This position is closed and is no longer accepting applications.

Full-Stack App Developer

Callback Tokyo
  • 💴 No salary range given
  • 🏢 No remote
  • 🧪 Minimum years of experience unspecified
  • 💬 No Japanese required
  • 🌏 Apply from abroad
  • 🧳 Relocate to Japan

About Callback

Callback Tokyo

We provide a platform for partners to deploy NFTs and a mobile app to let end users collect and interact with those NFTs. Our partners include Digital Garage, WIRED, ANA NEO, Keisuke Honda, M-Flo, Shibuya-ku and Mitsubishi Estate.

Key benefits

  • Tight-knit engineering team
  • Explore cutting-edge web3 tools
  • Immediately impact the product

About the position

We’re hiring a full-time full-stack react native developer to join our software engineering team. As an engineer, you’ll be working with our team on continuing to develop our mobile app’s front-end and back-end. You should also be able to effectively communicate and work well within the team regarding app development.

In addition, we want you to bring your creative mind and entrepreneurial spirit. You will have the opportunity to support other aspects of the company, such as business development, marketing, or product design. As an early employee, you’ll be integral to shaping the company’s future direction.


  • 3+ years of software engineering experience with Bachelor’s degree
  • 2+ years of experience with React/React Native front-end and back-end
  • Experience with cloud services
  • Experience with node.js, Express, and REST APIs
  • Ability write testable, scalable, and efficient code
  • Excellent interpersonal communication skills, team collaboration, and organizational skills
  • Highly adaptive, self starter, creative problem solver
  • Fluency in English, both spoken and written

Nice to haves

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

  • Good understanding of Web3
  • Experience with Firebase/Google Cloud Platform
  • Product design experience


¥7 – ¥13 million annually.

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