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 freelance frontend engineer will be assigned to one or more of three areas according to suitability: operation and development of web browser games, operation and development of web services, or website production. The work involves coordinating with planners, designers, server-side engineers, infrastructure staff, and other related teams to develop and maintain content.
Required experience includes at least three years of practical work using HTML5, CSS3, and JavaScript or TypeScript, plus at least two years of practical experience using one or more of React, Next.js, Vue.js, Nuxt.js, Svelte, or SvelteKit.
The development environment may differ by assignment. Named technologies and tools include HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue.js, Nuxt.js, Svelte, SvelteKit, MUI, Tailwind CSS, WordPress, microCMS, Kuroco, GitHub, PHP, FuelPHP, Laravel, Smarty, AWS, and Docker.
Preferred experience includes browser game development, new website or landing-page development, UI/UX design, Astro, Figma, Photoshop, headless CMS, WebGL, WebGL2, WebGPU, GSAP, Pixi.js, CreateJS, Three.js, Selenium, Playwright, performance tuning for lightweight delivery or improved UX, and observability tools for measurement and error tracking.
The position is an outsourced contract. Monthly compensation is listed as 250,000 to 900,000 yen, with working location, workload, and compensation to be discussed in an interview. Listed support programs include communication activities, training and skill-development programs, influenza vaccination, an in-house osteopathic service, free soft drinks, and lunch support.
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