Software Engineer - Application Infrastructure

CX2 is a cutting-edge defense technology company focused on electromagnetic spectrum dominance for the US and allies. We're seeking a Senior Backend Engineer to join our Application Infrastructure team. The role involves building and scaling our electromagnetic spectrum intelligence platform, working with edge and hybrid cloud infrastructure, and processing high-volume sensor data in real-time.

The position offers unique challenges in optimizing for disrupted network conditions and adhering to DoD/IC requirements. You'll be instrumental in evolving our core software stack and delivering critical electromagnetic warfare capabilities. The role combines cloud expertise, infrastructure management, and security implementation in a mission-critical environment.

We offer competitive compensation ($140K-$190K), comprehensive benefits including health insurance and equity, and the opportunity to work with cutting-edge technology. The position is based in El Segundo, CA, requiring on-site presence. You'll join a team of veteran entrepreneurs from Meta, SpaceX, and other leading tech companies, backed by top defense ecosystem investors.

This role is perfect for experienced engineers passionate about national security, infrastructure scaling, and complex technical challenges. You'll have high autonomy, access to the latest tools, and the chance to solve some of the hardest problems in electronic warfare. The role requires strong expertise in cloud platforms, Kubernetes, and API design, with a focus on security and reliability.