JavaScript (ES6+), HTML5, CSS3 (Flexbox, Grid, animations), SCSS/Sass, responsive web design, cross-browser compatibility, jQuery, DOM manipulation, React, Next.js, TypeScript, Figma, design systems, component libraries, style guides, wireframing, prototyping, accessibility (WCAG), usability, UX implementation, Git, Bash scripting, JIRA, AWS, WordPress, PHP, Adobe Creative Suite (Photoshop, Illustrator, Premiere), AI-assisted development, REST, JSON, GraphQL (learning)