WRITER is seeking a Software Security Engineer (Embedded) to strengthen their AI/AGI services security infrastructure. This role combines deep software engineering expertise with security focus, responsible for protecting users and their data through fraud prevention, abuse detection, and identity systems. The position requires 8+ years of software engineering experience with 5+ years in security-focused development. The role involves building customer-facing security controls, authentication systems, and developer-friendly security frameworks. Working in a hybrid setting in London, the successful candidate will collaborate with AI Security, Detection & Response, and Infrastructure teams to create seamless yet robust security solutions that serve millions of users. The role offers comprehensive benefits including medical insurance, parental leave, and equity options.