Lead Frontend Engineer

This role leads frontend development for a business-facing Web3 wallet and related products supporting on-chain finance, including stablecoins, tokenized deposits, and a DataPrivacy solution. The position contributes to the planning, development, and growth of products intended to serve as important infrastructure for on-chain finance.

As a central member of the wallet frontend team, the engineer designs and maintains the frontend architecture and helps drive product growth. Responsibilities include designing and implementing the Platform area, including a policy engine and administrative screens. The role also covers implementation for adding blockchain chains, displaying NFTs, and supporting browser extensions.

The engineer integrates Web3 standard protocols such as WalletConnect and designs frontend security measures. Named security topics include protection against XSS, CSP, and signature flows. The work also includes improving the test setup and optimizing application performance.

The role requires close collaboration with the product manager and designer to improve the wallet user experience. A stated objective is to provide a high-quality UX without exposing users to the underlying complexity of Web3 systems.

The work is related to Datachain’s blockchain infrastructure research and development, which has been conducted since the company was founded in 2018. The broader product context includes digital assets and the planned tokenization of real-world assets such as shares, bonds, and real estate.

The position is primarily remote. When working from an office, the listed location is Roppongi Grand Tower 35F, 3-2-1 Roppongi, Minato-ku, Tokyo. The posting states that the work location may change to locations designated by the company, including places where remote work is performed.