Software Engineer - Mission Execution

About Us 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. 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. About the Role As a Software Engineer, Mission Execution, you'll build the software backbone that carries mission plans from the planner to the field. You'll own the infrastructure that executes missions on autonomous robots and multi-agent systems. You'll work closely with the Mission Planning engineer, simulation engineers and product teams to make sure our systems are reliable, testable, and predictable in live operations. Responsibilities Design and build the mission execution infrastructure that turns planned missions into reliable, real-time behavior across fleets of autonomous systems. Develop scalable backend services and APIs for mission guidance, orchestration, agents communication, and execution. Set and defend a high quality bar: CI/CD pipelines, testing, code review standards, observability, and release discipline. Write production-grade C++ and Python that runs in real-time and resource-constrained envir