Software Engineer

We are seeking passionate and driven international engineers to join our Tokyo-based engineering division.

Sansan Inc. is one of Japan’s leading SaaS providers, offering various market-leading products and services, centered around digital transformation and data management.

We are now setting our sights on global expansion, starting with Southeast Asia. To this end we are establishing multinational global teams within the engineering division. Global teams are principally focused on building new features for a global audience, as well as supporting the effective localisation of the originally for-Japan products.

We seek motivated and ambitious software engineers to help us in this endeavor; by understanding and improving the products and their features, integrating and scaling them to new markets, and perceiving and prioritising user experience and needs. Which product you would be working on will be decided based upon aptitude as well as needs at the time of application.

Residence in Tokyo is required for the role and we will fully support any successful applicants’ relocation to Tokyo.

You’ll be working in our head office, which is in a great location in the trendy and upmarket Omotesando area of Tokyo.

Development Environment

Required Languages

  • Conversational Japanese
  • Business-level English

Required Skills

  • Experience with web application development using following or similar technologies (C#, Java, Kotlin, Python, Go, Node.js, Scala etc.)

Preferred Skills

  • Team development experience using GitHub
  • Experience working with some cloud platform (AWS, GCP, Azure etc.)

Employment Details

Employment Type

Full-time (正社員)

Annual Salary

¥5,670,000 – ¥11,522,000


Aoyama Oval Building 13F, 5-52-2 Jingumae, Shibuya-ku, Tokyo, 150-0001, Japan

Remote work is permitted, though employees must work at the office at least A. three times per week, or B. one time per week. Employees may choose between A and B.


Flextime – 8 hours per day
Core working time is 10am – 4pm




Twice annually (January & July)

  • Japanese national health insurance
  • Transportation costs
  • 6 month probation period, with full pay and benefits
  • Salary includes 30 hours overtime pay (irrespective of whether any overtime is worked)
  • Any overtime beyond this will be paid additionally (though is discouraged)

Employee Empowerment

Here are some examples of the benefits which full-time employees can receive.
N.B. Most have monthly/annual limits per employee.

Know Me

Company subsidized eating/drinking out for colleagues in different teams.

Geek Seek

The company will pay for work-related books, hardware and software you request.
*Only for engineering, R&D, and creative positions.


Company subsidized language lessons.


Company subsidized rent for employees living within 2 train stops of Omotesando or Shibuya stations.


Weekdays can be taken off in exchange for working on weekends/holidays.


This plan provides subsidies for various services that support staff with children up to the sixth grade of elementary school in balancing work and childrearing.

Charge Leave

3 consecutive paid days off between July & October (not deduced from paid holiday allowance).

  • Weekends & national holidays
  • Annual paid holiday
  • New year holiday

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