• Full-time

Publication date: 2026.11.04

[Referral agency/Osaka] IT/App Engineer

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Osaka
  • Salary: JPY 5,000,000 - 9,000,000
【紹介会社/大阪】IT/アプリエンジニア
職種Position System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
会社概要Company profile As a "digital creator production company," we aim to establish the social standing of engineers through solving our clients' challenges and through our own products, as a group of true professionals.
 Our company is not simply a staffing company for engineers. Through our Digital Talent Business, Contract Development Business, and Content Property Business, we create work opportunities and career opportunities for engineers, both inside and outside the company.

 Many talented engineers gather at our company, and by clustering our talent, we maintain stable business with more than 300 companies at all times, including major companies such as the Bandai Namco Group, the Recruit Group, and the Rakuten Group.

 Since our listing in 2014, along with the increase in the number of employees, we have steadily achieved growth in our business performance, and in the near future we aim to list on the Tokyo Stock Exchange Prime Market. Going forward, by participating in even better clients and projects, we can enhance the track record of our engineers.
仕事内容Job description As the position you would be entrusted with, you will be responsible for engineering work related to applications, including development, operation and maintenance, and release of Android and iOS apps.
・Development, operation and maintenance, and release of iOS apps
・Development, operation and maintenance, and release of Android apps
・Planning, design, prototyping, and development of newly added features
・UIUX (user interface/user experience) improvement proposals
・System design and development of new apps
・Improvement of app speed and error and crash rates, etc.
We maintain stable transactions with a wide range of companies, including industry-leading top companies such as CTC, SCSK, Sky, and Teijin in IT, and Accenture and Shannon in web.
As members of our production company, our employees take part in projects for each client company and can acquire a diverse range of skills and know-how that cannot be gained by staying at one company for many years!
応募資格Requirement ■Swift, Kotlin, Andoroid Java, Flutter development: 18 months
■Experience in developing, operating, and releasing native apps: 6 months
日本語力Japanese level Business
雇用形態Employment type Full-time
勤務エリアLocation Osaka
勤務時間Working hours 9:30-18:30 / 10:00-19:00
想定年収Salary JPY 5,000,000 - 9,000,000
条件・待遇Condition [https://www.e-xtreme.co.jp/career/environment/benefits/](https://www.e-xtreme.co.jp/career/environment/benefits/)

[Age]
58 years old or under
[Employment type]
Regular employee or contract employee
*Determined at the time of job offer according to the applicant's preference and career history
Previous employment, experience, and abilities will be favorably considered, and compensation will be determined according to company regulations.
For regular employees, after joining (salary revision once a year), actual performance will be fairly evaluated, and compensation will be determined according to company regulations.
[Working hours]
For the Extreme head office: 9:30–18:30 (break time 12:30–13:30, actual working hours 8 hours)
*Depending on the assigned project, hours may differ (e.g., 10:00–19:00, break time 1h, etc.)
[Number of hires]
Approximately 10 people
[Salary]
Expected annual salary: 5,000,000 yen to 9,000,000 yen
*Employment type: Regular employee or contract employee (determined at the time of job offer according to the applicant's preference and career history)
Employment type: Regular employee
[Work location]
Client project sites (assigned projects) centered on the Kinki region, mainly Osaka Prefecture
*If the client has a remote work system, we may ask you to work remotely.
選考についてProcess Application
↓
Document Screening
Screening will be conducted based on the application information you submitted, along with your résumé and work history (shokumu keireisho).
※ For designers, the portfolio is also included.
↓
Interview (1–2 rounds)
Candidates who pass document screening will be interviewed in person or via web by our interviewers.
↓
Job Offer (conditions notice will be sent)
For those who accept, we will arrange an explanation session for joining the company.
※ Required documents will be provided at the joining explanation session.
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