Career opportunity Senior Backend Developer
Senior Backend Developer
- Locations
- Tokyo
- Salary
- ¥8,500,000〜¥12,000,000 (Annual)
- Recruitment industry
- Programmer
- Employment status
- Full time employee
Job description
- Develop customer user management systems integrated with authentication infrastructure (e.g., Auth0).
- Implement user authorization mechanisms (RBAC, ABAC, ReBAC).
- Design and implement API authentication and authorization for microservices (e.g., OAuth2.0).
- Review and design authentication and authorization architecture across services and teams.
Requirement
Required
- Experience in designing, developing, and maintaining web applications.
- Development experience with authentication infrastructure or user management functionalities.
- Familiarity with authentication/authorization technologies (e.g., OAuth2.0, OpenID Connect).
- Fluent Japanese for business communication (equivalent to JLPT N2 or higher).
Preferred
- Experience with advanced authentication methods (e.g., NIST SP 800-63).
- Expertise in access control development (e.g., RBAC, ABAC).
- Experience in secure web application development.
- Business-level English communication skills.
Benefits
Salary:
- The expected annual salary upon joining the company ranges from 8,5 million yen to 12 million yen.
- Salary increase twice a year.
- The annual salary will be divided by 12 and paid as a fixed monthly salary.
- Stock option system available.
- Other benefits:
Allowances:
- Transportation expenses reimbursed at actual cost:
- Up to 30,000 yen per month, paid according to the number of days worked in the office.
- For employees living far away, up to 60,000 yen per month.
- Child allowance: 15,000 yen per month for each dependent child under 18 years old.
Employee Interaction Support:
- Support for team activity expenses (1,500 yen per person).
- Teaming Offsite cost subsidy (5,000 yen per person, up to once per quarter).
- Meal allowance for internal team interactions (2,000 yen per person, up to once per month).
- Meal allowance for cross-team interactions (3,000 yen per person, up to once per month).
Growth Support:
- Server cost subsidy (up to 10,000 yen per month, for engineers).
- Book purchase support.
- External training cost subsidy.
Life Event and Family Support:
- Childcare and caregiving leave (available after 3 months of employment).
- Wedding gift (50,000 yen), birth gift (100,000 yen).
- Moving allowance.
Others:
- Full social insurance (employment, workers' compensation, health, pension).
- PC provided.
- Full reimbursement for health checks, gynecological exams, and partial subsidy for comprehensive medical exams.
Primarily remote:
- However, to encourage interaction among team members, we recommend a weekly office attendance day and hold offsite meetings once or twice a quarter.
- Details may vary by team, so please feel free to ask questions during interviews or meetings.
- We have several members based outside of the metropolitan area, including Chubu, Kansai, and Kyushu. If you prefer to work in the office, you are welcome to use the office at any time.
Work time
Flexible working hours system (Core hours from 11:00 to 16:00).
Location
Tokyo
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