Computer systems developers and programmers write, modify, integrate and test computer code for software applications, data processing applications, operating systems-level software and communications software. They are employed in computer software development firms, information technology consulting firms, and in information technology units throughout the public and private sectors.

Software engineers and designers research, design, evaluate, integrate and maintain software applications, technical environments, operating systems, embedded software, information warehouses and telecommunications software. They are employed in information technology consulting firms, information technology research and development firms, and information technology units throughout the private and public sectors, or they may be self-employed.

Software developers and programmers design, write, and test code for new systems and software to ensure efficiency. They create the foundations for operative systems and run diagnostic programs to certify effectiveness. They are employed in computer software, computer and video game development firms, information technology consulting firms, and in information technology units throughout the public and private sectors.

Web designers develop and create the visual presentation, layout and functionality of websites and related applications. They are responsible for ensuring that the website is easy to use, and that the information is easy to access. Web designers are employed in computer software development firms, information technology consulting firms, information technology units throughout the public and private sectors, advertising agencies or they may be self-employed.

Web developers and programmers use a variety of programming languages to design, create and modify websites. They analyze users' needs to implement content, graphics, performance, and website capacity. They may also integrate websites with other computer applications. They are employed in computer software development firms, information technology consulting firms, information technology units throughout the public and private sectors, advertising agencies or they may be self-employed.