Available to hire
I’m Nicolas Collins, a lead Shopify Developer with 7+ years of experience building and scaling high-performance storefronts and ecommerce platforms. I specialize in Liquid, theme development, and custom Shopify architecture, and I bring strong frontend skills in JavaScript, HTML5, and CSS3 to every project.
I empower product, marketing, and design teams to deliver conversion-focused, scalable ecommerce solutions—from architecture and implementation to launch and optimization. I love turning design into pixel-perfect storefronts, optimizing performance, and crafting seamless integrations with third-party tools.
Experience Level
Language
English
Fluent
Work Experience
Senior Software Engineer at Revscale AI
July 1, 2022 - PresentLed development of Shopify Plus storefronts, owning projects from architecture → development → launch → optimization. Designed and implemented custom Shopify themes using Liquid, JavaScript, HTML, and CSS, ensuring scalable and maintainable codebases. Built and customized high-performing ecommerce features including: product pages, checkout flows, dynamic content sections, promotional experiences. Integrated third-party systems and tools such as marketing platforms (Klaviyo, analytics tools), fulfillment and order systems, custom APIs and backend services. Optimized storefront performance by reducing load times, improving Core Web Vitals, and enhancing mobile responsiveness. Identified and resolved conversion bottlenecks, improving UX and engagement across key pages. Worked closely with designers and marketing teams to translate Figma designs into pixel-perfect, conversion-focused storefronts. Troubleshot complex Shopify issues, including theme conflicts, app integrations, and pe
Founding Engineer at Cognizant
July 1, 2019 - May 1, 2022Developed and maintained Shopify storefronts, focusing on customization and performance optimization. Built reusable components and templates using Liquid, JavaScript, and CSS, improving development efficiency. Implemented custom Shopify features and workflows aligned with business requirements. Integrated Shopify with external services including: payment providers, CRM systems, marketing tools. Improved page performance and responsiveness, ensuring consistent experience across devices. Collaborated with cross-functional teams to deliver user-focused ecommerce features. Supported ongoing maintenance, bug fixes, and enhancements for live storefronts.
Education
Bachelor's degree at UC Irvine
January 1, 2012 - January 1, 2016Qualifications
Industry Experience
Software & Internet, Retail, Professional Services, Media & Entertainment, Other
Experience Level
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