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Business Development Intern (Polish-speaking)

Internship in Rotterdam, the Netherlands

Degree level


Job function


Required languages

English (Good)
Polish (Fluent)

Work experience

0 to 4 years



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You're a Polish-speaking book-lover looking to do an internship that involves a hands-on challenge with real responsibility—not just fetching coffee and taking notes at meetings. You think you'll thrive in a young, diverse, and international environment working on developing innovative approaches to tackle growth and communication challenges. In other words, you're our next business development intern!

About the Company:

Mybestseller is one of Europe's leading self-publishing companies. Based in central Rotterdam, we strive to reinvent the way people read, write, and publish stories. Currently, we're partnering with one of the world's biggest publishers for a project in Poland, and as such, we're looking for someone who's eager to gain practical experience with strategic account management and growth hacking. As such, your tasks would include:

  • Helping to develop and implement communication and growth strategies for the Polish market
  • Strategic account management for our publishing partner
  • Helping us develop future action plans based on your experiences
  • All-round communication and content creation as the need arises

What we're offering:

  • Internship compensation (€500/month)
  • A great deal of independence and responsibility
  • Working with a young, laid-back team
  • A chance to apply and develop your professional skill set
  • Hands-on experience in a SaaS start-up


  • Excellent writing and communication skills
  • Basic knowledge of digital marketing concepts would be nice (but we'll teach you everything you need to know)
  • Fluency in Polish.

Our ideal candidate:

  • Is analytical, innovative, and solution-oriented
  • Is a team player who isn't shy about taking initiatives
  • Is eager to take on responsibility as part of a small but dedicated team

If a creative, flexible internship environment that encourages you to take concrete action sounds like a place you want to be in, send us your motivational letter and CV!

Logo Mybestseller
About Mybestseller
to company page

As a small scale-up with big ambitions, the Mybestseller office is a dynamic, hands-on environment. Located a stone's throw from Rotterdam central station, we're right in the heart of the Netherlands' bustling second city.
Our team is a small, tightly-knit, and international group of people. We're keen on intense brainstorming and ideation sessions, bold ideas, and new perspectives.

Active in 6 countries
8 employees
60% men - 40% women
Average age is 30 years

What employees are saying


Marketing Manager


It's a very relaxed work environment with a lot of structural and creative freedom. I'd recommend it to people who can set their own goals and work independently.


Marketing Intern


When asked what it's like working at MBS:
"It's good. And when a German says something is good, it's like the highest compliment you can get."