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Rakuten

CNP-Software Engineer/ Sr. Software Engineer, Cloud Product and Engineering Department (RS Cloud Div)

Tokyo, Japan

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hirly's read of this role

Role family
Engineering
Seniority
Senior
Country
JP
Work mode
On-site / unstated
First seen by hirly
2 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Job Description:

About Organization

Rakuten Symphony's Cloud Business Unit provides a highly scalable Kubernetes based platform that provides secure distributed storage, networking and compute capabilities for next generation applications.

Our business is diverse and growing across Telecommunication, Enterprise, and Retail Customers in the Far East, EMEA, and Americas. Our engineering team is diverse spanning US, Dubai, Singapore, Japan, and Korea. We are seeking to grow the team in Japan and are looking for systems engineers from within and outside Japan to take our platform to the next level.

To Develop world-class cloud native Kubernetes platform.

Why We Hire

Develop and support Cloud native platform for RMI

Job Duties

  • Design and Develop core components of the orchestration stack which is responsible for production 5G deployments and guarantees high performance and high reliability (consider a lot of 9’s)
  • Work in Kubernetes CSI, CRI and CNI layers.
  • Design and develop application lifecycle workflows required for running production-grade networking applications on Kubernetes.
  • Design and develop features required for application deployment, management, upgrades, backups, etc.
  • Handle customer issues/escalations in a timely manner and provide RCA/workaround/fixes as expected.
  • Design, develop and maintain licensing features required for the product. Build tools to provide insights based on licensing data.
  • Provide application lifecycle features independent of their mode of deployment, viz. Robin bundles, Helm charts, operators, Kubernetes yamls.
  • Design, develop and maintain pod/storage planning in the cluster to make best use of available resources while considering application needs.
  • Understand various Kubernetes features and come up with a strategy about how to best integrate with those features.
  • Guide new team members and help them get on-boarded. Also, mentor fresh graduates to achieve their development goals.
  • Provide the content to the documentation team about various product features.

Work Environment

12 Personal team spread across USA, India and Japan

Team contains people from Veritas, Cisco, Tintri and Microsoft

Python, Go or RUST

Minimum Qualifications

  • Computer Science Bachelor’s with 3+ years or Master’s with 1+ years
  • Have 1-10 years of experience.
  • Skilled in Go, Python, C++, Rust, or similar languages
  • Expert in system design and distributed systems
  • Have in-depth knowledge of Kubernetes stack.
  • Very strong in debugging distributed systems issues
  • Deep understanding of systems, operating systems
  • Familiarity with relational and NoSQL databases
  • Having experience working with Kubernetes AND C or Go or RUST, public clouds, or contributing to Kubernetes is a bonus!
  • Fully proficient in written and spoken English

Languages:

English (Overall - 4 - Fluent)

Original posting on Rakuten's site ↗

Listed on hirly, a job board. hirly is not the employer: Rakuten is hiring for this role.

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