In-house SE

Main Job Responsibilities

You will be responsible for in-house SE and in-house infrastructure operations.

• In-house system development
• In-house infrastructure maintenance
• Help desk operations
• Security measures

Appeal Points

You can gain experience from infrastructure and system operation tasks to vendor control within the assigned team.

Career Plan

In recent years, services and content using the cloud have been increasing, regardless of toC or toB, and the demand for QA engineers is growing. You can challenge various projects according to your experience and preferences.

What kind of company is Extreme?

Since its establishment in 2005, Extreme has consistently developed diverse businesses where digital talent 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 total number of employees in the group is over 600.

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

Creators and engineers form a team for each client project to solve problems. Since you can participate in various projects, you can constantly acquire new skills without specializing in one.

Extreme constantly updates its technology and know-how by sharing it among employees, allowing creators and engineers to adapt to changing times.

Working Environment

Work Style Reform

Extreme aims to be a comfortable company to work for, establishing various systems such as holidays, vacations, and various welfare benefits to create an environment with a good work-life balance. We also support employees taking and returning from maternity and childcare leave! This environment is suitable for those who want to work long-term with peace of mind.

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

Commuting System

While it varies depending on the project you join, 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 (e.g., Information Technology Engineer Examination, Nissho Bookkeeping Test)
• Business etiquette training
• Employee capability improvement training
• OJT training
• Creator/Engineer & Engineer training
• President's Award system
• Book purchase system
• eaTech (theme-specific technical training system) and others

Employee Interaction and Discount System

• Club activity subsidies (e.g., game club, darts club, basketball club, light music club)
• Employee Super Meeting (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 resort facilities, restaurants, and sports facilities
• Club Off system (significant discounts on movie and theater tickets, travel, and restaurants)

Please visit the website for more details on welfare benefits and the working environment.

Application Requirements

Required Skills

• Practical experience as an in-house SE or in-house infrastructure engineer
• Experience in IT network or infrastructure design, construction, operation, or maintenance
• Experience in PC kitting
• Experience in handling inquiries from both internal and external parties
• Windows server operation

Preferred Skills

• Over 3 years of experience in the required conditions

Clients

Based on the name recognition and credibility of a listed company, Extreme has dealings 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.
• SHANON Inc.
• ITOCHU Techno-Solutions Corporation
• Sky Inc.
• Suzuyo Corporation
• Seiko Group Corporation
• Teijin Limited
• TDC Soft Inc.
• Digital Information Technology Corporation
• TOKAI Corporation
• Japan Post Co., Ltd.
• Fuji Soft Inc.
• Mitsubishi Research Institute DCS Co., Ltd.

Employment Type Details

Full-time Employee

• Probationary period of 6 months (salary and treatment remain unchanged during this period)

Contract Employee

• Renewed every 2 to 6 months (possibility of conversion to full-time employee)
• Most contract employees transition to full-time after a certain period.

Working Hours

For headquarters: 9:30 - 18:30 (break time 12:30 - 13:30, actual working hours 8 hours)

*May vary depending on the assigned project (e.g., 10:00 - 19:00, 1 hour break, etc.)

Overtime Work

Average overtime 10.9 hours/month

*Varies depending on each project site.

Salary Increase

Full-time Employee

• Once a year (June) *Salary revision

Bonus

Full-time Employee

• Twice a year (July, December) *Assessment starts after the probationary period ends
• Not provided to contract employees.

Holidays/Vacations

• 127 annual holidays
• Complete two-day weekend system (Saturday and Sunday)
• Public holidays
• Year-end and New Year holidays
• Summer vacation
• Condolence leave
• Paid leave
• Maternity leave
• Childcare leave (100% return rate)
• Nursing care leave
• Company establishment anniversary *May 6

Benefits

• Comprehensive social insurance (employment, workers' compensation, health, welfare pension)
• Commuting allowance (up to 50,000 yen per month)
• Job allowance
• Position allowance
• Qualification acquisition support system (e.g., Information Technology Engineer Examination, Nissho Bookkeeping Test)
• Health check-ups
• Life plan allowance (defined contribution pension plan)
• Incentive system
• Childbirth and childcare additional payment
• Discounts available at 40 nationwide resort facilities, restaurants, and sports facilities
• Club activity subsidies (e.g., game club, darts club, basketball club, light music club)
• Employee Super Meeting (a festival event held with all employees participating!)
• Club Off system (significant discounts on movie and theater tickets, travel, and restaurants)
• Medical subsidy (partial reimbursement of medical expenses if they exceed a certain amount due to hospitalization or prolonged outpatient visits)
• Business etiquette training
• Employee capability improvement training
• OJT training
• Creator/Engineer & Engineer training
• President's Award system
• Book purchase system
• Relocation support fund system
• All property brokerage fee discount service

Skills Acquired Through Work

Extreme's business model consists of three pillars: “Digital Talent Business,” “Contract Development Business,” and “Content Property Business.” In addition to developing in-house products, including content property business and group companies, you will be responsible for client projects, allowing you to constantly acquire new skills without specializing. Becoming a true digital creator/engineer who can thrive in a rapidly changing era is a major benefit gained at Extreme.

Number of Hires

About 10 people

Selection Process

Entry

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Document Screening

Document screening will be conducted based on the submitted entry information, resume, and work history.

*Includes portfolio for designers

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Interviews (1-2 times)

Those who pass the document screening will have an in-person or web interview with our interviewers.

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Offer (Offer letter sent)

For those who accept, a session will be set up to explain the onboarding process.

*Necessary documents will be provided during the onboarding explanation.

Company Profile

As a “Digital Creator/Engineer Production,” we are a true professional group aiming to establish the social position of engineers by solving client problems.

Extreme is not merely a dispatch company for technical employees; through its Digital Talent Business, Contract Development Business, and Content Property Business, it creates working opportunities and career paths for technical employees, both internally and externally.

Extreme gathers many excellent creators and engineers and maintains stable relationships with over 300 companies, including major corporations like Bandai Namco Group, Recruit Group, and Rakuten Group.

Since its listing in 2014, with the increase in employee numbers, the company has achieved steady growth in performance and aims to be listed on the Tokyo Stock Exchange Prime Market in the near future. Going forward, by participating in even more excellent clients and projects, we can further enhance the track record of our technical employees.