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).

Arbeitete als Shopify-Entwickler bei Eshop Guide, einem von 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.

Arbeitete als Softwareentwickler bei comAlpine Informationssysteme GmbH und leitete die Entwicklung von enterprise-Webanwendungen und IoT-Lösungen.Diese Rolle bot eine solide Grundlage für die Full-Stack-Entwicklung, moderne DevOps-Praktiken und eine skalierbare Anwendungsarchitektur. Hauptprojekte und Verantwortlichkeiten: Leitung der Entwicklung von Full-Stack-Webanwendungen unter Verwendung von Node.js für Backend-Dienste und Angular/React.js für Frontend-Schnittstellen.Entwurf und Entwicklung der IoT Home System-Anwendung unter Verwendung von Ionic Angular mit Echtzeit-Gerätesteuerung, Überwachungs-Dashboards und Integration von Sprachassistenten.Implementierung der RESTful-Endpunkte APIs und GraphQL für eine effiziente Datenkommunikation.Verwaltete Anwendungsbereitstellung mit Docker-Containerisierung und Kubernetes-Orchestrierung.Richten Sie CI/CD-Pipelines mit GitLab CI/CD und Jenkins für automatisierte Tests und Bereitstellung ein und warten Sie diese.Arbeitete mit mehreren Datenbanksystemen, einschließlich MongoDB, MySQL und PostgreSQL.Implementierung von Echtzeitfunktionen mithilfe von WebSockets und vom Server gesendeten Ereignissen.Entwicklung reaktionsfähiger Weboberflächen mit Mobile-First-Ansatz.Zusammenarbeit mit funktionsübergreifenden Teams in einer agilen Umgebung.Führte Codeüberprüfungen durch und betreute Nachwuchsentwickler. Technischer Stack: Node.js, Express.js, Angular, React.js, Ionic Framework, TypeScript, JavaScript, MongoDB, MySQL, PostgreSQL, Docker, Kubernetes, Git,GitLab CI/CD, RESTful APIs, WebSockets, SCSS, Material-UI, Firebase.

Beförderung zum Associate Software Engineer, wo ich größere Verantwortung in der Projektentwicklung übernahm.Hat zu mehreren Full-Stack-Projekten mit Node.js, Angular und React.js beigetragen.Entwickelte IoT-Lösungen und implementierte Containerbereitstellungen mit Docker und Kubernetes.Sammelte Erfahrung in agilen Methoden und kollaborativer Softwareentwicklung.

Meine berufliche Laufbahn begann als Praktikant im Bereich Software Engineering, wo ich praktische Erfahrungen in der modernen Webentwicklung sammelte.Arbeitete mit Node.js für Backend-Dienste und Angular/React.js für die Frontend-Entwicklung.Beitrag zur Implementierung des Echtzeit-Chat-Systems.Erlernte kollaborative Entwicklungspraktiken, Versionskontrolle mit Git und agile Arbeitsabläufe.