Apple is seeking exceptional engineers across multiple teams including Siri, Security Engineering & Architecture (SEAR), and Fraud & Security (FEAR). The positions span various locations and focus on critical areas such as machine learning, natural language processing, security engineering, and malware detection. Siri team handles over a billion requests per week across iOS, tvOS and watchOS devices. The SEAR team focuses on making sense of complex hardware and software systems, analyzing threats, and delivering security solutions to over a billion devices. The FEAR team is responsible for protecting Apple's users and services through large-scale distributed solutions. These roles offer unique opportunities to work on cutting-edge technology that impacts millions of users worldwide while being part of Apple's innovative culture that values perfectionism, idealism, and original thinking.