Senior Frontend Engineer — Web3 Wallet & dApp UI

Startale Group; United States; Remote; USD 100,000 - 140,000; Full time

Job summary

Startale Group is seeking a senior frontend engineer to help shape our frontend architecture across wallet interfaces and dApps. You will design, build, and maintain complex, production-grade frontend applications using TypeScript, React, and TanStack Start, while collaborating with design, product, and backend teams.

You will implement scalable client-side state with Zustand and TanStack Query, Own end-to-end frontend workstreams, and contribute to Playwright-based tests to improve release

Qualifications

• 2–4 years of frontend engineering experience.
• 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.

Responsibilities

• Contribute to frontend architecture and system design.
• Design, build, and maintain production-grade frontend applications using TypeScript and TanStack Start.
• Implement scalable client-side state using Zustand and TanStack Query.
• Own end-to-end frontend workstreams, including wallet/account-abstraction UX, data-rich interfaces, and new dApp surfaces.
• Contribute to Playwright-based end-to-end tests to improve coverage.
• Collaborate with Product, Design, and Backend teams to refine requirements and deliver high-quality outcomes.

Skills

TypeScript

JavaScript

React

Frontend architecture

Independent work

Tools

TanStack Start

Next.js

Remix

Zustand

TanStack Query

Playwright

Cursor/Copilot/Claude (AI coding assists)

Job description

Startale Group is seeking a senior frontend engineer to help shape our frontend architecture across wallet interfaces and dApps. You will design, build, and maintain complex, production-grade frontend applications using TypeScript, React, and TanStack Start, while collaborating with design, product, and backend teams.

You will implement scalable client-side state with Zustand and TanStack Query, Own end-to-end frontend workstreams, and contribute to Playwright-based tests to improve release