There are many options available for technical training. Here are a few suggestions.
Jetbrains offers free access to its coding and other teaching modules to those who have a university email account.
The Federal Virtual Training Environment (FedVTE) provides free online cybersecurity training to U.S. government employees, Federal contractors, and veterans. There are free courses available to the public here as well.
Services such as Immersive Labs offer simulations to show off your skills, and often give access to a demo test.