Senior/Staff Software Engineer

ABOUT THE ROLE Join a cybersecurity team building tools for organizations in the U.S. federal defense industrial base. You will help deliver new product capabilities and foundational infrastructure in a fast-moving, product-focused environment. WHAT YOU'LL DO - Build full-stack features for experimental products or develop foundational infrastructure. - Contribute across the product lifecycle, from planning and design through deployment and optimization. - Work closely with product, design, and engineering teammates to deliver high-quality software iteratively. - Mentor engineers and help strengthen team practices and technical skills. WHAT WE'RE LOOKING FOR - At least 6 years of full-stack software development experience, including technically complex work at senior or staff scope. - Strong hands-on experience with TypeScript and a modern object-oriented backend language, with production coding in both most weeks. - Experience with React, GraphQL, and Ruby on Rails; familiarity with Rust or Node.js is useful. - Experience leading multi-engineer projects and mentoring other engineers. - High ownership, a bias for action, and interest in early-stage cybersecurity companies and defense-related work. - Experience at Series A to C startups and a record of sustained tenure across multiple roles. - Strong computer science fundamentals or an equivalent senior engineering track record. - Authorized to work in the United States without visa sponsorship. COMPENSATION & BENEFITS Salary range: $210,000 to $260,000 USD annually. Visa sponsorship is not available. LOCATION Hybrid work arrangement. The role is listed with Canada as its primary location, and candidates must be located in or willing to relocate to New York City.