Embedded Connectivity Engineer

<h4>Team Summary</h4> <p>Our Firmware RTOS team develops the mission-critical communications stack, operating on a dual-processor architecture. The team's objectives center on maintaining hard real-time determinism for the P25 LMR radio stack while integrating a massive suite of broadband connectivity modules without mutual interference.</p> <h4>Job Summary</h4> <p>We're seeking a Senior Embedded C/C++ Engineer with 7+ years of experience in RTOS. This is a unique opportunity to build a brand-new product from scratch and take complete ownership of the cellular integration and cross-processor connectivity logic for a next-generation device. As part of our team, you will be responsible for hardware bringup, architecture design, and business requirements implementation, ensuring the device achieves seamless 5G/LTE connectivity with reliable fallback to P25 LMR networks.</p> <h4>Responsibilities and Duties</h4> <ul> <li>Contribute to architectural decisions, component selection, and hardware-software co-design for the new platform.</li> <li>Design and develop high-quality code in C/C++ for RTOS-based and simple scheduler-based MCUs.</li> <li>Break down complex tasks, lead feature development, and drive prototypes to production-ready status.</li> <li>Provide accurate estimates and development commitments based on the feature PRD.</li> <li>Integrate and configure pre-certified 5G/LTE modem modules from the early bringup phase.</li> <li>Develop the connectivity manager logic on the Communications Processor to handle seamless fallback transitions between 5G, LTE, and P25 LMR.</li> <li>Design and document the Inter-Processor Communication (IPC) API contract between the Application Processor and communications controller.</li> <li>Optimise firmware to support rigorous carrier and public safety certifications.</li> <li>Collaborate closely with software, hardware, and RF teams to create high-quality prototypes and innovative products.</li> <li>Regularly report project status and technical risks during meetings with management.</li> </ul> <h4>Qualifications and Skills</h4> <ul> <li>At least 7 years of commercial experience in embedded development, with expertise in C/C++ and deep knowledge of RTOS and microcontroller architectures (ARM, RISC-V).</li> <li>Proven track record of bringing up new hardware and working with reference design boards or evaluation kits.</li> <li>Extensive experience designing high-bandwidth, low-latency Inter-Processor Communication (IPC).</li> <li>Solid experience integrating cellular modems (AT commands, modem control layers) at the firmware level.</li> <li>Knowledge of communication protocols (I2C, SPI, UART) and low-level device driver integration.</li> <li>Proficiency in the full SDLC, including professional engineering practices like Git, CMake, code reviews, and continuous integration.</li> <li>Ability to work with high autonomy and take ownership of complex modules started from the ground up.</li> <li>Excellent communication skills for technical discussions and documentation, with a collaborative mindset for cross-functional team environments.</li> <li>At least an Upper-Intermediate level in both written and spoken English (B2).</li> </ul> <h4>Nice to have</h4> <ul> <li>Familiarity with 3GPP Release 16/17 standards, MCPTT frameworks, Wi-Fi 7, Bluetooth 6.0, UWB, or GNSS integration.</li> <li>Experience in basic HW diagnostics (using oscilloscopes, logic analyzers) and basic soldering.</li> <li>Experience with cellular logging and diagnostic tools</li> <li>Familiarity with RF signal processing or physical coexistence challenges.</li> <li>Experience in embedded Linux development.</li> <li>Experience using AI-powered tools to enhance productivity and code quality.</li> </ul> <h4>We offer multiple benefits that include</h4> <ul> <li>The environment of equal opportunities, transparent and value-based corporate culture, and an individual approach to each team member</li> <li>Competitive compensation and perks. Annual performance review</li> <li>Opportunity to receive a Performance Bonus for your individual achievements and a Loyalty Bonus recognizing your dedication to the company</li> <li>Gig-contract</li> <li>21 paid vacation days per year, paid public holidays according to Ukrainian legislation</li> <li>Development opportunities like corporate courses, knowledge hubs, and free English classes, as well as educational leaves</li> <li>Medical insurance is provided from day one. Sick leaves and medical leaves are available</li> <li>Remote working mode is available within Ukraine only</li> <li>Free meals, fruits, and snacks when working in the office.</li> </ul>