Conversational Data Scientist

Overview

Would you like to build the future of digital customer interaction at Nationale Nederlanden? For an Empowered Product Team (EPT) within a strategic transformation program, we are looking for an experienced Conversational Data Scientist who will develop and optimize AI-driven conversational flows on our new platform (SanneGPT) to help customers within two minutes.

• Develop and optimize dynamic conversational flows based on LLMs (Large Language Models).
• Design and implement intelligent prompts, embeddings, and retrieval mechanisms (RAG).
• Integrate conversational solutions with backend systems via APIs and CMP servers.
• Analyze chat data, user interactions, and AI output to continuously improve models and conversations.
• Develop data models and experiments (A/B testing) to increase conversational performance.
• Improve and train models based on metrics such as answer quality, conversion rate, and customer satisfaction.
• Validate and fine-tune AI models for accuracy, bias, and reliability.
• Collaborate with UX, Research, Conversational Experts, Developers, and BI Analysts to realize a continuous improvement loop.

• Salary between €5,339 and €7,119 based on 36 hours per week, depending on knowledge and experience.
• 13th month and holiday allowance paid with monthly salary.
• 27 vacation days for a 5-day working week and three Diversity Days.
• A modern pension administered by BeFrank.
• Plenty of training and learning opportunities; NS Business Card 2nd class with unlimited travel (also privately).
• Allowance for setting up home office and for internet use.

• You are a curious and analytical data scientist with a strong interest in conversational AI and customer interaction.
• A WO or HBO degree in Data Science, AI, Computer Science, or similar.
• Experience with LLMs, RAG, NLP, and generative AI applications.
• Experience with Python and frameworks such as Lang Chain, Llama Index, or similar.
• Knowledge of API integrations, microservices, CMP servers, and event-driven architectures.
• Experience with data analysis, experiments (A/B testing), and model optimization.
• Affinity with conversational design and chatbot development.
• Knowledge of cloud platforms (Azure, AWS) and model deployment.
• Strong analytical skills and a data-driven mindset.
• A proactive attitude and the ability to work in an agile EPT.
• Fluency in Dutch and English.

You will work in a multidisciplinary Empowered Product Team (EPT) within a newly established strategic transformation program together with Conversational Experts, AI Developers, UX Designers, Customer Researchers, and Business Analysts. You will collaborate with the SanneGPT team to develop and scale best practices, models, and frameworks within NN on our new conversational platform. You will also be part of a Data & AI Guild to share knowledge and develop alongside other data and AI professionals within NN.

Questions about the process can be directed to Hilde Diemel, Talent Acquisition Specialist via

NN Netherlands is the head office of NN Group, a financial services group with over 180 years of history, helping people care for what matters most to them. We are committed to the financial, physical, and mental well-being of our colleagues and customers through our products, services, and meaningful advice. Benefits of working for NN Group Netherlands include continuous development, meaningful impact, work-life balance, and a strong culture of diversity and inclusion.