Senior/Staff Software Engineer

ABOUT THE ROLE Join a cybersecurity product team building new tools for the U.S. federal defense industrial base. This product-focused role spans experimental full-stack products and foundational infrastructure, with ownership across the product lifecycle. WHAT YOU'LL DO - Develop full-stack product features and foundational infrastructure. - Contribute from planning and design through deployment and optimization, occasionally taking on product management responsibilities. - Build with TypeScript, React, GraphQL, and Ruby on Rails, with opportunities to use Rust or Node.js on new products. - Work closely with product, design, and engineering in a fast-paced, iterative environment. - Mentor engineers and help shape team culture and technical practices. WHAT WE'RE LOOKING FOR - At least 6 years of full-stack software development experience, with technical depth appropriate to a Senior or Staff engineer. - Experience leading multi-engineer projects and mentoring engineers. - Hands-on production experience with TypeScript and a modern object-oriented backend language. - Strong ownership, ability to move quickly, and interest in early-stage startup environments. - Comfort working on cybersecurity products for the U.S. defense industrial base. - Strong computer science fundamentals or an equivalent record of senior engineering work. - Authorized to work in the United States without visa sponsorship. COMPENSATION & BENEFITS Base salary: $210,000 to $260,000 USD annually. Visa sponsorship is not available. LOCATION Hybrid, Canada. The role requires authorization to work in the United States without sponsorship.