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 responsibilitiesFrontend 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.
QualificationsRequired 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.
- 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.
- East Asia preferred (Tokyo, Singapore, HongKong)
Top Skills
What We Do
Headquartered in Singapore, Startale Group is a global leader in Web3 infrastructure development. Our mission is to unleash the potential of humanity through the open internet. By onboarding the next billion users onchain, we are shaping the future of Web3.
The centerpiece of our efforts is Soneium, a next-generation Ethereum layer-2 blockchain, born from a joint venture with Sony Group. Soneium is designed to bridge the gap between blockchain (Web3) and traditional internet services (Web2), making blockchain technology more accessible and useful in everyday life. This collaboration seeks to establish Soneium as a core global infrastructure, advancing Web3 experiences for billions of users.
Startale Cloud Services offers comprehensive infrastructure to support developers, businesses, and individuals building and scaling Web3 applications. This platform is instrumental in accelerating the deployment and adoption of decentralized technologies across industries, laying the foundation for the future of Web3.
Astar Network connects you to web3. It is the gateway for projects across enterprises, entertainment & gaming in Japan and beyond, driving global adoption and delivering web3 to billions. Astar leverages a multi-layered tech stack powered by Polygon and Polkadot to offer customizable blockchain solutions that accelerate web3 adoption. With zk-powered Ethereum L2 Scaling (zkEVM), EVM, WASM, and a cutting-edge ecosystem, Astar delivers robust, secure, and interoperable web3 technology.
Through innovation, strategic partnerships, and collaboration with industry leaders like Sony Group, Startale Group continues to lead the charge in making blockchain technology a part of daily life for billions of people worldwide.
