What was the situation?
BNP Paribas Personal Finance, whose Cetelem brand is the group's flagship consumer-credit name, needed a legacy C/C++ platform modernized to Java Spring and integrated with PayPal for its consumer-finance journeys.
What did ARCHITEKT do?
As CTO on the engagement (2011-13), Erwan Deschamps led the modernization of a BNP Paribas Personal Finance (Cetelem) platform from C/C++ to Java Spring and integrated PayPal into the payment flow.
What changed, measurably?
The Cetelem platform moved from C/C++ to a Java Spring stack with PayPal integrated, modernizing a system inside BNP Paribas Personal Finance, a European consumer-finance leader serving 25 million clients across 31 countries.
A Cetelem consumer-finance platform was rewritten from C/C++ to Java Spring and wired to PayPal, so a core BNP Paribas Personal Finance system moved onto a modern, payment-integrated stack.
How do you modernize a consumer-finance platform in flight?
The migration from C/C++ to Java Spring ran with the PayPal integration folded into the same program rather than deferred, so a system inside BNP Paribas Personal Finance, a European consumer-credit leader serving 25 million clients across 31 countries, moved to a maintainable stack.