Senior Data Scientist (m/f/d)

Posted 11 Days Ago
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Cologne, Nordrhein-Westfalen, DEU
In-Office
Senior level
Healthtech • Retail • Pharmaceutical
The Role
The Senior Data Scientist will build end-to-end data science solutions, collaborate across teams, and communicate results to stakeholders, impacting business decisions.
Summary Generated by Built In
Company Description

About Redcare Pharmacy:
As Europe's leading online pharmacy, Redcare Pharmacy is driven by our dedicated teams and the latest innovations. We strive to create a pleasant and collaborative working environment in which every employee feels comfortable and is happy to contribute to our vision: "Until every human has their health". If you are looking for a meaningful career that matches your values, join our team and start your #Redcareer today.

 

About the role

As a Senior Data Scientist, you will play a key role in building production-grade data science and machine learning solutions that directly influence critical business decisions and customer experiences.

You will work on one of our high-impact products, partnering closely with product, engineering, and business teams. Rather than focusing on isolated analyses, you will be involved in products end to end — from problem framing and data quality to modeling, deployment, and ongoing monitoring in production.

This role is designed for a strong generalist who enjoys working across domains, applying solid statistical and machine-learning foundations to real-world problems, and turning ideas into reliable systems.

Job Description

About your tasks

  • Work in a product with colleagues from our Data & AI department and collaborate closely with product managers, engineers, and domain experts to translate business problems into data-driven solutions.
  • Design, build, and operate end-to-end data science and machine learning solutions, from initial problem definition to production and iteration.
  • Work hands-on with complex, real-world datasets, addressing challenges such as data quality, missing data, bias, and changing data distributions.
  • Develop, evaluate, and improve statistical and machine-learning models, making well-reasoned trade-offs between model complexity, performance, scalability, and maintainability.
  • Design and analyze A/B tests and experiments, including hypothesis definition, metric selection, statistical evaluation, and interpretation of results.
  • Define and implement robust evaluation frameworks, including appropriate baselines, metrics, and validation strategies.
  • Support bringing models into production using our cloud-based stack and ensuring they are reliable, monitorable, and maintainable over time.
  • Communicate results, assumptions, and uncertainty clearly, enabling informed decision-making rather than black-box outputs.
  • Support the team by sharing knowledge, setting best practices, and acting as a technical sparring partner for other data scientists.

Qualifications

About you

  • You have several years of hands-on experience as a Data Scientist, working on machine learning or advanced analytical problems in production.
  • You have a strong foundation in statistics and machine learning and can apply it pragmatically to real-world problems.
  • You understand how to combine offline model evaluation with online experimentation to assess real-world impact.
  • You enjoy working close to the business and can explain complex topics clearly to non-technical stakeholders.
  • You take ownership, work proactively, and are comfortable navigating ambiguity.
  • You are curious and eager to learn, but also careful and conscientious in how you work.
  • You value collaboration, give and receive feedback openly, and enjoy helping others grow.

Additional Information

About your benefits:

In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:

  • Sports: Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.
  • Mental Health: Get quick and professional help from psychologists of Likeminded if you feel overwhelmed in private or professional life. Anonymous and free of charge. 
  • Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.
  • Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.
  • Personal development: Grow! We support and encourage your individual development through various in- and external trainings.
  • And many more :)

Top Skills

A/B Testing
Cloud-Based Solutions
Data Science
Machine Learning
Python
Statistics
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The Company
743 Employees
Year Founded: 2001

What We Do

As Redcare Pharmacy - formerly known as Shop Apotheke Europe - we put care at the heart of everything we do, guiding people through their health to help turn bad days into better ones. We are Europe’s people-first pharmacy. Start your #Redcareer now! Let's grow together. We are an international company that is currently active in seven countries in Europe and is growing rapidly. Our headquarters as well as on of our distribution centre are located in Sevenum in the Netherlands near the German border. Our other distribution centre is in Milan, Italy. In total, we have locations in Cologne, Berlin, Munich, Tongeren, Warsaw, Milan, Lille and Eindhoven. We are always looking for new colleagues - people who not only get involved in our international team, but who want to actively take on responsibility and who want to grow together with us as a strong partner

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