Software as a service (SaaS) services featuring software for use in talent acquisition management to source and manage candidate pipeline, engage with job candidates, and enrich job candidate database; software as a service (SaaS) services featuring software for talent sourcing, human resources management, business operation, and talent data management; software as a service (SaaS) services featuring software using artificial intelligence for providing customers with a job candidate sourcing, engagement, integration, and intelligent discovery data management system; software as a service (SaaS) services, namely, hosting software for use by others for talent acquisition project management, HR systems integration, talent data synchronization, enrichment, and export.