Guillaume Crespin

Developed and provided scalable and corrective maintenance of DbRef 2G/3G applications Analysis of both internal and external impacts, Technical design and development, Managed and solved bugs: qualification and fixing

DbRef Project : Referential Tool of wireless network configuration 2G / 3G / 4G / 5G enabling the operation and fixing of parameters. Provided training and managed a team of 8 developers, Collecting and clarifying the requirements from the Telecommunication Engineers, Drafted functional specifications and ensured the validation of technical specifications, Ensured the verification and validation of deliverables, Automation of data processing and daily reporting, Coordinated effective communication between stakeholders including customers, project managers, developers, network administrators, Fixing and solving defects, Provided technical support and training to end-users

I.O.M Project (Inter-Operator Mediation framework agreement RANSHARING 3G, 4G) Responsible for implementing an automated solution for sharing datas and indicators in a standard format between the four French mobile operators (Orange, SFR, Bouygues Telecom and Free) Enabled the implementation and operation of the RanSharing sites.