Jack Harner is a Denver-based founder and freelance web developer with nine years of experience building custom Shopify, BigCommerce, and WordPress solutions for solopreneurs and enterprise clients. He runs Renrah Development and Harner Designs while serving as Director of Technology at DreamClub United, blending hands-on development with strategic e-commerce consulting. Jack has led web teams and projects as Lead Web Developer at Sweatshirt Media and managed marketing, inventory, and in-house tooling at a growing retail startup, giving him a rare mix of technical and operational insight. He focuses on improving conversion and customer experience through tailored storefronts, integrations, and pragmatic automation. Comfortable across front-end, CMS, and platform-specific ecosystems, he excels at turning business problems into deployable web solutions. Outside client work he stays engaged in fast iteration and product-first thinking, helping businesses sell better online.
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