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 role designs and develops runtime networking systems and tools for game consoles. It also covers the design and development of server-side systems that provide real-time communication.
The position is part of game-engine development and involves networking for game-console and online-game environments. Experience developing games for PlayStation 4, PlayStation 5, Xbox One, Xbox Series X, or PC is welcomed. Experience developing or operating multiplayer online games using real-time communication is also welcomed.
Required qualifications are knowledge of TCP/IP network socket programming and professional experience using C or C++. Experience developing or operating online-game servers with cloud services such as AWS is welcomed.
The successful candidate can organize requirements on both the server and client sides and turn them into workable solutions. The role also calls for a broad perspective and the ability to identify and resolve problems proactively.
The standard working hours are 10:00 to 19:00, including eight hours of scheduled work and a 60-minute break from 13:00 to 14:00. Average monthly overtime was approximately 18.5 hours in 2025. The primary employment type is full-time permanent employment, although contract or outsourced arrangements may also apply in some cases.
Work locations are in Shibuya and Meguro, Tokyo. Both offices are generally non-smoking indoors, with dedicated rooms for heated tobacco products. Full two-day weekends, public holidays, seasonal leave, year-end and New Year holidays, annual paid leave, condolence leave, insurance, training, mentoring, health support, housing assistance, relocation allowance, child allowance, and a corporate defined-contribution pension plan are stated for applicable permanent employees. Side jobs are prohibited.
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