Model Developer

NN Personeel B.V.; Rotterdam; Hybrid; EUR 43,000 - 58,000; Full time

Benefits offered by this job

Training opportunities

Hybrid work environment

Competitive salary

Pension plan

Travel benefits

Job summary

NN Life & Pensions is seeking a Model Developer to translate complex actuarial models into Python code and lead the modernization of calculation tools. You will advise stakeholders across the value chain on quantitative issues and support transformational initiatives.

You will provide subject-matter expertise to strategic projects, develop testing software to safeguard actuarial accuracy, and collaborate with IT and actuarial teams in a hybrid environment.

Qualifications

• Master's degree or equivalent academic level.
• Experience programming in Python and translating models into code.
• Knowledge of statistical methods and ability to explain analyses to stakeholders.
• C2 Dutch language proficiency.

Responsibilities

• Future-proof actuarial models by translating them into Python code.
• Provide subject-matter expertise to strategic projects and migration programs.
• Develop testing software to safeguard actuarial accuracy of calculation engines and IT systems.

Skills

Python programming

Statistics

Dutch language (C2)

Education

Master's degree or equivalent

Tools

VBA

C#

Java

Job description

Within Insurance Technology, we are looking for a Model Developer who will take the lead in programming future-proof calculation tools. Do you enjoy analyzing complex code and intricate calculations? And are you able to translate your findings into pragmatic, actionable advice? If so, we would love to meet you and welcome you to the Insurance Technology team within the Expert Center Services of NN Life & Pensions.

What you are going to do

The Insurance Technology team provides specialist expertise to high-profile projects and transformation initiatives. We work in multidisciplinary teams and are responsible for ensuring the actuarial accuracy of calculations, both within strategic programs and across our calculation applications and IT systems. In doing so, we safeguard the interests of our customers and Nationale-Nederlanden. To ensure that our testing tools and information systems remain future-proof, you will take the lead in modernizing and developing our software solutions. In addition, you will advise stakeholders across the value chain on quantitative issues.

In this role, you will:

• Future-proof actuarial models by translating them into Python code
• Provide subject-matter expertise to strategic projects and migration programs
• Develop testing software to safeguard the actuarial accuracy of calculation engines and IT systems

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.

• Salary between €3,891 and €5,188 based on a 36-hour work 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 have a strong quantitative background, enjoy intellectual challenges, and have an affinity for IT. You can quickly find your way through mathematical models and are able to translate complex code into clear and understandable language. You are positive, enjoy sharing ideas, and are open to different perspectives, making you a valued and collaborative colleague.

In addition, you have:

• A Master's degree or equivalent academic working and thinking level
• Experience programming in Python; knowledge of VBA and/or object-oriented languages such as C# or Java is a plus
• Knowledge of statistical methods and the ability to explain complex analyses clearly to stakeholders
• A curious, pragmatic mindset and a strong drive to get things done
• C2-level proficiency in Dutch

Who you will work with

The Insurance Technology team is part of the Expert Center Services within NN Life & Pensions. Together with 13 experienced Modelers, Analysts, Actuaries, and Testing Experts, we serve as the actuarial center of expertise within the Services domain. Working in multidisciplinary teams, we collaborate closely with colleagues from IT, Legal, Finance, and Risk Management. We work in a hybrid environment with flexible working hours. Dedicated office days enable us to meet and collaborate in person, while the right tools and facilities allow us to stay connected and work effectively from home.

Any questions?

Any questions about the process can be directed to Hilde Diemel: Talent Acquisition Specialist via [e-mail].

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 Continuous development – Your career progression matters. We support you with a wide range of learning opportunities and a generous training budget to help you reach your full potential. Meaningful impact – At NN, we invest our time and expertise in making a meaningful difference – for people and the planet. Purpose-driven work is part of our DNA. Work-life balance – Vitality is key. Our diverse health and well-being offerings help you stay energised and balanced, both at work and beyond.

Diversity & Inclusion Our approach to diversity and inclusion is simple. It is about embracing everyone. Our networks play a crucial role in achieving our D&I goals. They aim for meaningful change and create many opportunities to engage, connect and support colleagues. Everyone at NN can take an active part in multiple networks including NN Pride, NN Cultural Diversity Network, NN Young Professionals, Woman in Leadership Network and NN Neurodiversity network.

Top Employer We are proud to be certified as a Top Employer for the 15th year in a row in 2026. The Top Employers Institute certificate recognizes organizations that consciously choose to put their employees first.