Which programming languages would you recommend I learn if I want a Computer Science related job in 2019?
You might try searching your favorite jobs portal for Rookie Programmer jobs and see which languages they're looking for.
It's all about where you see yourself. For instance at my job I had to learn powershell on the fly as I deal with windows server/exchange/ad/etc. But also leveraged my knowledge of other systems and languages to complete complex tasks. Ex a project I'm working on leverages 4 different languages to complete a series of tasks that'll save the company thousands of hours in productivity.
The English one.