Establish standards for state management, routing, API integration, error handling, and observability in the frontend. * Help define and maintain quality metrics (e.g. core web vitals, error budgets, coverage, build times). * Solid understanding of web platform fundamentals: JavaScript, DOM, REST APIs, HTTP/HTTP2, caching, browser performance. * Comfortable debugging frontend–backend interactions, API contracts, and performance issues in production. * Knowledge of OAS, GraphQL and/or WebSockets.
mehr