Led the end-to-end modernization and feature enhancement of a live production tourism website, focusing on internationalization, conversion optimization, and performance. Key deliverables and impact: Rebuilt the website using Next.js to improve performance, scalability, and developer velocity. Implemented internationalization (i18n) with multi-language support, enabling seamless content switching across German, French, Russian, and Italian audiences via a custom language switcher. Integrated a persistent WhatsApp Business chat widget across all pages, fixed for desktop and mobile, driving instant customer engagement and lead generation. Designed and implemented conversion-focused landing page enhancements, including: A promotional offer pop-up highlighting a limited-time incentive (“Free Airport Pickup With Every Tour”). A real-time countdown timer to introduce urgency and improve call-to-action performance. Applied SEO best practices during the rebuild, improving crawlability, metadata structure, and readiness for international search indexing. Tech stack & competencies: Next.js, React, Tailwind CSS, i18n, SEO fundamentals, UI/UX optimization, client-side performance tuning