Member of Technical Staff, Security Engineer

Crosby is the first AI-native law firm, helping companies like Cursor, Ramp, and Cognition sign commercial contracts faster. As a Security Engineer, you will design and implement the security foundations of the platform, protecting sensitive legal data, securing infrastructure, and embedding best-in-class security practices across the engineering organization. You will work with engineering, product, and legal teams to identify risks, implement controls, and ensure systems meet the higheststanda

4+ years of experience in security engineering, infrastructure security, or a related role; strong understanding of application security, cloud security (e.g., AWS/GCP), and common vulnerability classes; experience securing production systems including authentication, authorization, and data protection; proficient in at least one programming language (e.g., Python, Go) and comfortable working with engineering teams; experience with security tooling, monitoring systems, and incident response w