Click your profile picture at the top left and go to Settings. In the System language section you can choose from the following languages: Czech, English, French, Hungarian, Lithuanian, Polish, Portuguese, Romanian, Russian, Slovakian and Spanish:
Once you make your choice, you will be asked for your permission to reload Traffit.
NOTE: while changing the system language you’re also changing the language of your Traffit interface and notifications. The language of particular fields, e.g., candidate profile or recruitment, in a form is defined by you.