The evolution of the Internet and Web has led governments to reshape traditional public services and supply the faster, better and more responsive access to public services to citizens called e-Government. E- Government is not only the electronic interactions between citizens and government agencies but also the co- operations among independent government affiliated agencies where exist different systems. These co- operations raise research challenges of heterogeneous interoperating environment in e-Government. This paper will examine the e-Government aspects and then identify the requirements in order to propose a G2G interoperability architecture based on microservices approach, the new trend of software architecture and distributed computing technologies, along with technical standards, maturity model, and some key actions meant to make the initiative implementable in real world and addresses some specific peculiarities and needs of developing countries, like DRC.

Keywords : ICT, developing countries, Democratic Republic of Congo, Interoperability, IT services, e-Government.