Intern Digital Marketing


Men’s brand Castart (2018) & female counterpart Our Sister (2021) are two emerging Belgian brands with their office in the city center of Antwerp. Both brands are born with the idea of creating garments with heartfelt textures and vibrant colors that are well-balanced.
Castart & Our Sister share similar values but so as within a family also have their own ideologies to further grow internationally in the upcoming years.
To further grow our wholesale & online client base we are looking for a digital marketing intern to join our team.

Duties and responsibilities

  • Assisting and supporting the Marketing and Communications team
  • Instagram community management
  • Contributing to the performance of the website
  • Keeping our online stores up to date with new collections & highlights
  • Updating our SEO & SEA and analyzing the performance
  • Deliver email marketing campaigns, by creating, localizing, implementing, and testing the campaigns
  • Analyze data to provide support for sales and marketing efforts, presenting useful insight on the effectiveness of marketing campaigns
  • Collaborate with external agencies and internal creative team to execute the campaigns


  • Background in marketing or communication studies with experience in digital
  • Curiosity & interest on current trends and developments within the email marketing field
  • A teamplayer who can also work independently
  • A willingness to grow, learn and do the extra-mile
  • Experienced with InDesign or photoshop is a plus
  • Affinity with fashion


  • Be part of a rapidly emerging company
  • International and challenging working culture
  • Free new favorite seasonal outfit
  • A cosy and creative workspace in the heart of Antwerp
  • Young and ambitious team


Interested? Send your CV & motivation letter to