Francis Silva

Shopify Developer | Shopify Entwickler

Working as a Shopify Plus Developer at Rankist GmbH, building and optimizing high-performance e-commerce solutions for enterprise clients.

Working as a freelance Shopify Plus Developer, I have successfully delivered 20+ e-commerce projects across European markets including Germany, Switzerland, Austria, and France. I specialize in building high-performance, conversion-optimized Shopify stores for international businesses. Currently managing and developing 7+ international cannabis/hemp e-commerce platforms: Canapuff (operating on canapuff.com, canapuff.de, canapuff.pt), HHC Friends (hhcfriends.de, hhcfriends.eu), CBDShop24.de, Happys Amsterdam, Hildegard, and Pflegewegweiser. These stores serve customers across 11 languages with sophisticated multi-domain, multi-currency Shopify Markets configurations. Key technical achievements: Architected and built a comprehensive SEO auditor tool with 58+ automated checks covering technical SEO (canonical tags, robots meta tags, XML sitemaps, hreflang validation), on-page optimization (meta tags, heading structure, content quality, keyword placement), mobile performance (responsive design, touch targets, viewport configuration), page speed (Core Web Vitals, resource optimization, browser caching), and international SEO (language tags, currency display, geo-targeting). Developed enterprise-grade bulk metafield management system enabling efficient SEO and product data updates across 1000+ products with features including CSV import/export, preview mode, rollback functionality, market-specific configurations, and automated validation. Implemented complex Shopify Markets setups with proper hreflang configurations across multiple domains ensuring correct international indexing in Google. Created automated bank transfer payment reminder system supporting 11 European languages with smart scheduling and customizable templates. Built advanced product filtering systems with horizontal scrolling tag bubbles, Ajax-powered faceted search, and dynamic sorting capabilities. Developed custom cart drawer implementations featuring intelligent upsell recommendations, Ajax add-to-cart functionality, progressive discount displays, and mobile-responsive designs. Achieved significant performance improvements with Core Web Vitals optimization resulting in 90+ Lighthouse scores on production stores. Specialized in: Custom Shopify Plus theme development from Figma designs, Liquid templating with advanced filters and tags, JavaScript and React.js for interactive features, technical SEO including schema markup and structured data, performance optimization including lazy loading and image optimization, conversion rate optimization through A/B testing and user experience improvements, multi-language store configuration, multi-currency and international payment setup, hreflang and international SEO implementation, Shopify Markets for global expansion, custom Shopify app development, API integrations with third-party services, mobile-first responsive design, accessibility compliance (WCAG guidelines).

Pracoval jako Shopify Developer ve společnosti Eshop Guide, jedné z Germany's leading Shopify Partner agencies, where I delivered enterprise-level e-commerce solutions for premium German and European brands. This role provided extensive experience in agency workflows, client communication, project management, and delivering complex Shopify projects on tight deadlines. Successfully delivered Shopify projects for notable clients including: FP Francotyp (fp-francotyp.de) - premium B2B office equipment brand with custom pricing and quote systems, Beedees (beedees.com) - fashion retailer with Instagram integration and visual commerce, HN8 (hn8.de) - specialized technical equipment store, Gloryfy (gloryfy.com/en) - international eyewear brand with multi-language support, Supplera (supplera.de) - B2B supplement supplier, Eshop Guide's own showcase store (eshop-guide.de), Snowline Spikes (snowlinespikes.com) - outdoor equipment specialist, Bora Products (bora-products.de) - premium kitchen appliances, Fraas (fraas.com) - luxury fashion accessories, Leonardo (leonardo.de) - large-scale home décor store with 5000+ products, Proglow (proglow.de) - lighting and LED specialist, Thylie (thylie.com/en) - sustainable fashion brand, Zenbivy (zenbivy.eu) - outdoor camping gear. Core responsibilities included: Developing custom Shopify themes from Figma designs using Liquid, CSS, and JavaScript. Creating responsive, mobile-first layouts optimized for conversion. Implementing Shopify Plus features including custom checkout, wholesale channels, and B2B functionality. Building custom Shopify sections with theme editor compatibility. Developing Ajax-powered product filtering and search functionality. Integrating third-party apps and services via APIs. Implementing technical SEO best practices including schema markup, meta tags, and structured data. Optimizing page speed and Core Web Vitals for better performance. Ensuring cross-browser compatibility and accessibility compliance. Collaborating with designers, project managers, and backend developers. Conducting code reviews and maintaining high code quality standards. Providing technical consultation to clients on Shopify best practices. Gained valuable experience in: Enterprise-level Shopify Plus implementations, agency project management and client communication, working with established German and European brands, delivering projects on strict deadlines, maintaining code quality in fast-paced environment, technical documentation and knowledge transfer, agile development methodologies.

Pracoval jako softwarový inženýr ve společnosti comAlpine Informationssysteme GmbH, vedl vývoj webových aplikací enterprise a řešení IoT.Tato role poskytla pevný základ pro kompletní vývoj, moderní postupy DevOps a škálovatelnou aplikační architekturu. Klíčové projekty a odpovědnosti: Vedený vývoj full-stack webových aplikací využívajících Node.js pro backendové služby a Angular/React.js pro frontendová rozhraní.Navržená a vyvinutá aplikace IoT Home System využívající Ionic Angular s ovládáním zařízení v reálném čase, monitorovacími panely a integrací hlasového asistenta.Implementované koncové body RESTful APIs a GraphQL pro efektivní datovou komunikaci.Řízené nasazení aplikací pomocí kontejnerizace Docker a orchestrace Kubernetes.Nastavte a udržujte kanály CI/CD pomocí GitLab CI/CD a Jenkins pro automatizované testování a nasazení.Pracoval s více databázovými systémy včetně MongoDB, MySQL a PostgreSQL.Implementované funkce v reálném čase pomocí WebSockets a Server-Sent Events.Vyvinutá responzivní webová rozhraní s mobilním přístupem.Spolupráce s mezifunkčními týmy v agilním prostředí.Prováděl kontroly kódu a mentoroval juniorské vývojáře. Technický zásobník: Node.js, Express.js, Angular, React.js, Ionic Framework, TypeScript, JavaScript, MongoDB, MySQL, __PROT_PROT__, _0Kubernetes, Git, GitLab CI/CD, RESTful APIs, WebSockets, SCSS, Material-UI, Firebase.

Povýšen na roli Associate Software Engineer, kde jsem převzal větší zodpovědnost za vývoj projektů.Přispěl k několika full-stack projektům pomocí Node.js, Angular a React.js.Vyvinuli řešení IoT a implementovali kontejnerová nasazení s Docker a Kubernetes.Získal zkušenosti s agilními metodikami a kolaborativním vývojem softwaru.

Started my professional journey as Software Engineering Intern where I gained hands-on experience in modern web development. Worked with Node.js for backend services and Angular/React.js for frontend development. Contributed to real-time chat system implementation. Learned collaborative development practices, version control with Git, and agile workflows.