Maria Letsiou

Delivered custom landing pages and interactive UI components using HTML, CSS, and JavaScript. Developed and maintained eCommerce sites on WordPress and WooCommerce, improving accessibility by applying WCAG best practices. Built custom WordPress plugins in PHP and JavaScript, including a tailored admin interface that lets a real estate client manage property listings independently. Set up and managed Google Tag Manager with conversion and lead-tracking tags, and used insights from tracking to support a 30% rise in engagement after a landing-page redesign. Applied technical SEO/GEO best practices, integrated Google Maps and Geocoding APIs, and managed Cloudflare configurations (cache/CDN, bot mitigation, security, and file management). Set up and monitored Google Cloud Platform resources for websites and used Google Search Console to resolve indexing and crawl issues. Worked with React to build end-to-end web application experiences, and led solution architecture for proposals from wiref

Designed and developed responsive, cross-browser websites, eCommerce interfaces, and landing pages using JavaScript, HTML, and CSS. Built CMS-based websites with WordPress, Joomla, and OpenCart. Improved search visibility through on-page SEO, semantic HTML, page speed, and mobile responsiveness. Wrote SQL queries to organize and maintain customer/product data supporting client-facing interfaces. Applied WCAG-compliant frontend practices and monitored performance and user behavior with Google Analytics and Google Tag Manager. Worked directly with clients through Agile/Scrum cycles and supported team operations by supervising and assisting interns.