This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Application Security Engineer based in United States. This role offers the opportunity to shape application security practices within a highly innovative, AI-driven technology environment.The Lead Application Security Engineer will help embed security throughout the software development lifecycle by building scalable, automated, and intelligent security solutions.You will collaborate with engineering, product, DevOps, QA, and AI platform teams to identify risks and strengthen security capabilities.The position focuses on proactive defense, secure-by-design practices, threat modeling, vulnerability management, and security automation.You will influence security maturity by introducing modern approaches to application protection and AI-enabled risk analysis.This is a high-impact role for an experienced security professional who enjoys solving complex challenges and enabling teams to innovate securely.