Frontend Developer

  • Tokyo
  • No Remote
  • Full-time
  • July 8, 2025
Conditions
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¥6M ~ ¥8M /yr
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Apply from Japan Only
(You must live in Japan to apply)
Requirements
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Language Requirements
Japanese: Business Level
English: Fluent
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Minimum Experience
Senior or above

Founded in Tokyo in 2016, PlayBrain develops and fosters communication channels with gamers. From our Tokyo headquarters, we are part of the Japanese gaming community, allowing us to understand the interests and passions directly. With our strong international network, we connect with gamers and businesses involved with games around the world creating unique opportunities in Japan and abroad.

PlayBrain is looking for a front-end engineer for our gaming web platform (taiyoro.gg) and esports analysis service “PLAYDATA.gg”. Taiyoro is developing as a core foundation to the Japanese esports culture, and an engineer joining the team will have the opportunity to help create a strong future for esports in Japan. In addition, you will also be involved in the development of client projects making websites for gaming related promotions and campaigns. The team works mostly in English, with some Japanese. Partial remote work and flexible hours are available for qualified candidates.

 

Responsibilities

  • Front-end coding for a gaming web platform and web tool to support streaming of eSports tournaments
  • Issue management, version control, and code review using Gitlab
  • Teamwork skills (mainly communication skills
  • Write tests that validate the stability and correctness of implementations
  • Handle refactorings with care

 

Requirements

  • 5+ years of frontend development experience using modern frontend frameworks such as React/Next.js
  • Deep understanding of CSS, HTML and an ability to translate designs into clean code
  • A knack for writing clean, readable code
  • Willingness to learn and experiment with new technology
  • Conversational-level Japanese

 

Nice to haves

  • AWS experience (S3 & Lambda)
  • Animations experience (react-springs)
  • Realtime Firebase data base
  • A designer background / styled-components.
  • Python experience
  • Strong testing methodology
  • Shopify experience
  • The experience of headless CMS such as Sanity
  • 3.js or WebGL to help create a stunning/interactive/3d landing page

Playbrain is a leading marketing agency in Japan’s gaming industry.

As a trusted partner connecting game developers, publishers, brands, and gamers, the company offers a wide range of services—including planning and operating esports events, managing its own live-streaming studio and online store, developing products, and providing analytical reports based on streaming data.

With strong multilingual capabilities, Playbrain also has a proven track record in marketing for esports and gamers, as well as in bringing game-related merchandise to the Japanese market.

The company has produced numerous events for popular titles such as League of Legends, eFootball, Rainbow Six Siege, and Brawl Stars.

View PlayBrain's company page

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Frontend Developer at PlayBrain
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