Frontend: React.js, Next.js, Remix, Shopify Hydrogen, JavaScript (ES6+), JSX, Tailwind CSS, CSS3, HTML5
Backend & APIs: Node.js, Express.js, PostgreSQL, MySQL, Firebase, Supabase, REST/GraphQL APIs
Tools: Git/GitHub, Contentful, Cloudinary, Shopify, Threekit
E-commerce: Headless architecture, custom product configurators, user experience (UX) design
Other: Performance optimization, testing & debugging, Agile methodologies