Data Scientist (all genders) at Eurowings Digital GmbH

Cologne, North Rhine-Westphalia, Germany -

Full Time

Start Date

Immediate

Expiry Date

06 Sep, 26

Salary

0.0

Posted On

08 Jun, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Python, SQL, Machine Learning, AI, Data Engineering, Data Cleaning, Feature Engineering, MLOps, Databricks, Power BI, Tableau, Kubernetes, Docker, APIs, A/B Testing, Git

Industry

Information Technology & Services

Description

Job overview As a Data Scientist (all genders) you are a key member of the Data Science team, responsible for creating developing data-driven products/solutions and building Machine learning/AI algorithms to improve sales, generate efficiencies and optimize existing processes across Eurowings commercial disciplines. What you will do Design, develop, and deploy machine learning and AI solutions that solve commercial problems across pricing, demand, and revenue optimization Own model quality end-to-end — monitor performance, improve accuracy, ensure explainability, and quantify business impact throughout the model lifecycle Collaborate with Business Analysts, Data Engineers, Revenue Management, and Subject Matter Experts to deliver production-grade data products Identify opportunities where emerging techniques (GenAI, advanced forecasting, optimization) can create measurable business value — and build them Our Tech Stack: PySpark, Python, Databricks, Azure Cloud, MLflow Job Title Data Scientist Job Subtitle Job Introduction What you will need University degree (preferably Master's) in Economics, Computer Science, or a STEM-related field 4–5 years of professional experience as a Data Scientist or ML Engineer Solid understanding of Python, SQL (complex joins, window functions), and core data science libraries (Pandas, Scikit-learn, Matplotlib, XGBoost) Proficiency with Databricks or similar lakehouse/notebook platforms Familiarity with BI tools such as Power BI or Tableau Ability to select and justify modeling approaches based on data characteristics, business constraints, and interpretability requirements Understanding of model performance trade-offs (e.g., precision vs. recall) and hyperparameter tuning Experience with feature engineering, data cleaning, and managing data leakage and overfitting Experience with constrained optimization models Experience building RAG pipelines or integrating LLMs into production workflows (prompt engineering, evaluation, orchestration) At least 2–3 years of experience with MLOps practices and experiment tracking (e.g., MLflow) Experience working with at least one cloud platform (AWS, GCP, or Azure) Strong ability to communicate complex findings to non-technical stakeholders Strong analytical thinking with a commercial mindset — able to start from a blank canvas and create measurable value What you will bring Curiosity to dig into unfamiliar business domains and ask "why" before jumping to modeling A bias toward pragmatic solutions — shipping an 80% model fast over perfecting one in isolation Comfort navigating ambiguity — translating vague business problems into structured analytical approaches Ownership of data quality — you question the data before trusting the output Ability to manage competing stakeholder priorities and align on what's worth solving Self-direction — you don't wait for a ticket to identify and pursue high-impact work Willingness to challenge assumptions, including your own Bonus Points: Working knowledge of Kubernetes and Docker Experience with APIs (web services) Familiarity with stream processing frameworks (e.g., Kafka) Experience designing and analyzing A/B tests Knowledge of version control (Git) Experience building end to end AI applications Eurowings Digital Benefits Inclusivity all genders Workplace type Hybrid Apply now! Please submit the latest version of your resume in English. About us We are dreamers, doers, and enthusiasts! Our mission is to enable our customers on leisure and/or business travel to enjoy a seamless travel booking experience from the tip of their fingers. Therefore, we are continuously working passionately on providing diverse and attractive offers on our online booking platforms Eurowings & Eurowings Holidays and mobile Apps to empower our customers with relevant information and smart digital services throughout their travel experience.

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Responsibilities

As a Data Scientist, you will design, develop, and deploy machine learning and AI solutions to solve commercial problems. You will collaborate with various teams to deliver production-grade data products and monitor model performance throughout the lifecycle.