Security Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Security Engineer based in United Kingdom. As a Security Engineer, you will take ownership of application security for a rapidly growing AI-powered digital platform serving millions of users worldwide. This is a hands-on role focused on identifying vulnerabilities, reviewing code and strengthening security across the entire application stack. Acting as the primary security specialist, you will work closely with technical leadership and engineering teams to define security priorities and implement effective solutions. You will also contribute to securing AI-powered products by identifying emerging threats such as prompt injection, jailbreaks and content filter bypasses. Combining technical execution, independent decision-making and strategic responsibility, you will have the opportunity to shape security practices from the ground up. This fully remote position offers significant autonomy within a fast-paced, innovative and internationally distributed environment.