Senior Data Scientist

Vattenfall is seeking a Senior Data Scientist to join their Data & Analytics team. As a Senior Data Scientist, you will develop end-to-end data science and AI solutions that contribute to Vattenfall's Business to Consumer ambitions, supporting both sustainable customer solutions and business value.

Your position As a Senior Data Scientist, you develop end-to-end data science and AI solutions that contribute to Vattenfall's Business to Consumer ambitions, supporting both sustainable customer solutions and business value. The Data & Analytics team develops data-driven solutions for marketing & sales, customer journeys, service and digitization, proposition development and sustainability advice to our customers. Solving complex business challenges using data, machine learning and emerging AI technologies is at the core of your work.

Responsibilities:

• Develop data science and AI solutions from problem framing and modelling through evaluation, deployment and continuous improvement.
• Solve complex business challenges using diverse internal and external datasets on our Analytics Platform.
• Build robust and explainable solutions that can be used in customer channels and internal systems.
• Apply sound software engineering practices, including modular design, testing, code reviews and reproducible development.
• Work with Data & ML Engineers on production readiness, monitoring and continuous improvement of AI and machine-learning solutions.
• Share your expertise and mentor less experienced Data Science colleagues.

Qualifications:

• An academic degree with a strong quantitative component, such as Mathematics, Physics, Econometrics or a comparable field.
• Extensive professional experience as a Data Scientist or in a comparable role, giving you the seniority to take technical ownership and guide others.
• Excellent verbal and written communication skills in English; Dutch is a plus.
• Experience working in an agile environment.

Technical experience:

• Writing production-quality Python and applying modular software-design principles.
• Extensive knowledge of machine-learning techniques, probability and statistics, and the ability to apply them to real-world problems.
• Working with large and complex datasets and understanding distributed computing and query optimisation.
• Hands-on experience with Generative AI, including LLM APIs, prompting, structured outputs and agent or tool-based workflows.
• The ability to assess AI solutions critically in terms of suitability, quality, safety and business value rather than selecting a technology for its own sake.
• Experience with software-development and DevOps practices such as Git, CI/CD, code reviews and automated testing.
• Practical knowledge of MLOps and/or LLMOps, including reproducibility, versioning and monitoring of production AI and machine-learning solutions.

Our offer The salary for this position ranges from €5,700 to €7,100 gross per month, excluding holiday allowance, based on 38 hours per week. In addition to your salary, we offer:

• 8% holiday allowance, a 4.5% end-of-year payment and profit sharing of up to 3.5% of your annual salary based on the results of Vattenfall Netherlands (RDR).
• An NS Business Card for commuting or a travel allowance of €0.23 per kilometer, up to 50 kilometers one way, plus a home-working allowance of €3.05.
• 20 statutory vacation days and 5 additional vacation days as part of My Budget My Choice.
• 2 additional non-statutory days as compensation for overtime from scale 9, as part of My Budget My Choice.
• 3.5 vitality days and 13 ADV days when working a 40-hour week on a 38-hour contract.
• My Budget My Choice, allowing you to buy or sell additional vacation days, purchase a bicycle or have the budget paid out monthly.
• An ABP pension, with Vattenfall contributing 70% and you contributing 30%.
• A collective health-insurance discount with Zilveren Kruis Achmea.
• 4 hours of leave to perform volunteer work through the Vattenfall Foundation.
• An education budget for your personal development.