Cysharp

Cygames

Backend

C#

AWS

Azure

About this role

This role supports the implementation of game server backends using C#. Depending on preferences and skills, the work may also include developing an undisclosed SaaS product supporting Unity and .NET development, and developing C#-related open-source software.

Required qualifications include strong enthusiasm for C#, experience designing and developing backends with C#, and experience developing class libraries. Preferred experience includes C# game server development, Unity game client development, open-source development, publishing technical articles about C#, speaking at conferences or study groups, and building infrastructure with cloud services such as AWS or Azure.

The development environment includes C#, Rust, and TypeScript; MagicOnion, ASP.NET Core, and Blazor; MySQL, PostgreSQL, and Redis; GitHub for source code management; and AWS and Azure for infrastructure.

The position is employed by Cysharp and is not a secondment from Cygames. The standard employment type is full-time permanent employment, although the posting states that some hires may start under a contract or outsourced-work agreement. Annual compensation is determined according to experience, ability, and company regulations, with stated annual compensation of 4,000,000 to 10,000,000 JPY. The annual amount includes scheduled 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. The workplace is in Shibuya, Tokyo, and is generally smoke-free indoors, with a designated heated-tobacco smoking room. Leave includes a two-day weekend, public holidays, summer leave, year-end and New Year holidays, annual paid leave, and condolence leave. Social insurance includes health, employment, workers' compensation, and employees' pension insurance; these conditions may differ for outsourced-work agreements.

This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.