Domek Group operates in the Netherlands, Belgium and Germany. We make financial services accessible, understandable and simple for non natives, helping empower, protect and grow individuals, their families and their businesses.
We combine technology, data and personal service to simplify complex financial products such as mortgage, car lease and insurance. We operate with a structured, data driven growth model where marketing, CRM and sales are tightly integrated. From the first interaction to long term customer relationships, every step is measurable and continuously optimised.
Now we are building a more advanced AI enabled growth engine across multiple European markets. This is not a traditional data internship. You will work at the intersection of data, AI and performance marketing.

You will:
- Analyse full funnel performance across the Netherlands, Belgium and Germany
- Evaluate conversion rates per country, channel and product
- Build AI driven lead scoring models
- Develop AI powered funnel optimisation workflows
- Improve CRM automations based on behavioural data
- Use AI to accelerate A B testing and experimentation
- Identify conversion bottlenecks and propose scalable solutions
- Structure CRM data for smarter targeting
- Support predictive modelling initiatives
You will directly influence growth and commercial performance across multiple markets.
Who we are looking for:
- You are studying Data Science, Business Analytics, Econometrics, AI, Marketing or a related field
- You think in funnels and conversion
- You understand how data creates commercial impact
- You are analytical and pragmatic
- You actively experiment with AI tools
- You are fluent in English
Nice to have:
- Experience with CRM systems
- Knowledge of marketing automation
- Python, SQL or BI tools
- Prompt engineering experience
What we offer:
- Real ownership and responsibility
- Access to international performance datasets
- Direct collaboration with marketing and sales
- Internship compensation
- Opportunity to connect your thesis to a real growth challenge
- Potential to continue working with us after your internship
If you are interested, please send your CV in Dutch or English to vacature@polisa.nl, or fill in the form below. We review every application and will contact selected candidates by phone.