Marko Petrovic

• Technologies Used: Shopify, JavaScript, Liquid, GraphQL, React, Checkout Extensions, Hydrogen.
• Contributions:

- Built and maintained over 15 Shopify e-commerce sites, ensuring high performance and seamless UX/UI.

- Designed and implemented custom checkout solutions using Shopify’s Checkout Extensions and GraphQL APIs.

- Developed a headless Shopify setup using Hydrogen and React for a faster, modular online experience.

- Led initiatives to optimize website loading speed, achieving a 40% improvement in performance.

- Troubleshot complex site issues and implemented solutions to enhance site reliability and security.

• Technologies Used: Liquid, GraphQL, JavaScript, CSS, Shopify Metafields, Theme Kit.
• Contributions:

- Customized Shopify themes to align with client branding and business needs.

- Integrated third-party tools such as Klaviyo and Recharge to expand functionality.

- Streamlined site navigation and implemented SEO best practices, boosting organic traffic by 25%.

- Created scalable solutions by leveraging Shopify metafields and custom sections for dynamic content management.

• Technologies Used: React, Vue, GraphQL, Headless CMS, TailwindCSS, Swiper.js.
• Contributions:

- Delivered custom Shopify solutions for clients in diverse industries, including apparel, healthcare, and technology.

- Built headless Shopify websites integrated with React and Vue for seamless user experiences.

- Designed responsive landing pages using TailwindCSS and implemented interactive elements with Swiper.js.

- Partnered with marketing teams to create high-converting pages, leveraging A/B testing insights.