Message from Human Resources Department

J-Devices is a company supporting the foundation of the leading-edge electronics industry through Assembly & Test service. The demand for our business has been expanding along with the remarkable development within the industry. We believe that our future growth depends on securing excellent employees of high ability. We are looking for persons who will work for the continuous growth of our company as well as for their own personal growth.


We established a joint venture together with Toshiba and Amkor Technology and changed the company name to J-Devices Corporation in October, 2009.
We made a new start with the world's class technology, aiming to gain global share for Japanese semiconductor business.
Having Amkor's support for procurement of materials as well as our cost reduction, we will brush up our technology and would like to lead Japanese semiconductor manufacturing. Our purposes are to improve existing process with venture spirits and establish what only we can do. We need "Challenging spirit" and "Creative ideas" from all of our engineers and staff.

HR Principle of J-Devices

Heart and Discipline
We fully support our employees from HR standpoint and respect the individual. We manage business with heart and discipline to actualize our corporate policies.

Heart and Discipline

Respect for people

Protect life

Support employees' growth (as well as growing on their own)

Recruitment of Experienced

JD, one of the biggest semiconductor back-end manufacturers in Japan, has had a solid track record in assembly and test, armed with technology accumulated throughout our history. We are now increasing the number of our employees in order to achieve our objective of gaining an increased future world market share as part of our business expansion, ongoing since the company reorganization in 2009.

Recruitment information

Job Description 1. Product planning / Test planning
・Product planning of semiconductor package (experienced one or more of following work over 3 years)
 Assembly (Memory/Logic), Product technology, Package design, Lead frame/Substrate design
・Test business planning (experienced one or more of following work over 3 years)
 Evaluation (Logic), Test technology development, Test program development, Test strategy, Investment affair
2. Package development engineer of Power/Analog devices
 Development/planning of Power/Analog devices, Package design, Materials/Process development,
 Analysis of electricity/thermal/stress
Eligible candidates Work experience in the above fields
Employment status Full-time employee
Work location -Yokohama city, Kanagawa prefecture
 (Product planning /Test planning, Package development engineers of power/analog devices)
-Oita prefecture (Test planning)
Salary According to JD's regulations, experience considered
Benefits Overtime payment, Commuter allowance, Family allowance, Allowance for working in Keihin area
Bonus Twice /year
Work hours 8:00-17:00, 8:15-17:15 (8 hours), Flex time system
Holidays and vacations 115 days off /year
Social insurance Health insurance, Welfare pension, Employment insurance, Workers accident compensation insurance
Welfare program Company housing for relocation, Retirement allowance, Cafeteria, Asset accumulation savings, DC (defined contribution pension plan), Compensation for celebration/condolence
Training Training for new employees, Stratified training, Safety and health, Security, Environmental training, Quality education and etc.
Others Commute by own car (except Yokohama Head Office)
Contact J-DEVICES CORPORATION Yokohama Head Office
Human Resources DEPT.
In charge of recruitment: Mr. Uchiwa
New Stage Yokohama Bldg, 17F, 1-1-32 Shin-Urashimacho, Kanagawa-ku,
Yokohama, Kanagawa 221-0031 Japan
Tel: 045-594-6446
How to Apply Please send your personal and career resume to the above address.
After the paper screening, successful applicants will be given a first interview.