By Manish Choudhary
They help make new tech stuff and make sure it works for people.
They design how apps and websites look and work so that it's easy for people to use.
They look at lots of information to help businesses make good choices.
They keep companies safe from computer hackers by finding and fixing problems.
They use the internet to tell people about products and make them want to buy them.
They write instructions so that everyone can understand how to use tech things.
They organize and lead teams to finish tech projects on time and on budget.