Computer network design and computer software design for the management the human resources area of a business as well as for the recruiting of personnel; Computer programming and software design; Computer software consultancy; Computer software design; Computer software design and updating; Computer software design for others; Computer software development; Computer software development and computer programming development for others; Computer software development in the field of human resource management and personnel recruitment; Computer software development, computer programming and maintenance of computer software for human resource management and personnel recruitment; Computer software installation and maintenance; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Consulting in the field of IT project management; Creating, maintaining, and modernizing computer software; Design and development of computer hardware and software; Design and development of computer software for human resource management and personnel recruitment; Design of computer hardware, integrated circuits, communications hardware and software and computer networks for others; Design of computer networks and software for others for the management the human resources area of a business as well as for the recruiting of personnel; Design, development and implementation of software; Design, development, and implementation of software for human resource management and personnel recruitment; Design, development, installation and maintenance of computer software; Design, installation, updating and maintenance of computer software; Design, maintenance, development and updating of computer software; Developing and updating computer software; Developing customized software for others; Developing customized software in the field of human resource management and personnel recruitment for others; Installation, maintenance and repair of computer software; Installation, maintenance and repair of software for computer systems; Maintenance and updating of computer software; Maintenance and upgrading of computer software; Programming of computer software for others; Services for maintenance of computer software; Services for updating computer software; Software design and development; Software development in the field of human resource management and personnel recruitment; Updating and design of computer software; Updating and maintenance of computer software; Updating of computer software for others; IT consulting services; IT integration services