This position is closed and is no longer accepting applications.

Fullstack Web Developer

Pafin Chiyoda-ku, Tokyo
  • 💴 ¥6M ~ annually
  • 🏡 Partially remote
  • 🧪 Minimum years of experience unspecified
  • 💬 No Japanese required
  • 🗾 Japan residents only
  • 🧳 No relocation support

About Pafin

Pafin Chiyoda-ku, Tokyo

Pafin provides an investment management platform for individual investors in Japan, known as Cryptact Grid. The first service launched on Grid is Japan’s largest service for profit/loss calculation and tax assistance in cryptocurrencies.

Key benefits

  • Flextime
  • Free Japanese lessons
  • Technical Cofounders

About the position


  • Fullstack web development for our DeFi specific web systems, both for external clients and an internal management.
  • Integrate internal APIs for DeFi into the web systems.
  • Depending on your preference, you will also join DeFi/blockchain related tasks such as Investigate and analyze blockchains, and integrate them into our existing platform.


  • Knowledge and experience in full stack web development using React, Next.js and/or TypeScript.
  • Knowledge and experience in Python or Go

Other welcomed skills

While these are not required, please tell us if you have any of the following.

  • Knowledge and experience in either of, or all of DeFi/Web3/Blockchain.


Starting from 6 million JPY annually. Stock option are also available.

Hiring Process

  1. 1

    First interview

    We’ll check what is written on resume, and are looking for a basic cultural fit. Conducted online.

  2. 2

    Second interview

    We’ll go in depth into tech.

  3. 3

    Final discussion

    You’ll speak with a tech director and the CEO.

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