Cloud Software Developer

Cloud Platform Department provides Rakuten Mobile's virtual infrastructure. Within this department, the Cloud Technology Department is specifically responsible for the design, build, and operation of virtualization infrastructure software for containers and virtual machines.

Working alongside engineers who possess advanced cloud technology crucial to Rakuten Mobile's globally unprecedented "fully virtualized cloud-native mobile network," this role offers the opportunity to engage in creative and innovative work that continuously evolves the mobile network.

The department comprises approximately 50 members. It is structured into five sections: three SRE sections responsible for the design, build, and operation of specific technology domains (virtualization platform, container platform, storage platform), one section dedicated to developing a part of the container platform, and one section that spans across these four, focusing on developing and systematizing the verification environment and driving automation. The majority of members are engineers actively engaged in cutting-edge cloud technology.

This role involves the design and development of container-based virtualization infrastructure.

The main responsibilities include the integration of hardware (HW), operating systems (OS), virtualization infrastructure software, and third-party components operating on the virtualization infrastructure, all necessary for providing virtualization infrastructure for mobile communication systems.

The work will utilize Rakuten Symphony's Kubernetes-based virtualization infrastructure software. This includes design for various components, automation of infrastructure construction, and development tasks related to performance tuning. Additionally, the role involves considering and implementing necessary functionalities to ensure the stable and efficient delivery of Rakuten Mobile's services.