Senior Backend Engineer, Microservices (Go)

  • Remote OK - Anywhere in Japan
  • Full-time
  • March 5, 2024
9,000,000 - 11,000,000 JPY /yr
Apply from Japan Only
No relocation to Japan
(No visa sponsorship from overseas)
Language Requirements
Japanese: Not Required 👍
English: Fluent
Minimum Experience
Senior or above


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.


Position Description

Job Duties & 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


Expected Knowledge, Skills, and Abilities 

  • 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.


Additional Desirable Knowledge, Skills, and Abilities

  • 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



  • You can choose the work location nationwide, whether at one of our offices* or from home.
  • Office list:


Work Hours

  • Flexible Working Hours
  • Core collaboration time: Tue-Fri 9 am-11 am


Salary Range

  • 9,000,000 - 11,000,000 JPY (Bonus Included)
  • Estimated annual salary:  Base Salary (12 months) + Bonus (Base salary x 1 month x twice a year = 2 months)
  • Monthly salary system:  Base salary is determined based on your skill set, experience, and abilities, etc.
  • An allowance for additional overtime(※2)is included in the base salary. 
    • However, work exceeding additional overtime agreed to between the employer and employee will be compensated separately.
  • Base monthly salary(※1):  JPY 640,000 – JPY 790,000
  • The base monthly salary breakdown as follows:
    • Base salary:  JPY 487,600 – JPY 601,900
    • Allowance for additional overtime(※2):  JPY 152,400 to JPY 188,100

  1. Depending on your skill set and experience, the amount set may be outside the above range.
  2. Calculated based on 160 hours of scheduled working hours per month and 40 hours of additional overtime.



  • Commuter allowance
  • Remote work allowance
  • New tech gear
  • Skill development support
  • Book purchases
  • Language Learning Support
  • Interpretation support
  • Complete health and social insurance
  • Employee stock ownership plan
  • Parental Leave



  • Two days off per week (Saturday and Sunday), Japanese national holidays
  • New Year's vacation(December 29th - January 3rd)
  • Annual paid leave
  • 5 days of Proactive Personal Leave and 5 days of Family Care and Personal Sick Leave


Selection Process 

  • Document screening
  • Interviews (2-3)

  *The 2nd interview is a technical interview

  • Offer meeting

Cybozu's purpose is to build a society brimming with teamwork. They offer the flexibility needed to work within a supportive, motivated, teamwork-driven environment.

Cybozu develops and delivers cloud-based collaboration services that enable diverse people to work together more easily and effectively. Today, they are one of Japan's most successful cloud-based companies, with four key products (Cybozu Office, Mailwise, Garoon, and Kintone) used every day by more than 160,000 businesses and nonprofit organizations worldwide.

Cybozu's Culture

To achieve their mission, Cybozu has four principles guiding:

  • Share a common vision
  • Be yourself and take responsibility
  • Be transparent
  • Embrace individuality

For more details about Cybozu's culture, please visit their site.

As Cybozu continues to expand globally, they are looking for individuals from all walks of life with unique and diverse life stories and life experiences.

They also offer comprehensive support, from visa acquisition assistance to English onboarding programs:

Global Recruitment

Cybozu's vision is to build a society brimming with teamwork.

To achieve their vision not only in Japan but across the world, they develop products for the global market. Their product development and sales teams are in the process of globalizing their operations. As part of this effort, Cybozu is seeking to hire more international members from Japan and abroad for the English-speaking team (*New Business Division) that is developing their new Identity and Access Management (IAM) product.

Work with Confidence

Cybozu provides support to ensure that everyone can perform and work confidently, regardless of the language they speak.


Cybozu offers an English onboarding program to help you understand Cybozu’s culture and ensure a seamless start. The onboarding sessions in English will help you familiarize yourself with Cybozu's culture and set up your IT equipment. You’ll also be given an office tour, and a consultation service will be at your disposal to discuss any language-related challenges.

Visa and Relocation Support

For those who need a Japanese work visa to enter Japan, Cybozu will sponsor and provide support throughout the visa acquisition process, including covering the associated costs. If relocation to Japan is necessary for your employment, Cybozu offers comprehensive support to ensure a stress-free relocation, from the physical move to settling into your new living arrangements. Additionally, they will cover the cost of airline tickets, moving expenses, and other related costs (up to a certain amount).

View Cybozu's company page

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Senior Backend Engineer, Microservices (Go) at Cybozu
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