Full Stack Mobile App Developer (React Native)

  • Tokyo
  • Partial Remote
  • Full-time
  • December 23, 2023
6,000,000 - 8,000,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Fluent
Minimum Experience
Junior or above

What you’ll bring


  • 3+ years of software engineering experience with a 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 to 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.

  • Living in Japan (We provide Japanese work visa sponsorship)


  • Understanding of Web3 and Ethereum

  • Experience with Firebase/Google Cloud Platform

  • Product design experience

  • Japanese proficiency

What you’ll do

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.

Our team communicates in English, but knowing Japanese is a plus. We prefer you to be living in Japan, but are open to international applicants and will assist with a Japanese work visa sponsorship and travel.


  • Competitive salary package

  • Social insurance

  • Work-related expenses

  • Creative, collaborative, and supportive work environment

  • Flexible work hours/arrangements


  • There is a 6 month contract period before converting to full-time employment.

  • We are currently based in the Daikanyama area of Tokyo.

Callback is a next-generation loyalty platform for in-person retail and events.

Callback is committed to giving retailers new and better tools to attract and retain loyal customers. They've established a curated network of partners in Japan (our initial target market): well-followed small stores, popular brands like Ambush, and key large partners like Tokyo Dome for entertainment, SMBC for sports, and Shibuya City for local initiatives. The founders of Callback are recent Stanford and Palantir alum, and their previous investors include Sozo Ventures, Digital Garage, gmjp, and Keisuke Honda.

View Callback's company page

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Full Stack Mobile App Developer (React Native... at Callback