Developing web sites (mobile/desktop) and bots (Twitter, Telegram, Bluesky, Mastodon etc..)

- In charge of PHP development for the maintenance of the Marketplace APIs used by traders to manage the orders as well as the maintenance of the web site dedicated to the administration of the MarketPlace by the operators (managing about 1500 traders)- Backend referrer for the accounting data export processes (automated via PHP batches)- Backend referrer for fee management (each merchant having a specific grid of fees according to their product categories)- In charge of PHP batches used for payment automations (charge or refund) of the MarketPlace orders- In charge of the automation for recording the new traders within the MangoPay payment system- In charge of technical support

- Adding new screens within back-office dashboard, using PHP framework with MVC architectural pattern - Developing batch processing to create accounting entries from new payment terminal and to transfer them into the accounting system- Developing batch processing to automate the sending of SMS messages to customers when asking for supporting documents or for notifying a rejected bank payment - using the SMS messaging solution from Netsize (http://www.netsize.com/) through HTTP request mode- Creating REST/JSON web services to provide information from pick-up points and parcel tracking, from orders delivered by Chronopost – consuming Chronopost web services (in SOAP/XML)- Developing a dashboard for the ongoing payments or claims for reimbursement using various Web 2.0 technologies (JQuery/AJAX/Bootstrap/Highcharts/Morris.js mainly) in order to increase reactivity, by detecting when order refunds or payments are rejected ; adding tools to detect and solve some anomalies. - Technical support (for customer/fraud services: when asking for order cancellation, to retrieve a cancelled order, to unlock orders on merchant website etc…)

Frontend and backend developer for an insurance company - ‘Groupe Colbert Assurances’ (30 employees) – https://www.colbertassurances.com Duties : - Integrating new insurance products (like individual health insurance) for cost estimate on the frontend website- Developing an EAI (enterprise application integration) for data synchronisation between frontend and backend (with data integration in MySQL (for frontend) and Firebird (for backend) databases) - using PHP object oriented programming concepts - Building SOAP web services to integrate data from business partners

Lead developer of an application managing employee timesheets and customer billings for the KPMG accountancy branch :Duties : - Progress/OpenEdge development: adding some new functionalities defined by the risks management, and the administrative & financial departments - In charge of administration of the 200 Progress database servers- Building of application packages with supervision of their deployment on PCs- Migrations of Progress application and databases (following the upgrade of Progress version, or that of desktop and database server operating systems)- Writing technical specifications for hotline service and application testers- Providing technical support for hotline service and end-users (from 1st to 3rd support level)- Management of Progress developers ASP.NET Developer (from November 2011, date of migration of KPMG internal data & application management software to SAP):- Migrating KPMG customer (duplicate) billing documents (billing history from 1997 to 2011: 30 million documents) from Progress server to SQL server- Developing ASP.NET web site for accessing these archiving customer billings (along with all necessary customer details) - Building reports with SQL Server Reporting Services (Business Intelligence tool from Enterprise SQL server Edition)- Writing technical specifications for maintaining the ASP.NET web site

Développeur Progress/OpenEdge sur l'application de gestion clientèle des Experts Comptables et Commissaires Aux Comptes

Administrator of a web server and webmaster for the X-Ray LIGA laboratory, CNRS (National Scientific Center of Research)Duties : - In charge of design and development of a web site for the LIGA laboratory (describing micro-fabrication processes using X-Rays)- Developing (with European partners) an Internet-Based Multimedia course in English covering various Micro technologies as part of an European project

Numerical & experimental study of dynamics of polymeric liquids ; results were shown at European and International conferences ((UK, France, Canada, China, Australia, USA, etc..), and broadcasted on TV ("Mad on Science", on BBC 1, September 1998) - Scientific publications

Research study on the interaction between shock-waves and flame fronts: involving various technics like thermodynamic data acquisition, use of high speed cameras, development of computer programs & data comparison with flow modeling software

Study of thermal runaway reactions within an enclosure with a two-phase mixture of gas and liquid.- vent sizing method