Senior Data Scientist

TUI; Rijswijk; Hybrid; EUR 85,000 - 125,000; Full time

Benefits offered by this job

Discretionary bonus

Travel benefits

Health & wellbeing support

Hybrid work environment

Learning Hub access

TUI Care Foundation

Job summary

TUI is seeking a Senior Data Scientist to join the Customer Data Science & AI team in a hybrid, full-time role. You will develop machine learning models and AI solutions to solve complex business challenges and deliver measurable value across TUI.

You will translate business needs into technical solutions, collaborate with analytics, technology, engineering and business teams, and help deploy scalable, production-ready models while mentoring colleagues and advancing our data science capabilities.

Qualifications

• Degree in a quantitative field (data science, statistics, mathematics, CS or economics).
• Minimum 3+ years applying data science and ML to real-world problems.
• Strong knowledge of ML algorithms and statistical methods.
• Advanced Python programming and modern DS libraries/tools.
• Experience with end-to-end DS lifecycle from discovery to production deployment.
• Experience with predictive modelling, recommender systems, personalization or similar.
• Strong communication for technical and non-technical audiences.
• Nice to have: AWS, Snowflake, MLOps, GenAI/LLMs, RAG, travel/e-commerce domain experience.

Responsibilities

• Develop advanced ML models and AI solutions delivering measurable business value.
• Translate business needs to technical solutions across the full DS lifecycle.
• Partner with analytics, technology, engineering and business teams to turn data into insights.
• Collaborate with engineering to deploy models in production and support scalable AI solutions.
• Explore emerging technologies, evaluate tools, and contribute new ideas.
• Mentor colleagues and help build reusable frameworks and best practices.

Skills

Python

SQL

Machine Learning

End-to-end DS lifecycle

Statistics

Communication

A/B testing

Cloud (AWS)

Education

Bachelor's or Master's in Data Science/Statistics/Mathematics/CS/Economics

Tools

Pandas

NumPy

Scikit-learn

SQL Tools

TensorFlow/PyTorch

Job description

Join our Customer Data Science & AI team and help shape the future of personalization, recommendations, and customer analytics at TUI. Reporting to the Lead Data Scientist, you'll play a key role in turning complex business challenges into scalable, data-driven solutions that improve customer and business outcomes.

• Senior Data Scientist
• Luton, Groot-Brittannië
• Rijswijk, Nederland
• Hybride
• Vaste functie
• Voltijd
• As per local market conditions

The role will be published until 5th November 2026.

ABOUT OUR OFFER

• Personal benefits: Attractive remuneration, discretionary bonus schemes, generous travel benefits, extensive health & well-being support, and more.
• Flexible working: Work is something you do, not somewhere you go. We encourage a healthy work-life balance with a dynamic working environment.
• A career to shape: Access the TUI Learning Hub to level-up and reach your ambitions.
• Broaden your network: We champion intercultural collaboration and provide opportunities to work on global projects and teams
• Community: Get involved with incredible local charity and sustainability initiatives like the TUI Care Foundation.

ABOUT THE JOB

• You'll develop advanced machine learning models and AI solutions that solve complex business challenges and deliver measurable value across TUI.
• Working across the full data science lifecycle, you'll translate business needs into technical solutions, from exploration and feature engineering through to deployment, monitoring and optimisation.
• You'll partner with stakeholders across analytics, technology, engineering and business teams to turn data into actionable insights and recommendations.
• By collaborating closely with engineering teams, you'll help integrate models into production environments and support scalable, reliable AI solutions.
• You'll explore emerging technologies, evaluate new tools and methodologies, and contribute innovative ideas that strengthen our data science capabilities.
• Beyond delivering impactful solutions, you'll mentor colleagues, share knowledge across the team and help build reusable frameworks, components and best practices.

ABOUT YOU

• Bachelor's or Master's degree in Data Science, Statistics, Mathematics, Computer Science, Economics, or a related quantitative field.
• Minimum 3+ years of experience applying data science and machine learning to real-world business problems.
• Strong expertise in machine learning algorithms, statistical methods and analytical problem-solving enables you to tackle complex challenges with confidence.
• You'll bring advanced Python programming skills and experience working with modern data science libraries and tools, Strong Python and SQL skills.
• Experience across the end-to-end data science lifecycle means you're comfortable moving from discovery and experimentation to production deployment.
• Experience with predictive modelling, recommendation systems, personalization, customer analytics, or similar use cases. Understanding of experimentation and A/B testing.
• You're able to communicate complex technical concepts clearly and adapt your approach for both technical and non-technical audiences. Strong communication and stakeholder management skills.
• Experience on these would be an advantage: cloud platforms (AWS), Snowflake, or MLOps, GenAI, LLMs, RAG, or related AI technologies and travel, e-commerce, retail, CRM, or loyalty domains.