Senior Frontend Engineer
About the role
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.
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.
Key responsibilities
Frontend architecture & technical contributions: Contribute to the evolution of frontend system design, patterns, and best practices.
Application development: Design, build, and maintain complex, production-grade frontend applications using TypeScript and TanStack Start.
State management & data orchestration: Implement and maintain scalable client-side state using Zustand and TanStack Query to ensure predictable and performant data flows.
Project ownership: Own and deliver end-to-end frontend workstreams, including:
- Core wallet and account abstraction UX flows
- High-throughput, data-rich product interfaces
- New web and mobile dApp surfaces
Testing & reliability: Contribute to and maintain Playwright-based end-to-end test suites to improve coverage and release confidence.
Cross-functional collaboration: Partner with Product, Design, and Backend teams to refine requirements and deliver high-quality outcomes.
Qualifications
Required experience
- 2 ~ 4 years of experience as a frontend engineer
- Strong proficiency in TypeScript and modern JavaScript.
- Experience with TanStack Start or comparable meta-frameworks (e.g., Next.js, Remix).
- Solid expertise in modern React patterns, performance optimization, and frontend application design.
- Ability to operate independently in ambiguous, fast-paced environments.
- Excellent written and verbal communication skills.
Nice-to-have
- Experience leveraging AI-assisted coding tools (Cursor, Copilot, Claude, or similar) to accelerate development.
- Background in web3, blockchain, or decentralized application development.
- Experience in startup or scale-up environments.
Location and logistics
- East Asia preferred (Tokyo, Singapore, HongKong)
About Startale Group
Startale Group is at the forefront of the Web3 revolution, building foundational infrastructure and innovative applications that empower a decentralized future. As a globally distributed team of blockchain specialists, we are committed to pushing the boundaries of what's possible in the crypto space. Our work spans critical areas such as scalable blockchain protocols, interoperability solutions, and developer tools designed to accelerate mass adoption. We believe in open-source principles and actively contribute to a more transparent and equitable digital world. Our culture is built on intellectual curiosity, collaborative growth, and a shared passion for decentralized technologies. We foster an environment where bold ideas are encouraged, and every team member has the opportunity to make a tangible impact. At Startale Group, you'll work alongside leading experts in zero-knowledge proofs, DeFi, NFTs, and DAO governance, tackling complex challenges with a startup mindset and a long-term vision. If you're a seasoned blockchain engineer, a product innovator with a Web3 focus, or a community builder eager to shape the next era of the internet, Startale Group offers an unparalleled opportunity. Join us to leverage cutting-edge technology, contribute to meaningful projects, and grow your career within a company that values innovation, autonomy, and impact. Be a part of the team defining the future of Web3.
Ready to Apply?
To submit your application for this position, please visit Startale Group's official website and follow their application process.