Core Web Vitals Expert

Responsibilities:

• Analyze and optimize web performance with a focus on Core Web Vitals (LCP, FID, CLS)
• Improve site speed using tools like Google Lighthouse, PageSpeed Insights, and Chrome DevTools
• Optimize JavaScript, HTML, and CSS for better performance and faster rendering
• Identify and eliminate render-blocking resources to enhance page load speed
• Enhance React.js application performance and reduce unnecessary re-renders
• Improve Time to First Byte (TTFB) and optimize server response times
• Collaborate with developers, designers, and SEO teams to implement best practices

Requirements:

• Proven experience (3+ years) in web performance optimization, with a strong focus on Core Web Vitals (LCP, FID, CLS)
• Strong expertise in JavaScript (ES6+), HTML5, and CSS3, including performance-oriented coding techniques
• Hands-on experience in analyzing and optimizing web performance using: Google Lighthouse, PageSpeed Insights, WebPageTest, Chrome DevTools
• Strong understanding of critical rendering path, render-blocking resources, and browser rendering behavior
• Experience in React.js performance optimization
• Experience in improving Time to First Byte (TTFB) and optimizing server response times
• Strong analytical mindset with problem-solving abilities
• Effective communication skills for collaboration with designers, developers, and SEO teams
• Passion for web performance, user experience, and modern frontend development trends
• English level: B2, C1

Offer:

• Private medical care
• Co-financing for the sport card
• Training & learning opportunities
• Constant support of dedicated consultant
• Team-building events organized by DCG
• Employee referral program