There are some areas;
- System Admin (Win/Linux/Unix) good you must know about hardware
- DBA (Oracle, IBM. MS) it is good to have some certificates, big responsibility
- Programmer to Oracle*Forms and more PRO*C and more, good you need to think more
- Programmer o Javascript, Java, Python best paid
- CMS tech (WordPress 40%, Drupal, Joomla) good
- Web Design PS, Gimp, UI
- Web Programming
- Frond End (HTML,CSS,JS)
- Back end (PHP, PHP Frameworks, and more)
- and more areas like AI, Machine Learning, and more
Better do not do something extreme but popular and easy
