About this role
<h2>Firmware Engineer</h2><h3>Candidate Profile (Must Have)</h3><ul><li><p><strong>Experience:</strong> 5+ years of commercial experience in embedded projects (bare metal or RTOS).</p></li><li><p><strong>Language & Tools:</strong><br>Strong C skills; CMake/Make; GCC/Clang or MCU vendor toolchains; Git; debugger tools (J-Link / ST-Link); trace and profiling tools.</p></li><li><p><strong>Microcontrollers:</strong><br>ARM Cortex-M (e.g. STM32 / NXP / Infineon) or equivalent; ability to read and apply datasheets and reference manuals.</p></li><li><p><strong>HAL / Drivers:</strong><br>Design and modification of low-level drivers (GPIO, ADC, PWM, I2C, SPI, UART, watchdog, timers) as well as drivers for external peripherals (e.g. EEPROM).</p></li><li><p><strong>Communication:</strong><br>CAN bus (filters, masks, bitrates, transceivers, termination); basic knowledge of SocketCAN (Linux); design of application-level communication protocols.</p></li><li><p><strong>Bootloader / Firmware Update:</strong><br>Experience in bootloader implementation, firmware updates (e.g. via CAN), integrity verification (CRC), rollback mechanisms and secure update strategies.</p></li><li><p><strong>Measurements & Protections:</strong><br>Design and validation of current, voltage and temperature measurements (ADC, oversampling, calibration) and protection mechanisms (thresholds, hysteresis, time-based debouncing).</p></li><li><p><strong>Software Architecture:</strong><br>Design of modular software architecture: clear layer separation (HAL/Drivers, Services, Protocol, Application), state machines, event loops, interface abstractions.</p></li><li><p><strong>Quality & Testing:</strong><br>Integration testing, functional verification, error logging and tracing; ability to develop Linux-based test tools (SocketCAN).</p></li><li><p><strong>Documentation:</strong><br>Technical specifications (drafting, review), block diagrams, in-code documentation, changelogs, and environment setup instructions.</p></li></ul><hr><h3>Nice to Have</h3><ul><li><p>RTOS experience (FreeRTOS / Zephyr)</p></li><li><p>MISRA C</p></li><li><p>Unit testing (Ceedling / Unity)</p></li><li><p>Continuous Integration (GitHub Actions / GitLab CI)</p></li><li><p>Static analysis (clang-tidy, cppcheck)</p></li><li><p>Experience with safety-critical systems (e.g. automotive, industrial)</p></li><li><p>EMC / ESD awareness</p></li><li><p>Knowledge of UDS / ISO-TP, CANopen / J1939</p></li></ul><hr><h3>Environment & Tools (Required)</h3><ul><li><p><strong>Repository & Branching:</strong><br>Git with pull requests, code reviews, and commit conventions (e.g. Conventional Commits).</p></li><li><p><strong>Build System:</strong><br>CMake/Make or IDE-based toolchains; per-target configurations (Debug / Release).</p></li><li><p><strong>Debugging:</strong><br>J-Link / ST-Link, SWD, OpenOCD; flashing scripts (e.g. make flash).</p></li><li><p><strong>Linux Test Rig:</strong><br>SocketCAN (can0, cangen, candump); custom CLI test application for Control Board simulation.</p></li><li><p><strong>Documentation:</strong><br>Markdown / AsciiDoc; diagrams in <a target="_blank" href="http://draw.io">draw.io</a> / PlantUML; test checklists.</p></li><li><p><strong>Issue Tracking:</strong><br>JIRA or GitHub Issues with linkage to commits and pull requests.</p></li></ul><hr><p></p><div><p></p></div><div><div><p></p></div></div><div><p></p></div><div id="thread-bottom-container"><div><div><p></p></div></div><div id="thread-bottom"><div><div><div><p></p></div><div><div><p></p></div><div><p></p></div><div><div><div><div><div id="prompt-textarea"><p></p></div></div></div><div><p></p></div><div><div><div><div><div><p></p></div></div></div></div></div></div></div></div></div></div></div></div>
About Infotree Global Solutions
Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies producing results through continuous improvement and innovation. From those humble beginnings, Infotree Global has explosively grown from a two-person operation to a global solutions company, functioning in over 150 countries across 5 different continents.
Infotree Global proudly serves more than 250 of the Global 1000, numerous government agencies, and some of the world’s largest nonprofit organizations. Our sustained growth is attributed to our focus and commitment to our thousands of full-time professionals. In today’s market, where high-quality dedicated individuals are in demand; Infotree Global recognizes that an emphasis on understanding, achieving, and exceeding our employee’s goals, aspirations and overall experience is paramount. This “people over profits” mindset has yielded tremendous success for our employees and clients. Our employees have a vast array of assignments available across the world to help achieve and exceed their career goals and our clients have motivated, dedicated, and hardworking professionals on their team. We are here to help the best talent work with the greatest companies to produce innovative results in a variety of industries including but not limited to IT, Engineering, Clinical, Skilled Trades, Finance and Accounting.
Our mission’s success is supported by several industry awards and accolades. If you are looking for a committed and understanding partner, your search ends here.