In 2024, Marte obtained her Master of Laws with distinction at the Catholic University of Leuven. She started her law studies at the KULAK campus in Kortrijk before continuing her education in Leuven. Moreover, in 2023 she studied for a semester at the law faculty of the Université de Montpellier as part of an Erasmus exchange. During her university studies, she specialised in social law. 

Marte then became a member of the Bar of West Flanders in September 2024 and joined the team of Claeys & Engels in Kortrijk in the same year. She is active in various branches of employment law.