[High pay/ Full Remote /Unlimited PTO] Senior Frontend Engineer | Build what's next (Open to candidates already located in Japan)

This is an elite tier Start-up that is being backed by major financial institutions. They are building infrastructure and products at the frontier of decentralized technology. The work is technically demanding, highly user-facing, and increasingly important as the category matures. We can’t say much publicly about the company or product yet. We can say this: You’ll work directly on core product experiences, influence frontend architecture, and own meaningful problems from first principles through production. The environment is fast, highly autonomous, and engineering-led. Small team. High trust. Very little bureaucracy. You’ll have real ownership across frontend architecture, complex UX, performance, and product delivery — working closely with Product, Design, and Engineering to turn ambitious ideas into polished, production-grade experiences. What you’ll doOwn end-to-end frontend workstreams across web and mobile productsBuild scalable applications with TypeScript, React, and TanStackShape frontend architecture, performance, testing, and engineering standardsBuild intuitive experiences for complex, data-rich productsPartner closely with Product, Design, and Backend teamsWhat we’re looking for5+ years of frontend engineering experienceStrong TypeScript / modern JavaScript skillsDeep React knowledge and strong frontend architecture fundamentalsExperience with TanStack Start, Next.js, Remix, or similar frameworksComfortable owning projects in fast-moving, ambiguous environmentsStrong communication and product senseCandidates already located in Japan, with Japanese communication skill a strong plusExperience working at popular local companies (e.g: Mercari, Line, Smartnews, Indeed, Amazon, Google etc.)Bonus: Web3/blockchain experience, AI-assisted development (Cursor, Copilot, Claude, etc.), or startup/scale-up experience. Available perks: Fully remote & full-flex Unlimited PTO Stock options Global-market compensation Best-in-class tooling & AI agents Annual global workations & team off-sites If you’re a frontend engineer who wants ownership, autonomy, and the chance to build at the edge of Web3, we’d love to hear from you. Apply now — discreetly.