices.

Experience with CMake , static analysis tools, and automated testing.

Experience working in Agile environments.

Responsibilities

• Develop and maintain embedded firmware for secure NFC/RFID products.

• Design and implement embedded software using Modern C++ (C++17+) .

• Develop and maintain low-level drivers for SPI, I2C, USB, UART, GPIO, DMA, and Timers .

• Optimize firmware for performance, memory usage, power consumption, and real-time execution .

• Implement robust error handling and fault recovery mechanisms.

• Perform debugging, testing, profiling, and validation of embedded firmware.

• Collaborate with firmware, hardware, and systems engineering teams to deliver high-quality embedded solutions.