Atos is an international information technology services company with annual revenue of EUR 8.8 billion and 77,100 employees in 52 countries. Serving a global client base, it delivers IT services in 3 domains, Consulting & Technology Services, Systems Integration and Managed Services & BPO and transactional services through Worldline.
In 2009 Atos was asked to drastically reduce the costs of the UCS application (Universal Clearing System): the compensation engine for the Euronext Cash (stocks and bonds) and derivatives markets in the Euro zone. In the financial sector, clearing is exercised by aggregating all purchases and sales by the type of product/assets held by each account holder, resulting in a balance of net payables or receivables as well as the net flows of securities delivered or received.
- Migrate from a proprietary HP NonStop-SQL/MP environment towards an open source …