
Working Student – Medical Data Mapping (f/m/d)
- Hybrid
- Berlin, Berlin, Germany
- BI
Job description
We are looking for a structured and analytical Working Student to support our medical and product teams in mapping and structuring medical questions and answers into meaningful medical outputs. The role sits at the intersection of data, medical content, and analytics and requires close collaboration with our medical experts.
Your tasks would be...
analyzing and categorizing medical questions and answers into structured medical outputs
correlating user inputs with appropriate medical categories or meanings
maintaining and updating mappings using databases and tables
writing and executing SQL queries for data extraction and analysis
supporting data processing and automation (e.g., via Python scripts, if applicable)
collaborating closely with medical experts to validate logic and assumptions
ensuring high data quality through structured and well-documented work
using AI tools efficiently while ensuring correctness and traceability
Job requirements
You will fit well, when…
have a good understanding of written German
enjoy working analytically and identifying patterns in large datasets
have solid SQL skills and experience with databases
work in a structured, organized, and detail-oriented manner
are interested in healthcare, medical content, or data-driven challenges
study or have a background in data science, health sciences, or a related field (a plus, not a must)
Important: Official correspondence regarding job applications will always come from an @wellsterhealth.com email address.
- Berlin, Berlin, Germany
or
All done!
Your application has been successfully submitted!
Your Benefits
Wellster works hard to bring many benefits to its employees, ranging from fitness, coaching, discounts and so much more.

Centrally located offices

Childare allowance & Kita search support

Working with professional and fun team

Learning & development allowance

Fitness & Wellster bike club

Public transport allowance




Hear what your future colleague has to say about working at Wellster and the role. Also, feel free to refer to the FAQ for questions.
What is the typical hiring process?
After your CV submission, our HR team will get in touch with you. The first call is to get to know the company and the position better; of course, you will get a chance to introduce your ambitious self then. After comes a call with your future Teamlead, which is followed by a case study. The last step is to meet the team and visit one of our locations. Usually. We will always inform you about the next steps during the interviews.
How long is the hiring process?
It will take us a week to get back to you after your CV submission. If everything goes smoothly, the interview processes can be finished in roughly 4-6 weeks.
What is it like to work at Wellster?
Tough question. We’ve asked some colleagues to describe their experience with songs. Some of the answers were: Rolling in the Deep, Oh Happy Day, Show must go on and Eye of the Tiger. What does it mean? We don’t know, we just know that people love it here :)
What language do people speak at Wellster?
Official language of our company is English. We operate so far only on the German Market. So some people/departements must speak German. All the other language are super welcome to join the most "prevailing language" contest :)
What if I want to see more?
You are welcome to join our Linkedin page to check out News and Announcements.
What if I have more questions?
You can text me at career@wellsterhealth.com
Working at Wellster is a joy because of the incredible team. Their passion and teamwork turn every challenge into a fun and rewarding opportunity to grow together.
Elizaveta Porseva Sr. People Manager

