Downloadable mobile applications for posting and viewing employment opportunities, for searching for employment opportunities, and for applying for employment; Downloadable processor-implemented application software for mobile computing devices, namely, software for personnel placement and recruitment services in the nature of providing a job placement marketplace; Application software for providing a career placement marketplace via mobile computing devices; Downloadable computer software for posting job vacancies, screening potential job applicants, searching for job vacancies, and submitting applications for job vacancies; Providing a mobile application featuring technology that enables candidates and employers to connect and communicate with respect to skill-based jobs