• Full-time

Publication date： 2026.11.04

[Agency/Tokyo] Game Development & Operations / Programmer (Client)

  • System Engineers / Infrastructure Engineers / Web Engineers / Game Developers
  • Tokyo
  • Salary： JPY 4,500,000 - 10,000,000
【紹介会社/東京】ゲーム開発・運用/プログラマー(クライアント)
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 The work we would like you to take on is programming work across a wide range of game content, including smartphone game apps, home console games, and PC games.
・In-game implementation (AI design/implementation/character control/production implementation, etc.)
・Out-game implementation (UI implementation/screen transitions/synthesis/evolution screen implementation, etc.)
・API implementation
・Development environment setup
・Game engine development
・Plugin development, etc.・Negotiations with external parties or other departments・Other related duties
※The above client-side work is not all-inclusive; you will be assigned to one of these duties based on your past experience and aptitude.
We have stable business relationships with top companies leading the game industry, including Bandai Namco Group, Sega Group, and Konami. As a member of our production company, you will take part in projects for various clients, and you will be able to acquire a diverse range of skills and know-how that cannot be achieved at just one company!
応募資格Requirement ■Practical experience in game projects: 48 months
■Practical experience in 3D game development projects: 12 months
■Experience in in-game development within the last 4 years: 24 months
■Practical programming (coding) experience: 24 months
■C++ development experience: 24 months, or C# development experience: 36 months
■Unreal Engine4, 5 development experience: 24 months, or Unity development experience: 36 months
■Development experience for smartphone, console, arcade, or PC games: 24 months
※Casual-game-only experience is not accepted.

[Preferred requirements]
■iOS/Android app development experience
日本語力Japanese level Business
雇用形態Employment type Full-time
勤務エリアLocation Tokyo
勤務時間Working hours 9:30-18:30 / 10:00-19:00
想定年収Salary JPY 4,500,000 - 10,000,000
条件・待遇Condition [https://www.e-xtreme.co.jp/career/environment/benefits/](https://www.e-xtreme.co.jp/career/environment/benefits/)

[Age]
45 years old or under
[Salary]
Monthly salary: 300,000 yen ~ 666,000 yen
Annual salary: 4,500,000 yen ~ 10,000,000 yen
*Includes fixed overtime pay
[Employment type]
Regular employee or contract employee
*Determined at the time of job offer according to the individual's preference and career history
Considering and giving preference to previous employment, experience, and abilities, determined according to company regulations.
For regular employees, after joining (salary revision once a year), performance is fairly evaluated and 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)
*May differ depending on the assigned project (e.g., 10:00 ~ 19:00, break time 1h, etc.)
[Number of hires]
Approximately 10 people
Expected annual salary: 4,500,000 yen ~ 10,000,000 yen
*Employment type: Regular employee or contract employee (determined at the time of job offer according to the individual's preference and career history)
Employment type: Regular employee
[Work location]
"Tokyo and surrounding areas of Tokyo"
Ikebukuro head office or assigned project (client) sites in Tokyo and surrounding areas
*If the client has a work-from-home system, we may ask you to work from home.
選考についてProcess Application
↓
Document Screening
Screening will be conducted based on the application information you submitted, as well as your resume and work history.
※For designers, the portfolio is also included.
↓
Interview (1–2 rounds)
Candidates who pass document screening will be interviewed by our interviewers, either in person or via web.
↓
Offer (conditions notice will be sent)
For those who accept, we will arrange an opportunity to explain the onboarding process.
※Required documents will be provided at the onboarding explanation.
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