Main Job Responsibilities

Your main responsibility will be to develop embedded software for amusement machines, which our company is developing under contract.

Our company undertakes development of amusement machines under contract from major manufacturers.

• Production of control programs for lottery, sound, lamps, and movable parts of amusement machines
• Production of control programs for amusement machine visuals

We have stable business relationships with leading IT companies such as Accenture, NTT Data, and Fujitsu. Our employees participate in various client projects as members of a production company. You can acquire diverse skills and know-how that cannot be achieved by staying with one company for many years!

What kind of company is Extreme?

Since its establishment in 2005, Extreme has consistently developed diverse businesses where digital talents such as creators and engineers can thrive. Our business areas are continuously expanding, including game development and operation, app development, web service development, and cloud platforms.

The group has over 600 employees.

We have members in a wide range of professions, including engineers, designers, directors, planners, and PMs.

For each client project, creators and engineers form a team to solve problems. Since you can participate in various projects, the advantage is that you can constantly acquire new skills without fixing your skills. Extreme constantly updates by sharing technologies and know-how among employees, so you can become a creator/engineer who can adapt to changes in the times.

Working Environment

Work Style Reform

Extreme aims to be a comfortable company to work for, establishing various systems such as holidays, various welfare benefits, and creating an environment with a good work-life balance. We also support employees' maternity/paternity leave acquisition and return to work! This environment is suitable for those who want to work with peace of mind for a long time.

• 127 annual holidays
• Average overtime 9.5 hours
• Childcare leave acquisition rate 100% (May 2017 - March 2025)
• Toshima Ward Work-Life Balance Promotion Certified Company (13th term)

Commuting System

Although it varies depending on the project you participate in, 70% of all employees work remotely at least once a week.

Skill Up Support

We have a comprehensive system to help you increase your skills and knowledge.

• Qualification acquisition support system (Information Technology Engineer Examination, Nissho Bookkeeping Test, etc.)
• Business etiquette training
• Employee capability improvement training
• OJT training
• Creator/Engineer & Engineer training
• President's award system
• Book purchase system
• eaTech (theme-based technical training system) and others

Employee Interaction and Discount System

• Club activity subsidies (Game club, Darts club, Basketball club, Light music club, etc.)
• Employee Chokai (a festival event held with all employees participating!)
• C&E Appreciation Gathering (held once a month, gathering employees (creators & engineers) who joined in that month for a social party)
• Discounts available at 40 nationwide resorts, restaurants, and sports facilities
• Club Off system (significant discounts on movie and theater tickets, travel, and restaurants)

For more details on welfare benefits and working environment, please visit our website.

Application Requirements

Required Skills

• Experience in embedded development using C or C++.

Welcome Skills

• Experience in amusement machine development.
• Knowledge of amusement machine systems.

Clients

Based on the brand recognition and credibility of a listed company, Extreme conducts business with many companies in Tokyo, including major IT companies. You can be involved in various projects such as web services and app development, which leads to skill improvement!

Client Examples

• NTT Data Corporation
• SCSK Corporation
• Systena Corporation
• Japan Exchange Group, Inc.
• Shannon Inc.
• ITOCHU Techno-Solutions Corporation
• Sky Inc.
• Suzuyo Corporation
• Seiko Group Corporation
• Teijin Limited
• TDC Soft Inc.
• Digital Information Technology Co., Ltd.
• TOKAI Corporation
• Japan Post Co., Ltd.
• Fujitsu Limited
• Mitsubishi Research Institute DCS Co., Ltd.