Middle/Senior JavaScript Developer

Remote full-time JavaScript Developer at Lagrange Labs, $5000-$7500/month, building high-perf web apps for ZK ecosystem.

Develop high-performance web applications and complex dashboards for the ZK ecosystem. Create and maintain JavaScript/TypeScript SDKs for third-party developers. Deep integration with blockchain protocols via ethers.js / viem. Optimize client-side for heavy cryptographic computations in the browser (WASM). Write clean, typed code and conduct thorough code reviews.

Expert knowledge of JavaScript (ES6+) and TypeScript. Experience with React/Next.js for at least 4 years. Practical experience developing Web3 interfaces and understanding of wallet principles. Knowledge of modern frontend architecture design patterns. Experience with WebAssembly is a big plus.

Salary: from $5,000 to $7,500 USD. Remote, full-time.