There's no prohibition on computer engineers being pilots.
So long as you can operate the controls of your aircraft and see out clearly, there's no reason why height, weight or age should be an obstacle.
A 16 year-old schoolgirl can be a pilot. and trainees are as young as 7. In some places youat age 5, you can be a pilot at age 5 of sorts. It's a bit harder to get a job flying jumbo jets commercially, but there are 20-year olds doing this
Obviously you have to put in the time and effort and have a minimum of health and mental competence.