Intern Data Science (all genders)

Munich · Internship · Data Science · ML & AWS

We are looking for a motivated Data Science Intern to join our Business Intelligence team and work on real machine learning projects with direct business impact. You'll be embedded in a cross-functional team alongside experienced data scientists, contributing to topics like rankings, recommendations, forecasting, and user segmentation across our vacation rental platform.

Duration: 6 months

Location: Munich (on-site 2–3 days/week).

This role requires relocation to Munich for the full duration — and ideally beyond.

Holidu is one of the world’s fastest-growing vacation rental technology companies. Our mission is to make booking and hosting holiday homes free of doubt and full of joy, by helping hosts generate more bookings with less work and helping guests find a holiday home they truly enjoy. Our team of 700 colleagues from 60+ nations shares a passion for tech, an ambition for constant improvement, and a relentless drive to bring the best experience to more than 40k vacation rental hosts and 4 million annual guests.

Your future team

You will be part of the Business Intelligence department, which consists of the Data Science, Data Analytics, and Data Engineering teams. The Data Science team, composed of passionate data scientists, is responsible for all topics related to data science and machine learning.

In this internship, you will be embedded in one of our cross-functional teams and work directly alongside experienced data scientists on Data Science projects to generate business impact. You will be exposed to various topics such as rankings, recommendations, user segmentation, user lifetime value, business forecasts, and more.

Duration: 6 months.

Location: Munich, 2-3 office days per week.

Our Tech Stack

• Flexible data science environment (Python, Sagemaker).
• Database: AWS Stack (Redshift, Athena, Glue, S3).
• Data Pipelines: Airflow, DBT.
• Data Visualization: Looker.
• Data Analytics: SQL, Python.
• Collaboration: Git.

Your role in this journey

In this internship, you will take an active part in projects that have direct impact on business outcomes such as guest conversion, host revenue, and marketing efficiency. You will be supported and mentored by experienced data scientists, and have the opportunity to learn from a diverse team across Data Science, Analytics, and Engineering.

You will:

• Support the development of machine learning models (e.g. forecasting, churn prediction, recommendation systems, segmentation) using Python and SQL.
• Explore, clean, and transform large datasets within our AWS environment (Redshift, Athena, S3)
• Conduct exploratory data analysis (EDA) to uncover patterns and generate hypotheses.
• Help evaluate model performance and interpret results in a business context.
• Collaborate closely with teams such as Product, Marketing, and Revenue Management to understand their challenges and translate them into data science use cases.
• Participate in team rituals, knowledge sharing sessions, and contribute your own ideas and perspectives to the team's ways of working and best practices.
• Use AI tools to automate repetitive tasks and improve your workflow efficiency.

Your backpack is filled with

• Currently enrolled or recently graduated from a Master’s program in a quantitative field (e.g. Data Science, Computer Science, Mathematics, Statistics or similar).
• Strong academic record — we will ask for your transcript of records as part of the application.
• Solid understanding of Python and SQL and experience with cloud environments (AWS preferred) is a plus.
• Foundational knowledge of statistics and machine learning concepts (e.g. regression, classification, evaluation metrics).
• Previous internship or working student experience with hands-on projects involving real data is a strong positive signal.
• Strong analytical and problem-solving skills, with attention to detail.
• A proactive mindset and eagerness to learn in a fast-paced environment.

Our adventure includes

• Compensation: Get a fair salary.
• Impact: Make a difference for hundreds of thousands of monthly users.
• Growth: Take responsibility from day one and develop through regular feedback.
• Community: Engage with international, diverse, yet like-minded colleagues through regular events and 2 office days per week with your team.
• Flexibility: Benefit from our hybrid work policy and the chance to work from other local offices for up to 8 weeks a year.
• Fitness: Get a corporate Urban Sports Club subscription or a premium gym membership at a discounted rate.

Need a sneak peek?

• Check out the adventure that awaits you on Instagram @lifeatholidu.
• See also what Life as an intern looks like at Holidu.

Want to travel with us?

Apply online on our career page! Your first travel contact will be Lucia from HR.

In addition to your CV, please also upload your recent transcript of records from your university.

We are committed to diversity in all aspects of our business. We encourage applications from all genders, all corners of the world and all individual backgrounds. You are welcome to submit your application without a photo and without stating your gender, date of birth, marital status, nationality or disability status (if applicable).

If you require any special assistance when arranging interviews, office visits or the recruitment process in general, please contact the relevant HR person responsible for this job and we will do our best to accommodate your needs.

Location

Munich, Germany