Full Stack Mobile App Developer (React Native)

Tokyo
Partial Remote
Full-time
September 9, 2023

What you’ll bring

Required:

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)

Preferred:

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.

Benefits

Competitive salary package
Social insurance
Work-related expenses
Creative, collaborative, and supportive work environment
Flexible work hours/arrangements

Notes

There is a 6 month contract period before converting to full-time employment.
We are currently based in the Daikanyama area of Tokyo.

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About Callback

Callback is a one-stop platform for NFT communities. Our mission is to help create stronger and more engaged communities.

Callback makes managing NFT communities easy by providing a powerful, interoperable, no-code NFT toolkit. Core tools include NFT creation and distribution, token-gated forms, raffles, and voting. Callback also provides a lightweight mobile wallet to help new users collect their first NFTs (gasless) and connect to Dapps with ease.

We've helped brands like Suntory, AMBUSH, WIRED, ANA NEO, Mitsubishi Estate, Shibuya City and Digital Garage create NFT solutions to enhance their communities.

Our team (currently 10) have graduated from Stanford and Harvard and have worked at companies like Palantir and Meta. We're backed by Sozo Ventures, gmjp, Digital Garage and angels including Keisuke Honda and Justin Waldron.