Solid grasp of web performance engineering concepts, including Core Web Vitals (LCP, FID/INP, CLS), bundle size optimization, caching strategies (CDN, browser, edge caching), and rendering strategy trade-offs (SSR vs. Familiarity with agentic SDLC concepts including AI agents capable of autonomously executing multi-step engineering tasks (e.g., code generation, test creation, bug triage, PR review) and the governance considerations (code quality, security, and human-in-the-loop review) required to adopt them responsibly.