1. Home
  2. Careers
  3. Job Openings

Seeking a Part-time worker I or II (W22090)


Tensor Learning Team
Generic Technology Research Group
RIKEN Center for Advanced Intelligence Project
(Laboratory head: Qibin Zhao)

Research field

The Center for Advanced Intelligence Project has been launched with subsidy from Ministry of Education, Culture, Sports, Science and Technology-Japan for “Advanced Integrated Intelligence Platform Project (AIP) -Artificial Intelligence/ Big Data/ Internet of Things/ Cybersecurity-”.
The Center conducts fundamental theoretical research and develops an innovative technology, with aiming to advance science and contribute to society or humanity.
This Center is a project with a maximum of 10 years from FY 2016.

For more information, please refer to the following webpage:
Tensor Learning Team | RIKEN Center for Advanced Intelligence Project

Job title and job description

Job title

Part-time worker, 2 positions

Job description

Development of adversarial machine learning algorithms



Part-time worker I
PhD student
Part-time worker II
Master student


The candidate should be familiar with machine learning methods and has good programing skill.

If a candidate is an overseas student studying in Japan, he/she

  • 1.Can verify having Permission to Engage in Activity other than that Permitted under the Status of Residence Previously Granted
  • 2.Does not have a concurrent position outside of RIKEN
  • 3.Works no more than 28 hours per week

Work location

Branch and address

RIKEN Tokyo Area (1-4-1,Nihonbashi,Chuo,Tokyo)

Salary and benefits

The following rules do not apply if the appointment is to begin on or after April 1, 2023, in accordance with the open recruitment procedure by RIKEN after October 17, 2022.

"The employee’s period of fixed-term employment cannot exceed 5/10 years from the initial date of hire (or 5/10 years from April 1, 2013 for fixed-term employees already at RIKEN prior to this date)."

Hourly wage

Part-time worker I
1,400-1,600 JPN
Part-time worker II
1,100-1,300 JPN

*Hourly wages will be commensurate with qualifications and experience.

Commuting allowance

provided (within a pre-determined range.)

Term of contract

Annual contract, Initial term of contract shall be until March 31, 2023. Contract is renewable upon agreement of both sides until March 31, 2026. RIKEN may adjust the above maximum period of renewability based on a) the employee’s abilities, work load at the time of contract completion, performance and work attitude and b) the continuation of the employee’s center, laboratory or project and RIKEN’s management situation and budget at the time.
Total duration cannot exceed 5 years from the initial date of hire. Please refer “RIKEN employment duration for fixed-term employees” for more details if necessary.

Working days and hours

2 to 5 days, within 35 hours/week with daily working hours either as below:

  • 1. From 9:00 am to 5:20 pm
  • 2.In stipulated one-hour units between 9:00 am and 5:20 pm

(Working hours are negotiable. However, daily working hours cannot be shifted for different days.)


Saturdays and Sundays, Japanese National Holidays, Year-end and New Year (Dec. 29 - Jan. 3), and RIKEN Foundation Day (4th Monday in October).


Worker’s accident compensation insurance applies. Social insurance will be applied depending on the working conditions.
RIKEN has introduced telework as a temporary and special measure to prevent the spread of COVID-19. You may be asked to work from home according to the instructions of the institute. You can also choose to work from home with the permission of your supervisor.

Smoking is not permitted on site except in designated smoking areas. Smoking will be entirely prohibited on site from April 2024.
Other provisions are in accordance with RIKEN regulations.

Application and required documents

Required documents

CV or CV

How to apply

Please make inquiries to the contact address listed below, and then send the PDF formatted application by email at the same contact address.

  • *(RIKEN CV) Write the RIKEN job ad number “W22090”, indicated in the parentheses next to the job title, in the RIKEN job ad number section in the upper right corner of your CV.
  • *(Original CV) Write down in the notes section of your CV the number written next to the title of the job position (e.g. W22090).

The subject line of the email should be "Tensor Learning Team Part-Timer Application Form".
Note: Application documents will not be returned.


Open until the position is filled

Handling Personal Data

Submitted documents are strictly protected under the RIKEN Privacy Policy and will be used only for the purpose of applicant screening. Personal information will not be disclosed, transferred or loaned to a third party under any circumstances without just cause.

Selection process

Application screening and interview for selected applicants

Start of employment

As early as possible

Contact information / Send application to

RIKEN Center for Advanced Intelligence Project
Nihonbashi 1-chome Mitsui Building, 15th floor,
1-4-1 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan
Email: aip-hr [at] ml.riken.jp
For inquiries, please send an email.


Updated as of Nov. 9, 2022: "Salary and benefits"