Jira is a pain, slow, bloated, and ugly.
Trello okay is for student projects, too basic.
ClickUp was decent when I used it professionally, I still use it for personal project management.
Azure DevOps is baby’s 1st JIRA, but somehow Microsoft made it worse in every way.
Language absolutely is a marketable skill because most companies are looking to hire someone who can start working day one not someone they’ll have to train for weeks or even months in a new language that heavily relies on some specific framework.