Data Scientist – AI & Machine Learning (m/f/diverse)

Lufthansa Group; Kraków; Hybrid; PLN 180,000 - 360,000; Full time

Job summary

Lufthansa Group Business Services is seeking a data science professional from Junior to Senior level to blend data science with practical software engineering and AI technologies.

You will design ML models, work with LLMs, RAG and AI agents, and develop production-quality Python code while collaborating with business stakeholders across Lufthansa Group.

Qualifications

• 2+ years of experience for Junior/Data Scientist level or 5+ years for Senior level in applied data science or a related area.
• Solid knowledge of statistics, machine learning and model evaluation.
• Strong Python skills and an understanding of software engineering best practices.
• Experience with LLM-based solutions such as prompting, RAG or AI agents.
• Analytical mindset and ability to turn business problems into practical data-driven solutions.
• Strong communication and collaboration skills in an international environment.

Responsibilities

• Design, build and evaluate ML models and AI agent solutions for real business use cases.
• Work with LLMs, prompting, RAG and agent orchestration.
• Develop production-quality Python code using testing, Git and code review practices.
• Explore and work with data from SAP, Azure and Databricks.
• Use MLflow for experiment tracking and model lifecycle management.
• Work with technologies such as Azure AI Foundry and Airflow.
• Collaborate with platform engineers to bring AI solutions into production.
• Work directly with business stakeholders to understand problems, challenge assumptions and identify the right solution.

Skills

Python

Statistics

Machine Learning

Model Evaluation

LLMs & Prompting

Data Analysis

Software Engineering Basics

Communication & Collaboration

Tools

MLflow

Azure AI Foundry

Databricks

SAP Datasphere/BW

Airflow

Unity Catalog

Job description

Join the Data Analytics & AI team at Lufthansa Group Business Services (LGBS) and help us build AI-driven solutions that support real business processes across Lufthansa Group.

Tasks

We are looking for a Junior Data Scientist, Data Scientist or Senior Data Scientist who wants to combine data science with practical software engineering and work with modern AI technologies.

Responsibilities:

• Design, build and evaluate ML models and AI agent solutions for real business use cases
• Work with LLMs, prompting, RAG and agent orchestration
• Develop production-quality Python code using testing, Git and code review practices
• Explore and work with data from SAP, Azure and Databricks
• Use MLflow for experiment tracking and model lifecycle management
• Work with technologies such as Azure AI Foundry and Airflow
• Collaborate with platform engineers to bring AI solutions into production
• Work directly with business stakeholders to understand problems, challenge assumptions and identify the right solution

*Perform all other duties assigned or delegated by supervisors

Requirements

What we’re looking for:

• 2+ years of experience for Junior/Data Scientist level or 5+ years for Senior level in applied data science or a related area.
• Solid knowledge of statistics, machine learning and model evaluation.

• Strong Python skills and an understanding of software engineering best practices.
• Experience with LLM-based solutions such as prompting, RAG or AI agents.
• Analytical mindset and ability to turn business problems into practical data-driven solutions.
• Strong communication and collaboration skills in an international environment.

Nice to have:

Experience with Azure AI Foundry, Databricks, SAP Datasphere/BW, MLflow, Airflow, Copilot Studio, Unity Catalog or MLOps.

*CV/Resume required

*Must possess permit to work in Poland

The salary offer for this position will be presented after the interview stage, at the time of extending an employment offer, allowing sufficient time to review and discuss the proposed terms of employment and compensation.

About Lufthansa Group Business Services Sp. z o.o.

Lufthansa Group Business Services GmbH (LGBS) is a 100 per cent Lufthansa subsidiary. We offer shared services worldwide for the entire company in the areas of Finance, Business Intelligence & Transformation, Human Resources, Procurement and IT, which we provide or manage ourselves. It’s our goal to harmonize and standardize processes and to continuously make them more efficient and effective. We see ourselves as pioneers in digitization, as well as in the use and distribution of the latest technologies, for example in business process automation. As an internationally operating company, LGBS is represented at locations in Frankfurt, Hamburg, Krakow, Manila and Mexico City and manages BPO providers in Germany and abroad. With the global network of foreign representatives of the Lufthansa Group's field organization, we are also locally anchored and active worldwide.