<h3><strong>About Us</strong></h3><p style="min-height:1.5em">Harmattan AI is a next-generation defense prime building autonomous and scalable defense systems. Following the close of a $200M Series B, valuing the company at $1.4 billion, we are expanding our teams and capabilities to deliver mission-critical systems to allied forces.</p><p style="min-height:1.5em">Our work is guided by clear values: building technologies with real-world impact, pursuing excellence in everything we do, setting ambitious goals, and taking on the hardest technical challenges. We operate in a demanding environment where rigor, ownership, and execution are expected.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>About the Role</strong></p><p style="min-height:1.5em">We are seeking an Software Engineer (4+ years of experience) to join our multidisciplinary, high-caliber Gimbal team in Paris. In this role, you will take ownership of gimbal control and GNC (Guidance, Navigation, and Control) software running on custom hardware platforms and embedded Linux/microcontrollers. Working closely with Software, GNC, Mechanical, Hardware, and Test Bench/Industrialization teams, you will drive critical developments from initial concept to full realization, spending time both at the desk/lab and conducting field test evaluations every few weeks.</p><p style="min-height:1.5em"></p><h2><strong>Responsibilities</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em"><strong>Software &amp; Firmware Development:</strong> Design, build, and optimize embedded software running on custom microcontrollers (MCU) and embedded Linux platforms where real-time execution is critical.</p></li><li><p style="min-height:1.5em"><strong>Gimbal &amp; GNC Ownership:</strong> Take full ownership of gimbal control algorithms, master the GNC software framework, and lead ongoing initiatives for next-generation multi-axis systems and new sensor integrations.</p></li><li><p style="min-height:1.5em"><strong>Diagnostics &amp; Performance Tooling:</strong> Develop PC software tools and diagnostic utilities to analyze telemetry logs, system friction, calibration, and motor/IMU communication.</p></li><li><p style="min-height:1.5em"><strong>Testing &amp; Field Operations:</strong> Lead flight test preparations, participate in lab experiments (oscilloscopes, prototype boards), and perform post-flight telemetry analysis to validate system performance.</p></li><li><p style="min-height:1.5em"><strong>System Architecture &amp; Rigor:</strong> Define and implement rigorous protocols and software architecture to ensure peak system integrity, performance, and seamless collaboration across engineering disciplines.</p></li><li><p style="min-height:1.5em"><strong>Mentorship:</strong> Provide technical guidance and mentorship to junior team members as senior initiatives expand.</p></li></ul><p style="min-height:1.5em"><strong>Candidate Requirements</strong></p><ul style="min-height:1.5em