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Updated 2025-04-28
Activated 2025-04-22

[System development engineer] Tokyo metropolitan area ~ Possesses approximately 22,500 PJTs including development of web/smartphone apps, etc./Realizes your ideal career ~

This posting is managed by: iHOLON Co.,Ltd
Company Name Company is not publicly visible
Job Type
iHOLON Co.,Ltd
IT (PC, Web, Unix) - Front-End Engineer
Location Asia Japan Saitama

Job Description ■Our company’s appeal
~Prime case rate 73%! Development of web/smartphone apps, etc./Achieving your ideal career~

Through dealing with customers in a wide range of industries, you will acquire skills at your assigned location depending on your desired career path.
The work of system development engineers spans a wide range of areas, from upstream processes such as requirements definition, basic design, and detailed design to downstream processes such as programming, testing, delivery, maintenance, and operation.
Just like climbing the stairs one step at a time, in order to reach where you want to be (the image of an ideal engineer),
While sharing information with your superiors and sales staff, you can make career changes and advance your career.
You are never alone, let’s aim high together!

[Project example]
Project ①: Development of a web system for job change support (BtoB)
Business content: General development work with a focus on product and service success in Agile/Scrum development
Conducting reviews of various deliverables such as design and source code
Process: Requirements definition - basic design/detailed design - development - unit test - integration test (agile development)
Technologies used: Java, C#, ASP.NET, Oracle, Windows Server, Git
Work style: 100% remote, 0% coming to work

Project ②: Development of web system for real estate companies (BtoC)
Business content:
Development of MyPage for consumers at a major real estate company (specification research, inquiries, troubleshooting, man-hour estimation, program development) Participated in customer-facing meetings and made specification adjustments, etc.
Process: Investigation/analysis, requirements definition to maintenance
Technologies used: PHP, JavaScript, Laravel, MySQL, AWS
Work style: 80% remote, 20% at work

Persol Cross Technology, which was born on January 1, 2023, aims to improve the productivity of people and organizations, pursue diverse ways of working for engineers, and solve social issues by bringing about changes in the way people work.

In the research and development/manufacturing field, we provide model-based development (MBD) for the design, development, and testing of automobiles, aerospace equipment, home appliances, and robots, and in the IT field, we provide system development, infrastructure design, evaluation verification services, etc. for a wide range of industries, mainly in the information and communications, IT/Internet, and EC fields. Furthermore, we are actively working on utilizing the latest technologies such as RPA, IoT, UWB, drones, and security, whose demand has been increasing in recent years.

In addition, in order to develop human resources who can work as engineers throughout their lives, Persol Cross Technology conducts various training programs based on the latest technological trends. In the fields of research and development, manufacturing, and IT, we offer a variety of educational environments, including group training, e-learning training, and training that incorporates remote learning, so that all engineers can be active with the latest and best technology. In addition, our training includes ``technical skills training,’’ which aims to improve specialized skills, and ``business skills training,’’ which aims to improve our abilities as members of society.We strive to develop engineers who have not only technical skills, but also human skills and communication skills.

〜Have approximately 22,500 PJTs including development of web/smartphone apps, etc./Realize your ideal career〜

■Recruitment background:

At Persol Cross Technology, we will contribute to improving the productivity of our customers, pursue diverse work styles for engineers, and create the world’s most comfortable company to work in.
In the IT field, we do business with customers in a wide range of industries, mainly in the information and communications, IT/Internet, and EC fields, and provide comprehensive services from upstream to downstream processes.
This term, in order to further strengthen our overall system, we are actively recruiting experienced developers who can lead the project. If you want to be involved in upstream processes, if you are interested in training juniors, PM/PL, or if you want to hone your development skills in various industries, we have fields in which you can work, so we look forward to your application!

~Prime case rate 73%! Development of web/smartphone apps, etc./Achieving your ideal career~

■Job details:
As an employee of our company (Persol Technology Staff), you will provide technical support to our clients.
<Employment client/example>
・Major financial system
・Major EC site company
・Major IT service company
・Major affiliate management company
・Major web business company
・Major SIer
・Major general contractor
・Major game company
・Major foreign-affiliated companies
・Major logistics company
・Major amusement equipment company
*Many sites allow you to work directly with end users.
*Basically, you will be working at the site where our members and staff are working.
*Some companies employ 5 to 8 people per company.

<Project/Example>
・Next-generation card payment system migration development (from PHP to Java)
⇒Java, MySQL, Linux/Basic/Detailed Design ~ Implementation ~ Testing
・Gourmet review site development
⇒Ruby, JavaScript, MySQL, Linux/Detailed design to operation
・Curation media development
⇒Ruby on Rails, MySQL, Linux, MacOS/Detailed design ~ Implementation ~ Testing ~ Operation
・App development for iOS and Android
⇒Java, Oracle, iOS, Android/Detailed design ~ Implementation ~ Testing
・iOS drone operation application development
⇒Swift, MySQL, iOS/Detailed design ~ Implementation ~ Testing
・WEB system development
⇒PHP, JavaScript, Mac, docker, git/detailed design ~ implementation ~ evaluation
・Major telecommunications carrier portal site development (migration from on-premises environment to AWS)
⇒PHP, MySQL, Linux/Basic/detailed design to implementation
・In-house IoT service system development
⇒Linux, Windows, PHP, C#, Java, Ruby, MySQL, SQLServer, Azure/Basic/detailed design - implementation - testing

■Characteristics/Attractiveness:
Through dealing with customers in a wide range of industries, you will acquire skills at your assigned location depending on your desired career path.
From upstream processes such as requirements definition, basic design, and detailed design, to downstream processes such as programming, testing, delivery, maintenance, and operation.
The work areas of system development engineers are wide-ranging.
Just like climbing the stairs one step at a time, in order to reach where you want to be (the image of an ideal engineer),
While sharing information with your superiors and sales staff, you can make career changes and advance your career.
You are never alone, let’s aim high together!
Company Info Capital: 495,000,000 yen
Number of employees: 5001 or more
Listed: Unlisted
Established: 1979
Job
Requirements		 ■Required conditions:
<Academic background>
High school graduate or above

<required>
Those with 3 or more years of development experience in one of the following languages:
Java, PHP, Python, C#, Ruby, Go, Swift, Kotlin, JavaScript, TypeScript
FW required

<Welcome>
Cloud, Agile development experience
Project leader and project manager experience
Japanese Level Fluent(JLPT Level 1 or N1)
Salary JPY - Japanese Yen JPY 4000K - JPY 7000K   
Other Salary
Description		 Salary details:
■Estimated annual income: 4.8 million to 6.7 million yen
■Monthly salary: 290,000 yen to 430,000 yen
*Decisions will be made in accordance with our company regulations, taking into account experience and age.
*Excess overtime will be paid separately in 1-minute increments.

*Full transportation expenses paid

[Salary structure]
"Basic salary" + "Regional allowance" = "Monthly salary"
*Closing at the end of the month → Payment on the 25th of the month
*Basic salary will not change during the 3-month trial period.

Welfare benefits:
◆Salary increase available
◆Bonus twice a year
◆Various technical support
◆Property accumulation savings system
◆Defined contribution pension, etc.
Holidays Flex holiday (3 days/year)
Job Contract
Period		 [full-time employee]
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