Senior Backend Engineer, Microservices

Cybozu Chuo-ku, Tokyo
  • 💴 ¥9M ~ ¥11M annually
  • 🏡 Partially remote
  • 🧪 5+ years experience required
  • 💬 No Japanese required
  • 🗾 Japan residents only
  • 🧳 No relocation support

About Cybozu

Cybozu Chuo-ku, Tokyo

Our four key products are used daily by over 160,000 companies and non-profits worldwide. As we continue to expand our business globally, we’re looking for individuals from all walks of life, with unique and diverse life stories and lived experiences.

Key benefits

  • Successful in Japan, growing globally
  • Open and flexible work environment
  • One of Japan’s top 3 best workplaces

About the position

We are seeking highly experienced backend engineers who are responsible for designing and developing backend systems for our new products. We use technologies such as OAuth2/OIDC, gRPC, Kubernetes, and distributed databases to build the backend.

As a senior backend software engineer, you will analyze the business and technical requirements, design software and systems, and implement them by collaborating with others. You will be responsible for the quality and maintainability of your code, so you must be a very good document writer and set up continuous integration systems with a good set of tests. In the early stage, you will also be responsible for running the services on Google Cloud and dealing with incidents.


  • Analyze business and technical requirements to design our backend systems
  • Implement the designed system yourself with good documentation and tests
  • Review other backend engineers’ design and code
  • Collaborate with frontend engineers, product designers, and architects


  • 5+ years of experience working in development roles in software engineering
  • Hands-on experience in writing software in Go
  • Experience with Kubernetes and cloud-native technologies.
  • Knowledge and experience with CI/CD
  • Effective communication and proficient writing in English.

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Experience with Google Cloud, gRPC, or Istio/Envoy
  • Knowledge of OAuth2, OIDC, SCIM, and SAML
  • Experience in building and managing production services
  • Very good command of Japanese


9 to 11 million JPY annually.

This estimated salary range is inclusive of bonuses and an allowance for overtime. Work exceeding additional overtime agreed to between the employer and employee will be compensated separately. Depending on your skill set and experience, the amount offered may be outside the above range.

Hiring Process

  1. 1

    Document screening

  2. 2

    Interviews (2-3)

    *The 2nd interview is a technical interview

  3. 3

    Offer meeting


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