https://emkc.org/contests has weekly contests that are fantastic. If you have an interest in learning a language, or having fun solving problems, give these weekly challenges a try. A new challenge starts each week at noon central time each Sunday. The contest lasts until Noon central time the following Wednesday.
There is an active discord group found at https://discord.gg/engineerman Take a look and see if it is a good fit if you are a developer.