Karla has a master's degree in film and TV production from the Sorbonne University in Paris. She is the founder of the Croatian production company Dobar Film. She has produced and directed three award-winning short films In the Name of Strawberry, Chocolate and the Holy Spirit (2018), Following... (2020), and Split Ends (2023). She is currently developing her first feature film Mirror of Nightingales, and two TV series: Dear Insects and Other Creepy Stories and Chasing the Clouds.