Frontend - Lead Engineer (Stablecoin Business)

Job Overview

1. The Blockchain Market and Our Challenge

Since our early days, we have focused heavily on R&D in blockchain infrastructure. Through these efforts, we have successfully developed technology that enables secure, cost-efficient, and scalable interoperability between different blockchains.

This technology is highly innovative on a global scale and has received strong recognition, including from SWIFT (Society for Worldwide Interbank Financial Telecommunication).

Leveraging this technology and our deep expertise in blockchain, we are advancing businesses related to blockchain-based finance and digital currencies, including stablecoins and tokenized deposits.

2. Products You Will Work On

You will lead the planning, development, and growth of products that are expected to become critical infrastructure for on-chain finance, including our recently announced enterprise Web3 wallet and Data Privacy solutions.

3. Mission

As a core member of frontend development for our Web3 wallet product, you will play a key role in driving product growth.

Your mission is to take ownership of frontend architecture while working closely with designers to deliver a high-quality wallet user experience that makes the complexity of Web3 feel seamless and intuitive to users.

4. Key Responsibilities

• Design and implement frontend applications for platform-related features, including policy engines and administrative interfaces
• Implement support for additional blockchain networks, NFT display functionality, and browser extensions
• Support Web3 standard protocols such as WalletConnect
• Design and implement frontend security measures, including XSS prevention, CSP, and transaction signing flows
• Improve testing frameworks and optimize frontend performance
• Collaborate with Product Managers and designers to continuously improve the user experience

5. About Datachain

Since its founding in 2018, Datachain has continued to invest in R&D as a Japan-born global deep-tech company, with the goal of creating infrastructure that becomes the de facto industry standard.

As we prepare for a future in which real-world assets (RWAs) such as equities, bonds, and real estate are increasingly represented as digital assets, we are accelerating the development of next-generation financial infrastructure.

We are hiring for this position to strengthen the frontend engineering capabilities that will play a central role in building this infrastructure.

Required Qualifications

• 5+ years of professional experience as a frontend engineer
• Production development experience using React and TypeScript
• Experience designing frontend architecture, including state management, directory structures, and testing strategies
• Proven experience implementing frontend applications with security considerations, including XSS, CSRF, and CSP

Preferred Qualifications

• Professional experience with Web3 or blockchain-related products, such as MetaMask or WalletConnect
• Experience developing browser extensions, including Chrome Extensions and Manifest V3
• Hands-on experience using Web3 libraries such as ethers.js, viem, or wagmi
• Experience building and maintaining design systems

Ideal Candidate Profile

• Passionate about creating meaningful change in the world through new technologies
• Strong interest in technology, with the ability to continuously learn, apply new knowledge, and use technology to drive both organizational and business growth
• Motivated by bringing people across the organization together to realize a shared vision and embed a strong engineering culture
• Understands the broader nature of software engineering and is willing to contribute beyond implementation alone
• Able to define a meaningful vision in an environment where little has yet been established and drive it through to execution