Senior Security Engineer, Application Security

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Security Engineer, Application Security based in the United States. In this remote role, you will help shape and strengthen security across cloud infrastructure, applications, and emerging AI-powered products. You will take ownership of complex security initiatives, from architecture and threat modeling to implementation and incident response. Working closely with product and engineering teams, you will embed security into development workflows from the earliest design stages. You will also build practical tools and frameworks that make secure development easier and more consistent. This is an opportunity to influence security strategy in a fast-evolving technology environment where AI-driven experiences and sensitive user data require thoughtful protection. Applicants located in the Eastern or Central time zones are preferred to align with team working hours.