Senior Frontend Engineer

Senior Frontend Engineer (Remote) for Squads. Build high-performance web applications with React, TypeScript, and modern frontend practices.

Demonstrated expertise (5+ years) in building and delivering high-performance, visually refined web applications, with a deep understanding of browser fundamentals, modern JavaScript (ES6+), and advanced TypeScript features. Strong proficiency in React, TypeScript, and modern frontend development best practices with Clean, modular, async-safe code. You approach product engineering with a user-first mindset, proactively shaping features and interfaces to deliver intuitive, delightful, and accessible experiences. Solid grasp of systems design, debugging, and application performance. Experience working with REST APIs and backend systems, gRPC and WebSocket APIs. Strong communication skills and comfort with ambiguity—able to propose and lead solutions proactively. Understands extension sandboxing and least-privilege permissions.

TypeScript, React Next.js, Server Components Jōtai (or similar) Vanilla Extract, StoryBook, Jest (or similar) Web Browser API fundamentals Solana Web3.js Web Workers Web security fundamentals (CSP, CORS, JWT, etc) Chrome Extension APIs Bonus: Interest or experience in hybrid design-engineering roles Portfolio of UI/UX work and familiarity with Figma Knowledge of blockchain UX patterns and product flows Experience with Solana development (wallet adapters, token programs, client SDKs)

Format: Remote (Anywhere)