This position is closed and is no longer accepting applications.

Senior Backend Engineer, Microservices (Go)

Cybozu Chuo-ku, Tokyo February 17 2026
  • 💴 ¥10M ~ ¥12M annually
  • 🏡
    Partially remote
  • 🌏
    Apply from abroad
    Relocate to Japan
  • 💬
    No Japanese required
    Business English
  • 🧪
    Senior level
    5+ years experience required

About Cybozu

Cybozu Chuo-ku, Tokyo

Our four key products are used daily by over 175,000 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.

Responsibilities

  • 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.
  • Build CI/CD pipelines.
  • Run and operate the backend services on Google Cloud.

Requirements

  • 5+ years of experience working in development roles in B2B software engineering.
  • Hands-on experience in writing software in Go.
  • Experience with Kubernetes.
  • Knowledge and experience with CI/CD.
  • Professional English communication skills.

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 AI features/functionalities
  • Experience in building and managing production services

Compensation

¥10,000,000 ~ ¥12,000,000 annually.

Related jobs

More jobs like this

We'll send you a digest of new English-friendly software developer jobs in Japan. Your email stays private, we don't share or sell it.