Jobs at Twenty

Twenty is seeking an innovative Associate Cyber Security Research Engineer for an in-office position in its Arlington, VA office with strong research skills, software development, and offensive security expertise to join our mission of defending democracies. In this role, you'll develop and automate sophisticated attack paths, leverage machine-speed data processing, and create tools that a...

Twenty is seeking a mid-level AI Engineer for an in-office position in its Arlington, VA office to help build the next generation of cyber technologies that protect democracies worldwide. We're looking for someone with 4+ years of experience in developing and supporting ML and AI applications. In this role, you'll build, tune, and deploy language models that enhance our mission-critical cy...

Twenty is seeking a Technical Recruiter for an in-office position in its Arlington, VA office to help build our world-class engineering team that develops next-generation cyber technologies protecting democracies worldwide. We're looking for someone with 4+ years of technical recruiting experience, particularly in sourcing software engineers, AI/ML engineers, and full-stack developers with...

Twenty is seeking a mid-level Frontend Engineer for an in-office position in its Arlington, VA office to help build the next generation of cyber technologies that protect democracies worldwide. We're looking for someone with 6+ years of experience in developing scalable frontend applications, with deep expertise in React.js, TypeScript, and modern web technologies, plus working knowledge o...

Twenty is seeking a Senior Backend Engineer to work in office in our Arlington, VA office to help build the next generation of cyber technologies that protect democracies worldwide. We're looking for someone with 7+ years of experience in developing scalable applications, with deep expertise in Golang, graph databases, and cloud-native technologies, plus proven leadership experience mentor...