Develop tools for consumer game production, including launchers, data-entry utilities, Unreal Engine editor extensions, converters and checkers, while supporting middleware and OSS adoption.
About this role
The client-side engineer designs, develops, tests, and operates native games for iOS and Android. Responsibilities include building the development environment, including servers and databases; creating mockups; programming; unit testing; and version control.
The role evaluates the feasibility of game plans and estimates development effort from a system-side perspective, while also proposing improvements to plans. During operation, the engineer works to improve program speed and reduce workload. The position also involves improving native game development skills and sharing technical knowledge within the team.
Applicants must have experience developing content for smartphones or developing consumer games. Preferred experience includes development implementation using Cocos2d-x and C++, Unity and C#, native games for iOS or Android, or Unreal Engine.
The team values game and entertainment content, teamwork in development, and proactive participation in proposing and defining specifications.
This is a full-time regular employee position. The annual salary is determined according to experience, ability, and company regulations; the listed annual salary range is ¥4.5 million to ¥12 million. A semiannual performance incentive is available, and the annual salary includes prescribed overtime and late-night work allowances. Working hours are 10:00 to 19:00, with eight scheduled working hours and a 60-minute break from 13:00 to 14:00. Average monthly overtime is approximately 18.5 hours based on 2025 results.
The work locations are offices in Shibuya and Meguro, Tokyo. The offices are generally non-smoking indoors, with designated heated-tobacco smoking rooms. Holidays include a two-day weekend, public holidays, summer leave, year-end and New Year holidays, annual paid leave, and condolence leave. Health insurance, employment insurance, workers' compensation insurance, and employees' pension insurance are provided for regular employees. Benefits include housing and relocation allowances, child allowance, defined-contribution pension, training and mentoring programs, health support, lunch assistance, and other employee support programs. Side jobs are prohibited. Contract or outsourced arrangements may also be available, with different conditions for leave, insurance, and benefits.
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