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Data Scientist Mortgages

Posted 22 Aug 2025
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Work experience
3 to 10 years
Full-time / part-time
Full-time
Job function
Salary
€4,092 - €5,846 per month
Degree level
Required language
English (Fluent)

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Data scientist Mortgages bij Nationale-Nederlanden

We bieden je

  • NS Business card, ook privé te gebruiken
  • 13e maand en vakantiegeld
  • 27 vakantiedagen en 1 Diversiteitsdag
  • Hybride werken

Waarom Nationale-Nederlanden

  • Support +20 miljoen klanten
  • Sterk Nederlands merk
  • Inclusieve werkgever
  • Werken aan vitaal Nederland

Are you excited about leveraging cutting-edge technology and tools to develop AI solutions that enhance services for customers and colleagues, making them more efficient, faster and user-friendly? If so, this opportunity is tailored for you! We are seeking a Data Scientist with Python coding background who will make a difference by automating our mortgage processes through solutions that can read, interpret and process documents using GenAI and other AI-tools. Additionally, we are actively exploring opportunities to integrate AI tools and AI agents capable of dealing with more complex contexts into our services for customers, advisors and colleagues. As a Data Scientist, you will play a crucial part in optimizing our customer processes and elevating our overall customer experience.

What you are going to do

With your solution-oriented and proactive mindset, you will translate business challenges into innovative data science solutions, driving value creation for our future business.

  • Develop, deploy and monitor AI solutions into production, specifically focusing on integrating GenAI models for mortgage-related applications. To achieve this, you will develop Python libraries for running AI Systems, create utilities to maintain ground truth datasets, automate pipelines for evaluating AI System performance, monitor drifts and propose improvements to the models.
  • Explore and apply new AI technologies and trends, particularly in the mortgage domain, with a focus on utilizing LLMs (OpenAI) and other AI services.
  • Collaborate with cross-functional teams in the mortgage domain to ensure seamless integration of AI solutions into the customer journey
  • Implement and integrate models in the cloud infrastructure that we use (Azure and AWS).
  • Assist business colleagues in drawing up their needs to make processes more efficient and effectively communicate and demonstrate the benefits of the solutions to drive AI adoption within the organization.

If you enjoy delving into the latest AI trends to find solutions for business problems, are hands-on and enjoy working in teams to implement improvements in real business processes with visible impact for customers and employees, this job is perfect for you!

What we offer you

  • Salary between €4092 and €5846 (36 hours) 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 one Diversity Day
  • 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

We work in a hybrid model at NN. Teams meet at the office in Rotterdam 2 days a week and digitally on other days. Our offices are designed to provide suitable spaces for all types of work. The official location for this position is Rotterdam. You will work directly next to Rotterdam Central, above the Coffeecompany x Nationale-Nederlanden Café. Ideal for a good cup of coffee. In our restaurant, you can enjoy a healthy lunch and an extensive Asian cuisine.

Who you are

You are results-oriented and take pride in delivering code projects for the business, with a strong focus on the further adoption of our AI solutions. Your open-mindedness and communication skills greatly contribute to this. Additionally, you should have:

  • A bachelor's or master's degree in Data Science, Econometrics, IT, or a related field with a strong emphasis on Data Science
  • At least 3 years of hands-on experience in developing real-world applications.
  • Proven track record in designing and implementing AI Solutions, particularly focusing on foundation models and LLMs. Experience in natural language processing (NLP) is desirable.
  • Practical expertise and utilizing LLMs/GenAI across the data science lifecycle, including data collection, data processing, model evaluation and deployment.
  • Experience in deploying AI models into production and seamlessly integrating them into the customer journey and workflow using cloud platforms such as AWS, Azure or Google Cloud and their AI services.
  • Proficiency in Python and hands-on experience with consuming and developing Python REST APIs, unit testing and writing production-quality code.
  • Experience with JavaScript and training ML models is a plus.
  • Demonstrate a growth mindset with a strong ability to understand users’ business processes and challenges.
  • Strong communication and collaboration skills, enabling effective collaboration across diverse functional teams.
  • Proficiency in the Dutch language is a plus.

Above all, you thrive on continual learning and growth, eagerly embracing opportunities to further enhance the above-mentioned competencies in a dynamic work environment.

Who you will work with

You will work in a team with Data Scientists, Data Engineers, and a Product Manager who keenly captures business needs and requirements. Together, you will collaborate on developing data and AI solutions that enhance services for customers and colleagues, making them better, faster, and easier to use. Your team will closely collaborate with other product teams within the mortgage domain to integrate your AI solutions into the customer journey. In the team we value open communication, experimentation, and celebrating success together.

Additionally, you will be a member of the Data Science guild, where approximately 70 Data Scientists from across Nationale-Nederlanden come together. Here, you will exchange knowledge and experiences with peers. We believe that every Data Scientist can learn from others in the community and vice versa, accelerating your development and delivering maximum value with our AI solutions.

Bij NN geloven we dat onze kracht ligt in het omarmen van de volledige diversiteit van de mensheid. We erkennen en waarderen ieders uniciteit en bijdrage, wat ons in staat stelt om te groeien: als individu, als team en als organisatie.

Diversiteit, Gelijkheid en Inclusie zijn verankerd in onze cultuur, die wordt geleid door onze kernwaarden: care, clear en commit. Deze waarden helpen ons om een werkomgeving te creëren waarin iedereen zich welkom, gerespecteerd en trots voelt om deel van uit te maken.

Be you. You have our support.

Onze kantoren zijn 100% circulair gerenoveerd. Zero waste, maar zonder concessies te doen aan het ontwerp.

Onze in-house 'event space' is hét creatieve centrum voor het delen van kennis.

Bij NN werken we hybride. Samen met jouw team bepaal jij waar en wanneer je werkt.

'You Matter', dat is onze merkbelofte. Dit zie je terug in onze arbeidsvoorwaarden, communicatie en op kantoor.

Het kantoor is een ontmoetingsplek, met ruimte om te brainstormen en samen te werken.

Ons hoofdkantoor ter gelegenheid van het event: 'Den Haag Stad Escher' in 2023.

NN heeft een rijke historie, al meer dan 175 jaar. Wij delen dit graag met elkaar.

Wij geloven in de kracht van kunst en zijn trotse partner van het Mauritshuis.

Any questions?

If you have any questions about the job, you can reach out via phone or WhatsApp to Rogier van Dijk, Manager Customer Journey via 06 153 227 03. Any questions about the process can be directed to Joost Stroes at Joost.stroes1@nn-group.com

NN Group is an international financial services company, active in 10 countries, with a strong presence in a number of European countries and Japan. Our roots lie in the Netherlands, with a rich history that stretches back 175 years. With our 16,000 employees, NN provides retirement services, pensions, insurance, reinsurance and banking to approximately 20 million customers. NN Group includes Nationale-Nederlanden, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu.

Insurance
Den Haag
Active in 10 countries
16,000 employees
60% men - 40% women
Average age is 40 years