Firmware Development Engineer

Description

Job Summary: We are seeking a Firmware Development Engineer to join our electronics team, responsible for developing firmware for critical embedded flight systems on UAV platforms. Key Highlights: 1. Integration into a multidisciplinary and innovative team 2. Focus on reliability and safety of critical flight systems 3. Opportunity for professional development and growth We are looking for a Firmware Development Engineer to join our electronics team. You will be responsible for developing firmware for critical embedded flight systems — from battery management systems (BMS) and navigation peripherals to communication modules — on UAV platforms. You will work closely with hardware, system integration, and flight test teams in an environment where reliability and safety are top priorities. ##### **Key Responsibilities** * Develop, test, and maintain firmware in C/C\+\+ for microcontrollers, including peripheral configuration and power management; * Design firmware architectures based on RTOS, with attention to temporal determinism, task priorities, and synchronization mechanisms; * Implement and validate communication protocols between drone subsystems; * Integrate firmware with the flight controller ecosystem, including development of peripheral nodes; * Perform hardware-level testing using oscilloscope, logic analyzer, and trace tools (SWD/JTAG); * Write technical documentation and participate in code and design reviews; * Support bench validation campaigns and flight tests, analyzing logs and diagnosing anomalies. ##### **Desired Profile** * Bachelor’s or Master’s degree in Electrical Engineering, Computer Science, Aerospace Engineering, or related field. * Experience developing firmware for ARM Cortex\-M microcontrollers, preferably STM32; * Experience with communication protocols used in drones, e.g.: CAN, MAVLink, UART, SPI, I²C, SBUS, Ethernet; * Experience with hardware debugging tools (oscilloscope, logic analyzer, SWD/JTAG probes); * Autonomy in problem investigation and resolution, with transparent communication of risks and uncertainties; * Passion for multidisciplinary work at the intersection of firmware, hardware, and system integration; * Availability for on-site work in Alverca do Ribatejo. ##### **Benefits and Career Opportunities** * Monthly gross salary range: €1,400 to €1,600; * Meal allowance of €10.20 per day (paid via card); * Family health insurance (Fidelidade); * Integration into a multidisciplinary and innovative team; * Stable employment contract (permanent contract); * Opportunity for professional development and growth in a relaxed and continuously learning environment. ##### **We Value Diversity** We promote equal opportunity and diversity, encouraging all qualified individuals to apply.