Miguel Hermida Cores

Delivered high-visibility digital experiences across campaigns, launches, branded platforms, and interactive product showcases as part of the Google development team, with Lit, TypeScript, Firebase, and analytics integrations. Built experiential frontend projects with a strong focus on animation-led interfaces and 3D interactive experiences using GSAP and Three.js. Created chat-based AI content creation tools in React and Next.js, translating evolving model capabilities into usable interfaces for generation workfows, creative editing tools, and user-specifc content history. Implemented platforms with authentication, gated access, permissions, and progress-based user fows across learning, event, and content-driven experiences. Supported release and content workfows involving Google Cloud, Firebase, Docker, and custom CMS setups, including migrations from hardcoded experiences to more scalable content-managed solutions. Structured campaign builds with future iterations in mind, reducing redevelopment effort and speeding up delivery for subsequent launches. Enabled producers, project managers, and clients to manage content, localization, and campaign updates more independently by helping move hardcoded experiences to CMS-driven setups. Infuenced technical and design decisions through close collaboration around Figma, frontend architecture, and implementation feasibility. Strengthened consistency and delivery efciency across projects by contributing to shared React and Lit scaffolds, code reviews, and maintainable frontend patterns.

Helped design and implement a unifed monorepo architecture for multiple Shopify brands and regional storefronts, supporting shared development in vanilla JavaScript and Vue.js while reducing duplication and making ecommerce delivery easier to scale. Developed day-to-day ecommerce features in JavaScript, Liquid, and Ruby, including bug fxes, campaign landing pages, product launches, and promotional logic for discounts and special offers. Built reusable frontend systems within Shopify that gave content managers far greater autonomy from the back ofce, allowing them to assemble and update pages without constant developer involvement. Improved product discovery and browsing performance by optimizing listing experiences, including progressive rendering strategies for long product feeds and never-ending lists. Worked extensively on search and fltering systems, helping defne frontend logic for AND/OR combinations, faceted navigation, relevance, category fows, and catalog ordering to improve product discovery across large listings. Adapted checkout and cart fows to market- and product-specifc requirements, including installment payments, prescription-related product fows, promotions, donations, upsell items, and gift logic that had to be refected accurately throughout the purchase experience. Contributed to A/B testing initiatives, applying fndings to frontend decisions around ecommerce fows, content

Delivered frontend work for a range of client websites and ecommerce projects across WordPress, PrestaShop, Drupal, and some Symfony/PHP-based platforms. Built and maintained landing pages, newsletters, and storefront-facing interfaces using HTML, CSS, SASS/SCSS, and JavaScript. Adapted legacy websites to new designs and responsive layouts, helping modernize older projects for newer devices and screen sizes. Supported migrations and day-to-day implementation tasks across CMS-based projects, including updates to WordPress components and features. Contributed to early-stage mockups and client-facing discussions around new site versions and migrations, helping translate business needs into clearer frontend requirements. Gained hands-on experience with the fundamentals of frontend delivery, including browser behavior, deployments, hosting environments, and production-ready code structure, with occasional exposure to PHP.