Rakuten Symphony

Lead secure architecture and hands-on implementation for Rakuten Symphony’s cloud-native RAN, OSS, and telecom software deployments. This highly technical, customer-facing role spans pre-sales advisory, IAM, network and Kubernetes security, and on-site hardening.

Lead the development of AI agents and full-stack applications that power Rakuten Link’s communication ecosystem. This role combines LLM integration, workflow automation, scalable backend services, and modern user interfaces with technical mentorship and cross-functional collaboration.

Join Rakuten Symphony as an SRE focused on cloud automation, Kubernetes, and operational excellence for Rakuten Cloud Platform customers. You will combine hands-on infrastructure expertise with customer collaboration to support cloud adoption and RMI automation.

Serve as a senior customer-facing cloud architect helping APAC customers adopt, optimize, and operate Rakuten Cloud Platform automation and related cloud services. The role combines cloud technical expertise, automation, troubleshooting, and customer advocacy.

Senior QA Engineer responsible for validating Rakuten Cloud products for enterprise customers, with a focus on Japanese-language quality and backend/data testing. The role combines automated testing, defect troubleshooting, and advanced integration, performance, scalability, and stress-test design.

Join Rakuten Symphony’s Cloud Customer Success team as an SRE supporting the Rakuten Cloud Platform across APAC. You will design scalable cloud architectures, improve platform reliability, and help customers successfully operate cloud solutions.

Build and evolve a highly scalable, Kubernetes-based cloud platform for production 5G deployments, including orchestration, networking, storage, and application lifecycle management. This role combines distributed-systems engineering with customer issue resolution and mentoring.

Develop high-performance, scalable cloud-native object storage systems for Rakuten Symphony’s Kubernetes-based platform. The role focuses on C/C++ systems programming, distributed storage, performance engineering, and collaboration across a global engineering team.

Develop high-performance, cloud-native storage systems for Rakuten Symphony’s Kubernetes-based cloud platform. The role spans design, implementation, validation, benchmarking, and troubleshooting across kernel and user space.

Lead end-to-end OSS solution architecture for scalable, high-performance Telco Cloud and storage systems, with a strong focus on performance, cost optimization, and customer solutioning. The role partners with sales, presales, hardware, and product teams to define architectures and technology roadmaps.