PrestaShop 1.6.1.24 to PrestaShop 9 Migration for Fashion E-commerce Store

We are looking for a senior PrestaShop specialist with proven experience migrating stores from PrestaShop 1.6 to modern PrestaShop versions. Store: https://surfwax.lt About us: Surfwax is an established surf, fashion and lifestyle e-commerce store serving customers across Europe. Current setup: PrestaShop 1.6.1.24 Several thousand products Multiple brands and categories Existing SEO rankings that must be preserved Project goals: Migrate from PrestaShop 1.6.1.24 to PrestaShop 9 (or recommend the best target version) Improve mobile experience Improve site performance and Core Web Vitals Preserve SEO rankings and URL structure Ensure smooth customer experience during migration Scope of work: Full store audit Migration planning Products migration Categories migration Customers migration Orders migration Images migration SEO migration 301 redirects where required Theme recommendation and implementation Module compatibility review Testing and launch support IMPORTANT: Please DO NOT apply if your primary experience is with WordPress, Shopify or general PHP development. We are only interested in developers who have completed multiple PrestaShop migration projects. To be considered, please provide: Number of PrestaShop migrations completed Examples of PrestaShop 1.6 → 8 or 9 migrations URLs of migrated stores Recommended migration path for our store Estimated budget range Estimated timeline Your location and time zone Preferred: PrestaShop-focused developers Experience with European e-commerce stores Strong SEO migration experience Long-term maintenance availability