BigCommerce Developer

Job Title Senior BigCommerce Developer (Site Development, Apps & B2B) Job Summary We are looking for a Senior BigCommerce Developer to lead the design, development, and optimization of BigCommerce storefronts and solutions—covering theme/site development, custom BigCommerce apps, systems integrations, and B2B (BigCommerce B2B Edition) capabilities. You will work closely with solution architects, designers, and business stakeholders to deliver scalable, secure, high-performance commerce experiences. Key Responsibilities 1) BigCommerce Storefront / Site Development Lead development and customization of BigCommerce storefronts using Stencil framework. Build and maintain custom themes, reusable components, and UI patterns aligned to brand and UX requirements. Implement responsive layouts, cross-browser compatibility, and accessible UI standards (WCAG basics). Optimize storefront performance (Core Web Vitals focus): image strategy, script loading, caching, minimizing render blocking assets...