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【ISAO】Back-end Engineer position
  • Software Engineering
  • Database Administration
  • Database Development
  • IT Architecture
  • IT Project Management
  • Information Engineering
  • Software Development
  • System Engineering


We are looking for people who can work and grow together on the server side, which is becoming more sophisticated every day.
With cloud environments such as Azure and AWS mainly, we hope that our company will be able to create new web services with its accumulated know-how and your technical capabilities.

Key roles:
・Requirements defining, designing, developing, and releasing for new web services
・Operational maintenance including addition of functions of existing web services
・Proposals to increase the market value of services
*In principle, we do not work permanently or dispatch staff to other companies.



  • C++
  • Java
  • Microsoft Azure
  • MySql
  • NoSQL
  • Oracle
  • PHP
  • Perl
  • Postgres SQL
  • Python
  • Ruby

・Experience in mid- to large-scale service development and operations including infrastructure (3 years ore more)
・Architecture design of Whole system (3 years or more)
・Development and operation experience in a cloud or virtual environment (3 years or more)
・Experience of system development using server side languages (5 years or more)
→ ex. C++, PHP, Ruby, Java, Python, Go,
・Experience in design and operation of SQL database infrastructure (3 years or more)
→ ex. MySQL, PostgreSQL, NoSQL

・Zero-Based Service Development
・Analysis of service quality and countermeasures
・Analysis and improvement of development operation cycle
・Test Driven Development (TDD) Practice
・Management experience of the engineering team
・Can negotiate with clients

【Ideal candidate】
・Applicant who can strongly relate to ISAO's Mission, Vision, and Spirits
・Contribute and communicate ideas within a team efficiently
・Possess strong logical thinking
・Positive and optimistic
・Possess strong leadership

Language level

  • - English / Business /
  • - Japanese / Conversational /


Estimated annual salary

5,100,000 - 8,800,000 Yen

Monthly salary JPY 310K ~ (35 hours overtime fixed allowance 67,773 yen included) + bonus etc ※
※ In case of more than 35 hours overtime per month, we will separately pay for overtime
※ Bonus changes due to business situation

[Example of annual salary (yen)]
・3rd year engineer (30s) : 7.7 million
・3rd year engineer (40s ): 11.5 million
・4th year sales (30s) : 7.7 million

Holiday allowance and late-night allowance are provided separately

Transportation expenses separately provided (upper limit month 150,000 yen)

Salary revision: twice a year-(possible to upgrade at any time according to growth)

Trial period: 3 months


Flex time system(Core time 10:00-15:00)

Two-day holiday (Saturday and Sunday), holidays, summer and winter holidays, paid holidays, special holidays, etc.
Various insurances, indoor principle non-smoking (smoking room available)

Selection process

CV screening→interviews(several times, including technical test)

This service is administered by Connect Job Taiwan in coordination with 日鏵國際企劃股份有限公司(JPTIP Co., Ltd.).


Tokyo Japan

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>> 合否連絡に関して

>> Pass/Fail notification
Only those who have passed the application screening will be notified of the results.
In addition, those who have passed the selection process will be contacted as soon as the results are confirmed.
Please note that we may not be able to inform you of the selection results in a timely manner. Thank you for your understanding.



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