To ensure competitive energy for the customers while maximizing the value created in a context of controlled risks and so manage one of the largest European energy portfolios. International company based in Brussels To ensure: Competitive energy for our customers while maximizing the value created in a context of controlled risks. The management of one of the largest and most diversified energy portfolios in Europe comprising electricity, gas, coal, petroleum products, biomass, CO2 and environmental products. Negotiation and optimization of natural gas supply contracts. Optimization of the electricity generation facilities, supply of gas, electricity and services for customers. Dynamic management of the portfolio. A presence in the key marketplaces in Europe, with trading activities in the service of all of the Group's businesses, its customers and counter-parties. Within the organization, a small devoted team is responsible for developing and maintaining the risk application. Manage one of the largest European energy portfolios. Analyze, design and implement new functionalities as requested by the business. Risk analysts and portfolio managers rely on this application to get a clear view on the portfolio. Therefore the application is in constant evolution to handle new types of products and provide new risk analysis methods. Improve performance, transparency and reliability of the risk system. Given the size of the portfolio, the application relies on High-Performance Computing (HPC) techniques to analyze the portfolio in a timely manner. experience and especially strong interest in developing C/C++ strong interest in finance and financial modeling experience in software design/architecture analytical and problem solving skills fluent in English, French and/or Dutch would be a plus: experience with multi-threading and multi-processing experience with Oracle and the OCI in particular experience with Linux Manage one of the largest European energy portfolios.