Hi Leander,
You could accomplish this with css but it might be a tough task. Here is a link to w3schools that explains how to position text over an image.
https://www.w3schools.com/howto/howto_css_image_text.asp
To include data from your database, you could use the format string widget or any of the standard mendix widgets to display data.
https://www.w3schools.com/howto/howto_css_image_text.asp
Hope this helps!