react_proficiency.txt

Senior (enterprise)
    
    mid UX and SEO knowledge
    Analyses and profile an application for performance and memory issues
    Analyses and profile an application for security issues
    Tune a production deployment
    Understand and use Design Patterns (explain what they are, know some basic patterns)
    Mentoring skills
    Communication skills
    Planning and Estimation

Mid-level (startup and mid corp)

    Setup and deploy a React for production
    Create and define tests
    Knows how to solve problems using algorithms
    Understand the stack - libraries, http servers, cloudflare 
    Understands (basic) inner workings of React and Javascript Engine (with pros and cons)

Entry Level (beginner)

    Create and setup new React project
    Basic CSS usage
    Basic AJAX usage
    Basic GIT - clone, commit, push