Computer software development; Software design and development; Design and development of software; Computer software design and development; Computer software development and computer programming development for others; Software development in the framework of software publishing; Research and development of computer software; Design, development and implementation of software; Design and development of computer software; Computer software applications design and development; Development of software for chip design; Development of augmented reality game software; Development of software for secure network operations; Design and development of single sign-on software; Design and development of virtual reality software; Design and development of computer game software; Design and development of computer software applications; Design and development of computer game software and virtual reality software; Software development for others in the field of software configuration management; Design and development of software for instant messaging