Principal Frontend Architect – High-Traffic Marketplace

Career Renew seeks a Principal Frontend Engineer for a hybrid role in San Francisco. You will own the architectural vision of web apps, scale frontend systems for 1+ million concurrent users, and lead modernization from monoliths to microservices, delivering new categories in months.

Requirements include 8–15 years in frontend, 2+ years in staff/principal leadership, React/TypeScript/Next.js expertise, AI-native engineering, and proven ability to align tech with product strategy while