The field u chose requires a lot of creativity and problem solving skills so u gotta improve on that if u want to suceed in CS , for backend there are a lot of resources Codeacademy(website) ena freecodecamp (yt channel) alu, u can also look up some more , If u got social media management skills u can do social media management on upwork most require some skills so my suggestion would be video editing cuz it is wider