Anduril Industries is seeking a Principal Software Engineer to join their Lattice Platform team, focusing on building a comprehensive, integrated platform that enables efficient data management and system-wide interoperability. This role offers an opportunity to work on cutting-edge defense technology, developing robust data models, object storage solutions, and SDKs that power autonomous systems and data-driven decision-making. The position requires expertise in system architecture, distributed systems, and various programming languages, with a focus on creating scalable solutions that have real-world impact in military applications. The role combines technical leadership with hands-on development, requiring both strategic thinking and practical implementation skills. Working at Anduril means contributing to transformative defense technology while being part of a team that values rapid iteration and innovation. The company offers comprehensive benefits, competitive compensation including equity, and the chance to work on systems that directly impact U.S. and allied military capabilities. This role requires eligibility for a Top Secret clearance and involves some travel to understand real-world operating conditions.