Artificial intelligence as a service (AIAAS) services featuring software using artificial intelligence (AI) for conducting, analyzing, and managing interviews; Providing on-line non-downloadable software for automated interviewing, candidate evaluation, and recruitment optimization; Design, development, and implementation of software for human resources and candidate assessment; Design and development of intelligence (AI) software for natural language processing, emotion recognition, and behavior analysis during interviews; Providing temporary use of on-line non-downloadable software and applications using artificial intelligence (AI) for simulating human interviews via text, voice, or video