This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior/Staff Security Researcher based in United States. This role is an opportunity for an experienced security researcher to shape the future of application security through innovative research and scalable security solutions.You will work at the intersection of application security, program analysis, and applied AI to help organizations identify and resolve vulnerabilities faster.The position focuses on building advanced detection capabilities, automation workflows, and research-driven products that improve security outcomes at scale.You will have the autonomy to define research directions while collaborating with engineering, product, and security teams.The role combines deep technical exploration with practical customer impact, transforming security expertise into tools used by teams worldwide.You will contribute to solving complex challenges around code security, AI-assisted development, and trustworthy vulnerability detection.