[1] During her studies, Meier was approached by a model scout in a shopping center in Regensburg who invited her to the casting of the TV show Germany's Next Topmodel.

Even before the end of the show, one of these minor competitions had her win a leading role alongside Heidi Klum in a nationwide TV commercial for McDonald's.

Meier was featured in editorials of many international magazines such as Vogue Taiwan, Grazia, InStyle, Elle, Madame Figaro, L'Officiel, etc.

She was the face of many advertising campaigns for the brands Pantene, C&A, Disneyland Resort Paris, Yogurette, Müller Milk and McDonald's and also internationally for Maybelline, Fabi, Borsalino, Save the Queen, Colin's Jeans, C'est comme Ca, Charactere, Miss Poem and many more.

[6] In summer of 2011, Meier completed a basic education at the New York Film Academy and since then she has taken private acting lessons with various coaches in Germany and the United States.

In August 2017, Meier shot her first movie, The Aspern Papers, a period drama directed by Julien Landais and based on Henry James's novel.

[12] Since 2017, Barbara Meier has been the ambassador for the Federal Ministry for Economic Cooperation and Development for fair and environmentally friendly fashion.