Mateo Lee

Senior E-Commerce & Full-Stack Developer with 7+ years of experience in building and optimizing Shopify and WordPress websites. Skilled in both frontend and backend development using HTML, CSS, JavaScript, PHP, Liquid, and modern frameworks like React and Node.js. Experienced in creating custom themes, apps, and integrations, as well as improving performance through SEO, analytics, and A/B testing.

Strong track record of increasing conversions, enhancing user experience, and delivering scalable, high-quality solutions. Collaborative, detail-oriented, and focused on delivering results that align with business goals.

Senior Shopify Developer at First Pier (2024-06 – 2025-12)

• Developed a third-party Shopify app that uses JavaScript to search for jewelry products and integrated it seamlessly into our store.
• Using Google Tag Manager and Google Analytics, analyzed user behavior and implemented data-driven improvements, resulting in a 0.42% increase in conversion rate.
• Built custom pages for multiple stores and used the Klaviyo app to create seasonal email marketing campaigns and pop-ups, which increased sales by an average of 14%.
• Implemented strategies to improve site speed and user experience by optimizing code and enhancing SEO performance. These improvements led to a 12% increase in site speed and an SEO score consistently above 90%.

Junior Shopify developer at Under Reality (2022-07 – 2024-04)

• Initially, created Figma designs for Shopify stores and implemented them to build custom themes.
• Served as a QA team member, reviewing code and themes developed by other developers and providing guidance on defects and workarounds.
• Implemented various email marketing automations for three stores during Black Friday, increasing sales by up to 287%.
• Managed a beauty brand's WordPress site, integrating various plugins and updating multiple pages and sections, including the blog and About page.

Primary Developer at KikstartEcom (2020-04 – 2022-07)

• Took on a simple store, built sections, modified fonts, fixed tags, and updated content to improve SEO.
• Developed a simple WordPress design and updated the existing site based on it, integrating plugins and setting them up.
• Gained new experience by building and customizing a responsive theme, and improved my skills by reviewing code through integration with GitHub.

Bachelor of Computer Science in Computer Science – University of Milan (2014-09 – 2017-07)