france-marseille: software programming and consultancy services./ acquisition, implementation and maintenance of a social work management solution for the aix-marseille-provence metropolis./ the metropolis is working on the advent of a harmonized social action on 01/01/2023. in this context, it wishes to acquire a management solution for social works in order to facilitate the work of future managers. this management tool should: - allow the creation and modification of social work services - allow the processing of user requests - offer a digital front office allowing them to access the catalog of social services but also to facilitate their process. the total estimated value mentioned in ii.1.5) is understood to cover the total duration (part at fixed prices and part at unit prices included)