Lead Software Engineer, API/SDK

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril’s family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. ABOUT THE TEAM The Lattice SDK team is at the forefront of building Anduril’s developer ecosystem. Since our public launch, we’ve attracted numerous potential partners ranging from innovative startups to defense giants and military organizations worldwide. Our team serves as the critical bridge between Anduril’s cutting-edge defense technology and the broader developer community. We’re creating a thriving ecosystem where partners can seamlessly integrate their applications, hardware, and data services with Lattice, demonstrating the platform’s exceptional interoperability while expanding its capabilities. By fostering these partnerships, we’re not just building software—we’re revolutionizing how defense technology collaborates across platforms to deliver real impact in the field. ABOUT THE JOB We are looking for a Senior Software Engineer to join our rapidly growing team in Seattle, WA. In this role, you will work on our developer portal and generated SDKs to enable our partners to write complex technical integrations for the Lattice platform. This position requires deep technical expertise in API design, cloud architecture, and hands-on development experience. If you thrive on solving complex technical challenges, enjoy creating great developer ecosystems, and are passionate about creating mission-critical solutions at scale, then this role is for you. WHAT YOU’LL DO Work on our developer portal to enhance partner engagement and streamline the integration process Develop infrastructure to simplify the exposure of APIs and SDKs for external developers. Build and maintain sample applications, SDKs, and technical frameworks that enable partners to implement sophisticated solutions. Provide technical leadership during partner onboarding, guiding their engineering teams through complex integration scenarios. Create proof-of-concept applications and reference architectures that demonstrate advanced Lattice capabilities and integration patterns. Collaborate with engineering teams to influence the platform roadmap based on real-world implementation challenges. Conduct technical reviews of partner architectures and provide recommendations for optimization and scalability. Troubleshoot complex integration issues and provide hands-on technical support for mission-critical deployments. Evangelize best practices for building resilient, secure, and performant applications on the Lattice platform. REQUIRED QUALIFICATIONS 5+ years of experience as a Senior Software Engineer with customer-facing responsibilities. Strong programming experience in multiple languages (Python, Java, Go, C++, or similar) with demonstrated ability to build production-grade applications. Deep expertise in distributed systems architecture, including microservices, event-driven architectures, and API gateway patterns. Experience with CI/CD pipelines, infrastructure as code, and DevOps practices. Hands-on experience with cloud platforms (AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes). Proven track record of designing and implementing complex system integrations in enterprise environments. Experience with API technologies including REST, gRPC, GraphQL, and real-time communication protocols (WebSockets, message queues). Strong understan