Marina Catalina C.
Shopify Expert Developer | CRO Specialist | AI Engineering
Available Now | Top Rated 🏆 Hi, I am Marina Pereda. Do you need a trusted Shopify Developer with solid experience working for top brands in the US? Look no further. Plus, I am a great communicator, I know how to translate complex challenges into realistic and easy to understand solutions, and I work fast, and with a good quality. I have been working for the last 9 years helping eCommerce brands to thrive and convert better. From designing and building new stores using Dawn theme to any of the pro themes, to creating custom themes, sections and templates from zero, or from a Figma design, you can find the best Shopify Expert partner with me. But I am not only a Professional Shopify Developer, I understand the importance of understanding the customer journey, and how to plan, design and build the best User Experience to improve store conversions. I have also worked as an eCommerce Manager for one of the biggest and older brands in the US, helping to organize the catalog, plan the merchandise strategies to boost store conversions, build documentation and create AI Routines, AI Skills and Agents to make the store management more efficient. I can also help you to structure your store system, and transform those daily processes into automations either with Claude Code, Claude CoWork or n8n workflows running with skills and agents. Welcome to the Agentic Commerce era! I know how to help you improve your PDP’s not only for human customers but also for AI but from a full stack development foundation. When you hire me, you are hiring horizontal knowledge from web design, to UX/UI, Shopify development but the newest AI implementation. And that is how I am efficient. Shopify experience - Development: * Shopify Plus * Shopify Custom Theme, Section and Blocks Development (Liquid, Schemas, JavaScript, CSS, HTML) * Conversion Rate Optimization Specialist * Figma to Liquid * Shopify Architecture Project Planning * WooCommerce, BigCommerce, Magento migrations to Shopify * Speed Optimization * Ongoing maintenance, feature development & bug fixes * Build custom and editable sections and blocks * Shopify Functions * Configuring Metaobjects and Metafields * Online Store 2.0 & Dawn Theme Customization * Shopify CLI Shopify experience - UX/UI Web Design: * Web design * Create Figma Designs for homepage, PDP, PLP, Blog and Landing Pages Shopify experience - CRO Specialist: * Shopify Performance Optimization & Core Web Vitals * Technical SEO, AI SEO and Schema Markup * Setting up Quick or Fast Add-To-Cart buttons * Shopify Bundles Strategies * Building Custom Cart Drawers with Upsells, Cross-Selling * Site Operations Shopify Agentic Ecommerce: * Agentic Commerce * Goal-Driven Discovery * Plan and structure Product description and Metafields for improving AI discoverability * Market Growth for AI AI Automations: * AI Agents for Shopify Development * Plan, structure and build n8n workflows that will save time on repetitive processes * Claude Routines * Claude CoWork * Plan and build Store Documentation (MD format) for creating AI automations * RAG Automation - data parse and ingestion * AI Skills * AI for Site Operations * AI for Store Merchandising Strategies * Create Store documentation for building AI Automation
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.8k
Billed in all: $42,704$43k
$601 in the last 6 months
Across 59 contracts
Earnings, last 30 days
Read once a week before Oct 18, 2026, daily since. Dotted: longer than usual between two readings. Hatched: over two weeks without one.
Skill rankings: Top 17% in HTML5
Ranked by MRR among everyone on Upwork with the skill.
- #22Cross-Selling74 freelancers · 🇲🇽 #1Top 30%🇲🇽#1 of 2
- #181Claude API454 freelancers · 🇲🇽 #1Top 40%🇲🇽#1 of 1
- #441User Experience2,372 freelancers · 🇲🇽 #3Top 19%🇲🇽#3 of 14
- #613Liquid1,844 freelancers · 🇲🇽 #3Top 33%🇲🇽#3 of 10
- #660GraphQL3,403 freelancers · 🇲🇽 #4Top 19%🇲🇽#4 of 17
- #775Shopify Website Redesign2,433 freelancers · 🇲🇽 #2Top 32%🇲🇽#2 of 5
- #1,008Shopify Templates3,688 freelancers · 🇲🇽 #2Top 27%🇲🇽#2 of 11
- #1,012Shopify Apps3,368 freelancers · 🇲🇽 #2Top 30%🇲🇽#2 of 6