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Skills: Data Science, Artificial Intelligence, LLMs, RAG, NLP
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$5k–$7k/mo
Full-time
bachelor degree
13th month salary, Holiday allowance, 27 vacation days, Diversity days, Pension plan, Training and learning opportunities
Posted 2d ago
~36 hrs/week
Responsibilities
You will develop and optimize dynamic AI-driven conversational flows using LLMs and RAG to improve customer interaction. Additionally, you will analyze chat data and collaborate with cross-functional teams to ensure continuous model improvement and performance.
Requirements
You must hold a degree in Data Science, AI, Computer Science, or a related field and possess experience with LLMs, RAG, and Python. Strong analytical skills and proficiency in cloud platforms like Azure or AWS are required for this role.
Full job description
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. In this role, you develop and optimize dynamic chat interactions on our new conversational platform (SanneGPT) and ensure that customers are effectively helped within two minutes.
As a Conversational Data Scientist, you are responsible for developing, training, and improving AI-driven conversational flows. You combine data science, AI, and conversational design to answer customer questions smartly, quickly, and correctly.
You work at the intersection of LLMs, data, conversational journeys, and platform integrations. By intelligently integrating business logic and data and applying RAG and LLMs, you ensure that our chatbot conversation continuously learns and improves based on data and usage. In doing so, you deliver a direct impact on customer satisfaction, efficiency, and the automation of customer processes.
What you are going to do
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 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, Researcher, Conversational Experts, Developers, and BI Analysts to realize a continuous improvement loop
What we offer you NN invests in an inclusive, inspiring work environment and in skills and competences for the future. We match this with employee benefits that are in line with what is needed today and in the future. This way, we offer our employees the opportunity to get the best out of themselves. We offer you:
Salary between €5,339 and €7,119 based on 36 hours per week, depending on your knowledge and experience
13th month and holiday allowance are paid with your 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, which gives you unlimited travel, also privately. Do you prefer to travel with your own transport? Then you can declare the kilometers travelled
Allowances for setting up your home office and for internet use
Who you are
You are a curious and analytical data scientist with a strong interest in conversational AI and customer interaction. You combine technical depth with a sharp sense of customer value.
In addition, you have:
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 LangChain, LlamaIndex, 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
Who you will work with
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. In addition, you will collaborate intensively with the SanneGPT team to further develop and scale best practices, models, and frameworks within NN. We do this on our new conversational platform.
You will also be part of a Data & AI Guild, in which you actively share knowledge, explore new techniques, and continuously develop yourself together with other data and AI professionals within NN.
Any questions?
Any questions about the process can be directed to Hilde Diemel, Talent Acquisition Specialist via hilde.diemel@nn-group.com.
Related keywords
Data ScienceConversational AILLMsRAGNLPGenerative AIPythonLangChainLlamaIndexAPIMicroservicesCMP serversEvent-driven architectureA/B testingConversational designChatbot development
NN Group is an international financial services company, active in 10 countries, with a strong presence in a number of European countries and Japan. We are rooted in the Netherlands and have a rich history spanning 180 years.
With our 16,000 colleagues, NN Group provides retirement services, pensions, insurance, banking and investments to approximately 18 million customers. NN Group includes Nationale-Nederlanden, NN, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu.
NN Group opened for trading on 2 July 2014 on Euronext Amsterdam under the symbol ‘NN’ after its initial public offering (IPO).
Throughout our history, we have merged, grown and changed, but the core of who we are has remained the same. At NN Group, we put our resources, expertise, and networks to use for the well-being of our customers, the advancement of our communities, the preservation of our planet, and for the promotion of a stable, inclusive, and sustainable economy.
Our purpose is to help people care for what matters most to them. Because what matters to them matters to us.
Offices: Schenkkade 65, Den Haag, Zuid-Holland 2595, NL
How many Science & Research jobs are open in Rotterdam, Netherlands right now?
There are currently 50 open science & research positions in Rotterdam, Netherlands listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Science & Research roles in Rotterdam, Netherlands?
Companies currently hiring include Sia, Stedin, SOCOTEC, Cerba Research, LANXESS, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Science & Research jobs in Rotterdam, Netherlands?
Yes — 20 of the 50 open science & research positions offer remote or hybrid work (4 remote, 16 hybrid).
How do I apply for Science & Research jobs in Rotterdam, Netherlands?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.