This position is closed and is no longer accepting applications.

Frontend Engineer (Data)

CTW Minato-ku, Tokyo
  • 💴 ¥6M ~ annually
  • 🏢 No remote
  • 🧪 2+ years experience required
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About CTW

CTW Minato-ku, Tokyo

We are Japan’s No. 1 IP game platform company, specializing in creating and distributing browser games. Join us and become part of a passionate tech team working on building cutting-edge technologies in the gaming industry.

Key benefits

  • Creative freedom for developers
  • Feel your contribution
  • We rely on motivation 3.0

About the position

As a Frontend Engineer (Data), you will be responsible for transforming CTW to a data and AI driven company by improving the usability of underlying AI systems for the end user. You will be working closely with cross-functional teams to grow game business operations in global markets.


  • Enhancing the user experience by creating functional, creative and user-friendly web pages
  • Creating complex but intuitive and localized web interfaces
  • Developing reliable applications supported by consistent tests that allow quick integration of new features


  • Master’s degree in computer science or similar
  • 2+ years of related work experience
  • Software development experience in JavaScript and TypeScript
  • Experience in one or more modern web development frameworks like Vue/React/Angular and testing frameworks like Cypress/Jest
  • Strong analytical and coding skills
  • Passion about technologies and solving challenging problems

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience in Nuxt.JS or Next.JS
  • Fulfilling queries with existing data using GraphQL
  • Knowledge of query languages, like mySQL
  • Experience with one or more state management libraries (Redux / Jotai / Recoil / Zustand)
  • Can adapt to fast-paced coding and sprints


Your compensation will be determined based on your experience as well as the whole interview process. Our salary range is as follows:

  • Level 1: 6-9M JPY
  • Level 2: 8-12M JPY
  • Level 3: 10-33M JPY

The first level is for individual contributors (junior positions), while the last level is for senior and management positions.

Hiring Process

  1. 1

    Web test

    You’ll take an online test via HackerRank. If we think you’re an exceptional match, we may skip this step.

  2. 2

    HR interview

    This is a friendly conversation with one of our recruiters where we’re checking that your general vibe matches, and answer any questions you might have.

  3. 3

    Technical screening

    The technical screening typically is two rounds of interviews, followed by an interview with the CTO.

  4. 4

    HRD Interview

    The final interview while be conducted with our Head of HR. You can ask questions, negotiate the salary and talk about the next steps.

  5. 5


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