Jobs / Senior Frontend Engineer
Jobs at Cybozu, Inc.

Senior Frontend Engineer

Cybozu, Inc. Japan | Hybrid
EN: business
JP: none
Employment Type
Full time

Job Description

Our Team

We have established a new and rapidly expanding team of around 20 people to build next-generation groupware and workspace solutions, including advanced identity and access management, communications, collaboration, and more.

The team comprises both exceptional existing professionals and newly-hired senior engineers.

We aim to foster a team culture with the following qualities:

  • Aligning actions with a compelling, shared vision
  • Valuing individual differences and talents
  • Fostering trust through open and transparent communication
  • Empowering people to act independently while making progress together through discussion

Position Overview

Join us in developing our new B2B SaaS product, a next-generation groupware, workspace and enterprise security solution. As an expert frontend engineer, you'll leverage technologies like TypeScript, React, and gRPC to spearhead the creation and the development of our frontend from scratch. Your role will involve building high-quality applications and UI components that redefine user experiences.


  • Collaborate with product managers, designers, and engineers to plan and implement engineering initiatives.

  • Design and develop new features and reusable UI components using React-based frameworks.
  • Implement automated tests and maintain comprehensive documentation.


Expected Knowledge, Skills, and Abilities

  • Proficiency in React, TypeScript, and React-based frameworks like Next.js with a minimum of 5 years of experience.
  • Expertise in creating responsive web layouts and enhancing performance and security.
  • Strong grasp of HTML/CSS semantics and experience in writing test codes.
  • Excellent communication skills in English, along with a background in team-based B2B service development.

Additional Desirable Knowledge, Skills, and Abilities

  • Knowledge of Web communication protocols such as gRPC, GraphQL, and OAuth2/OIDC.
  • Experience in real-time communication service development (e.g., Firebase).
  • Experience with accessible coding or willingness to learn it.
  • Japanese communication skills are a plus.

About the Company

At Cybozu, our mission is to build a society brimming with teamwork. In pursuit of that mission, since 1997 we’ve been developing software solutions that bring diverse individuals together in more collaborative and effective workspaces.

Our products have been deployed across a variety of industries and have been embraced by tens of thousands of companies, big and small, all around the world. Our flagship product is our cloud-based groupware platform Kintone, launched in 2011, which has enjoyed steady growth and now makes up the majority of Cybozu’s total sales.

We recognize that teamwork is ultimately about people, which is why we don’t limit ourselves to developing and selling tools. Cybozu is engaged in myriad endeavors to pursue its mission, including promoting workstyle reform, advocating for better work practices via our owned media platforms, supporting the development of local communities, and creating a network of like-minded customers and partners.

At Cybozu, we’re constantly looking for new team members who feel connected to our vision. Please get in touch and together, let’s build a society brimming with teamwork.

Work Hours

  • Flexible working hours with our collaboration time : Mon-Fri 9 am-4 pm (JST)


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

    *The Sapporo, Sendai, and Yokohama offices are designated for specific divisions only. (Ex: Sales Team)

    Smoking will be prohibited in all office areas, except for designated smoking rooms in some areas.


  • Salary Range(※1): JPY 9,000,000 – JPY 11,000,000
    • 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


  • 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
  • A coding test
  • Interviews (3 times)
  • Offer meeting