Data Scientist - LLM (all genders)

Job Description:

Join us and build the next generation of travel AI. Power a Chat Assistant used by millions, evolving into an agentic system that goes beyond FAQs to deliver end-to-end solutions. Help create the most intelligent and seamless travel experience in the industry.

Tasks

Craft and fine-tune advanced LLM prompts to drive high-performance conversational experiences in the Chat Assistant
Use a data-driven approach to identify limitations in current conversational models and generate effective solutions for challenges such as user engagement, contextual understanding

Design reusable frameworks
Collaborate closely with engineering teams to align GenAI strategies with backend enhancements, contributing to architectural optimization
Prototype, deploy and maintain new LLM/agentic AI based strategies
Continuously evolve the LHG Chat Assistant architecture with a focus on deepening the assistant’s natural language understanding and response relevance, integrating agentic AI principles to enable more adaptive, goal-oriented interactions in our redesigned system
Build LLM-backed transactional flows
Transition towards agentic AI, orchestrate hybrid solution with AI + deterministic logic
Implement and maintain function calling to backend systems or APIs
Automated testing for all components of AI solutions (prompt, flows, function calls, etc.)

Video: https://player.vimeo.com/video/354946614

Welcome on board

Lufthansa Systems is acclaimed and widely recognized provider of superior services and IT solutions for the aeronautical, logistic and financial industries. As a part of the Lufthansa Group we implement technological solutions and dedicated services.

Requirements

At least 3 years of commercial experience in Data Science or Machine Learning
Expertise in designing, testing, and optimizing solutions for large language models (e.g., ChatGPT, GPT-4)
Proficiency in Python and at least one AI/data- platform (e.g. CognigyAI, databricks)

Hands-on expertise with AI/NLP platforms and performance evaluation (A/B testing, error analysis)
Solid grasp of current AI/ML research, with a focus on best practices for GenAI and emerging agentic AI concepts
Strong collaborator in agile, cross-functional teams, with excellent technical communication
Awareness of ethical AI practices, including bias mitigation and data privacy
A systematic approach to identifying issues in existing setup and constructing targeted solutions, including the ability to troubleshoot and optimize model behavior under different conversational scenarios
Very good command of English
Experience with Scrum teams
Willingness to upskill on your own initiative and deriving further insights from data
Willingness to come to our office in Gdańsk two days a week

Company

About Lufthansa Systems Poland Sp. z o.o.

Lufthansa Systems is a leading airline IT provider. Based on long-term project experience, a deep understanding of complex business processes and strong technological know-how, the company provides consulting and IT services for the global aviation industry. Over 300 airlines worldwide rely on the know-how of IT specialists at Lufthansa Systems. Its portfolio covers innovative IT products and services which provide added value for its customers in terms of enhanced efficiency, reduced costs or increased profits. Headquartered in Raunheim near Frankfurt/Main, Germany, Lufthansa Systems has offices in 16 other countries.

Job Ident #: 132623

Company Details

Lufthansa

Wadowicka 3B
Krakow, Malopolskie Poland, International 30-347 International
www.lufthansa.com/us/en/homepage

Lufthansa Global Business Service

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Job Info

Location

Gdansk, Pomorskie, Poland

Type

Permanent

Company Details

Lufthansa

Wadowicka 3B
Krakow, Malopolskie Poland, International 30-347 International
www.lufthansa.com/us/en/homepage

Lufthansa Global Business Service