> Markdown version of [/jobs/ext/4572752-quantitative-developer](https://www.wearedevelopers.com/jobs/ext/4572752-quantitative-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Quantitative Developer - **Company:** Nationale-Nederlanden - **Location:** Den Haag, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Data Analysis, Automation of Tests, Big Data, C Sharp (Programming Language), C++ (Programming Language), Profiling, Code Review, Computer Programming, Databases, Continuous Integration, Data Systems, Software Debugging, Monitoring of Systems, Python (Programming Language), NoSQL, Backtesting, Software Engineering, SQL Databases, Delivery Pipeline, Numerical Computing, Integration Tests, Software Version Control, Data Pipelines - **Published:** November 5, 2026 - **Apply:** https://www.werk.nl/nl/vacatures/72119668 ## About the Role Role purpose: Build, optimize, and maintain quantitative models and trading/analytics systems that support research, pricing, risk, and execution in a production environment. Core responsibilities - Design and implement quantitative libraries, model components, and data pipelines for research and production use. - Translate trading and risk requirements into robust, testable software and scalable services. - Improve performance through profiling, optimization, and efficient numerical methods. - Integrate models with market data, backtesting frameworks, execution platforms, and monitoring tools. - Develop automated testing, validation, and deployment workflows to ensure reliability and reproducibility. - Collaborate with quants, traders, and engineers to deliver measurable improvements in strategy and infrastructure. Required skills - Programming: Strong proficiency in at least one of Python, C++, Java, or similar; clean, maintainable code. - Quantitative methods: Solid understanding of statistics, time series, optimization, and numerical computing. - Data: Experience working with large datasets, market data, and databases (SQL and/or NoSQL). - Software engineering: Version control, code reviews, unit/integration testing, and CI/CD practices. - Problem solving: Ability to debug complex systems and communicate technical trade-offs clearly. Preferred qualifications - Experience with backtesting, factor models, derivatives pricing, or risk analytics. - Knowledge of distr... ## Description As a Quantitative Developer at NN Group Risk Models & Analytics, you build and optimize risk systems and calculation engines, ensuring accurate, reliable and efficient risk calculations, delivering maintainable C# code with tests and documentation, and supporting users.