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We are seeking a Creative Reviewer who is passionate about digital advertising! As a Creative Reviewer Intern, you will make sure that the creatives (ads) produced by our top-notch designers for our global customers are suitable, correct, and ready to go.

The Celtra Studio internship brings together talent from all backgrounds in the hearts of our offices across London, New York, Singapore, and Ljubljana. At Celtra, you will experience working in one of the fastest-growing companies in mobile advertising. As a part of the Studio team, you’ll have access to peers from all parts of the world with a range of backgrounds such as in Project Management, Design, and Software Development.


  • Collaboration with Celtra Studio Managers, Designers, and other reviewers.

  • Understand the client's brief, our creative output, and what we are trying to reproduce in multiple languages, creative variants, etc.

  • Check all creative variants against the brief and instructions given.

  • Give a clear report to the designers on what needs to be adjusted.

  • Execute tasks with precision and in a timely matter, respecting the timelines.

  • A plus if you can actively contribute to process improvement.


  • Undergraduate or postgraduate studies background from FDV, NTF, or Faculty of Design is preferred.

  • Precise and very attentive to detail.

  • Responsible and accountable for assigned tasks, showcased with efficient work ethics.

  • Good verbal and written English communication skills. Knowledge of other languages is a plus.

  • Skilled in Microsoft Office software.

Internship schedule

  • Minimum of 3 months.

  • The internship requires at least 20 hours per week.

  • Celtra is a remote-first company; however, our Ljubljana office is open.

What do we offer?

  • Hourly rate for the student work at 8 EUR/h gross.

  • A mentor and well-established onboarding plan will give you all of the support needed throughout your internship. Learning and gaining experience are guaranteed!

  • Amazing coworkers from whom you'll gain valuable insights and knowledge.

  • Unlimited remote work. You can choose to work from home indefinitely or join us in our truly pleasant Ljubljana office whenever you feel or like it.

  • Flexible hours and work-life balance. We focus on results rather than schedules.

  • All the needed equipment to perform your tasks.

  • We have fun and organize regular team and company events.

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