AI Marketing Intern
About Crystalloids
At Crystalloids, we’ve been helping businesses grow and innovate since 2006. Our team of passionate software and data specialists is dedicated to building smart, data-driven solutions that make a real difference. As a Premier Google Cloud Partner, we use the latest technology to help our customers solve challenges and unlock new opportunities.
We believe that the foundation for a successful solution is based on three dimensions: the people, the processes and the technology. By keeping these in balance, we create solutions that are not just effective but built to last.
Key Responsibilities
- Use AI tools to brainstorm, draft, and refine content while ensuring everything remains authentic to our brand voice.
- Craft high-impact content for social media LinkedIn that drives engagement.
- Draft engaging blog posts and articles that provide genuine value to our specific B2B personas.
- Design and assemble monthly newsletters
- Assist in the end-to-end execution of marketing campaigns designed to generate demand and grow our audience.
- Monitor performance metrics, report on campaign success, and analyze data to optimize our future strategy.
Requirements
- Currently enrolled in a university where this internship is a mandatory part of your degree.
- To be eligible, you must meet one of the following:
- Reside in the EU/EEA or Switzerland.
- Hold a valid residence permit allowing you to work in the Netherlands.
- Be part of the Erasmus program.
- Hold a Dutch study visa with a signed internship agreement between the educational institution, employer, and yourself.
- You are available for 60–100% of the work week.
- Strong communication skills in English
- A passion for content creation and the ability to learn fast and navigate a niche B2B space.
- Proactive Mindset, you don’t wait for instructions, you spot opportunities and take initiative.
- Great social skills and a positive energy; you enjoy collaborating and being around a team.
What We Offer
- A monthly internship allowance/expense reimbursement of €350,- net per month.
- A laptop to ensure you can hit the ground running.
- Dedicated vacation days for interns, depending on the duration of the stage.
- Close collaboration with our Marketing Manager for high-value, hands-on experience.
- Be part of an international team at our vibrant Rotterdam office.
- Monthly lunches, quarterly team-buildings, and a social atmosphere stocked with snacks and drinks.
Interested?
Ready to build the future of our brand? Apply below or send your CV directly to recruitment@crystalloids.com.
Kacper, software development trainee
“I chose Crystalloids to learn more about Cloud Engineering. During my traineeship, I had a chance to work on multiple projects ranging from writing an API to automating the whole hiring stream. I became proficient in many GCP services, Terraform, Apache Airflow and much more."



