Carlos Quintero

Led development of a Shopify Plus store, delivering a production-ready platform in 2 months for 10K+ monthly users. Designed scalable API architecture using Shopify REST & GraphQL APIs, improving backend processing by 35%. Integrated 5 external systems (ERP, payments, marketing), reducing manual operations by 40% and improving data accuracy. Developed automated inventory synchronization using Vercel Cron Jobs, increasing data accuracy by 50%. Implemented B2B/B2C pricing logic using Shopify Functions and custom APIs, enabling segmented pricing and custom checkout. Reduced page load time by 30% through frontend optimization and AJAX-based interactions. Established CI/CD pipelines, improving deployment speed and reducing release errors.

Led and mentored a team of developers to deliver custom Shopify Plus themes and enterprise migrations, achieving a 95% on-time delivery rate while ensuring scalability and high performance under heavy traffic. Spearheaded integration of over 7 third-party and custom-built apps, automating backend work and improving operational efficiency by 40%. Increased conversion rates by 25% by optimizing checkout, currency, and shipping configurations. Collaborated closely with project managers and stakeholders, overseeing technical delivery and ensuring 80% of projects were completed ahead of schedule while maintaining high standards in functionality and design.

Delivered custom Shopify applications using REST & GraphQL APIs, automating key business workflows by 30%. Built and customized Shopify themes using Liquid, HTML, CSS, and JavaScript, improving user engagement and contributing to higher conversion rates across multiple stores. Reduced page load times by 30% through frontend optimization, including code splitting, lazy loading, and asset compression. Integrated over 4 third-party services (payment gateways, analytics, shipping APIs), improving data synchronization and increasing client satisfaction by 25%. Improved checkout experience and reduced cart abandonment by 25% and increasing completed purchases. Guided over 3 junior developers, introducing coding standards and review processes that improved delivery speed and code quality. Maintained platform stability by resolving production issues, ensuring high availability and minimal downtime.