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About the role
<h2> </h2>
<h2><strong>About the role</strong></h2>
<p>You will be a senior contributor to our frontend product experience, working across our product suite, including our self-custodial wallet interfaces, account abstraction user flows, and a growing set of web and mobile decentralized applications (dApps). As a senior frontend engineer on the team, you will help shape frontend architecture, deliver complex user-facing features, and embed performance, reliability, and usability best practices into every release.</p>
<p>You will work closely with designers, product managers, and engineers to take features from concept to production, while contributing to improving code quality, system design, and team workflows.</p>
<h2><strong>Key responsibilities</strong></h2>
<p><strong>Frontend architecture & technical contributions:</strong> Contribute to the evolution of frontend system design, patterns, and best practices.</p>
<p><strong>Application development:</strong> Design, build, and maintain complex, production-grade frontend applications using TypeScript and TanStack Start.</p>
<p><strong>State management & data orchestration:</strong> Implement and maintain scalable client-side state using Zustand and TanStack Query to ensure predictable and performant data flows.</p>
<p><strong>Project ownership:</strong> Own and deliver end-to-end frontend workstreams, including:</p>
<ul>
<li>Core wallet and account abstraction UX flows</li>
<li>High-throughput, data-rich product interfaces</li>
<li>New web and mobile dApp surfaces</li>
</ul>
<p><strong>Testing & reliability:</strong> Contribute to and maintain Playwright-based end-to-end test suites to improve coverage and release confidence.</p>
<p><strong>Cross-functional collaboration:</strong> Partner with Product, Design, and Backend teams to refine requirements and deliver high-quality outcomes.</p>
<h2><strong>Qualifications</strong></h2>
<h3><strong>Required experience</strong></h3>
<ul>
<li>2 ~ 4 years of experience as a frontend engineer</li>
<li>Strong proficiency in TypeScript and modern JavaScript.</li>
<li>Experience with TanStack Start or comparable meta-frameworks (e.g., Next.js, Remix).</li>
<li>Solid expertise in modern React patterns, performance optimization, and frontend application design.</li>
<li>Ability to operate independently in ambiguous, fast-paced environments.</li>
<li>Excellent written and verbal communication skills.</li>
</ul>
<h3><strong>Nice-to-have</strong></h3>
<ul>
<li>Experience leveraging AI-assisted coding tools (Cursor, Copilot, Claude, or similar) to accelerate development.</li>
<li>Background in web3, blockchain, or decentralized application development.</li>
<li>Experience in startup or scale-up environments.</li>
</ul>
<h3><strong>Location and logistics</strong></h3>
<ul>
<li>East Asia preferred (Tokyo, Singapore, HongKong)</li>
</ul>
<h2> </h2>
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