Senior Frontend Engineer - Chat service

Job Summary

  • 9,000,000 - 11,000,000(JPY / year)
  • Japan, Tokyo
  • Remote(Anywhere in Japan)
  • Apply from Japan only
Language Requirements
  • English: Business
  • Japanese: Fluent
Key skills
  • React.js
  • TypeScript
Front-end Engineer|CybozuFront-end Engineer|CybozuFront-end Engineer|Cybozu

Job Description

Job Role

Front-end Engineer

Job Description

| About Cybozu 【This Position is for Japan Residents Only 】 Our purpose is to build a society brimming with teamwork. We offer the flexibility you need to work within a supportive, motivated, teamwork-driven environment. We develop and deliver cloud-based collaboration services that enable diverse people to work together more easily and effectively. Today, we are one of Japan's most successful cloud-based companies, with four key products used every day by more than 160,000 businesses and nonprofit organizations worldwide. | 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 Our team is developing next-generation groupware in domains including IAM, communication, and collaboration in order to achieve our corporate vision of building a society brimming with teamwork. As part of our product release preparations, we are engaged in the process of iterations identifying customer needs and validating hypotheses based on our findings. To that end, we are looking for a proactive individual who can offer valuable insights with a deep understanding of the product concept and a holistic view of the project. This position requires the ability to demonstrate thorough proficiency in web technologies, particularly front-end technologies, and the ability to lead efforts in developing architecture design, selecting development tools, and improving development processes. Our team is multicultural, and we strive to use English as our primary means of communication. However, some team members are still in the process of acquiring business-level English skills for smoother communication. This means the successful candidate will be sensitive to the communication process and willing to put in additional effort to understand team members’ intentions and ensure they understand yours. Since the engineers are native Japanese speakers, some complicated technical discussions may be conducted in English with supplementary explanation given in Japanese. We are looking for an individual who is willing to strive to overcome language barriers in order to collaborate effectively with team members.


You will be part of the ongoing front-end development of our next generation groupware. The primary duties and responsibilities of this position are outlined, but not limited to those listed, below. The expectation is that the successful candidate will contribute in additional areas beyond just those in this list. - Design and implement new features in collaboration with product managers, designers, and other engineers - Develop specifications, and review designs and code within the development team - Implement automated testing, perform continuous refactoring, and prepare documentation to maintain high software quality

Required skills & Experience

Basic qualifications

- 5+ years of professional development experience using React and TypeScript - Professional experience in selecting technologies for web service development - Basic computer science knowledge (including but not limiting to algorithms, data structures, security, and networks) - Experience in implementing automated testing - Experience in team coordination of a diverse team - Experience in developing B2B services within a team - Business-level English language skills - Ability to engage in simple verbal communication in Japanese (JLPT N3 level or higher)

Preferred qualifications

- Experience in developing a real-time communication service using Firebase and other tools - Familiarity with design tools such as Figma - Knowledge of authentication protocols such as OAuth2 and OIDC - Knowledge of web accessibility and WCAG guidelines - Ability to engage in text-based communication in Japanese within the team/company (JLPT N1)

Job Details

Employment type
Minimum and maximum annual income(JPY)
9,000,000 - 11,000,000 (JPY)
Salary details
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
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.
Japan, Tokyo
Apply from
Japan only
Remote work
Remote(Anywhere in Japan)
Working hours
Flexible working hours
Core collaboration time : Mon-Fri 9 am-4 pm (JST)
- 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
Employee benefits
- 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
Selection flow
- Document screening
- A coding test
- Interviews (3 times)
- Offer meeting
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