BigCommerce Developer (Remote – US Shift)

About the Role

We are seeking a talented, self-motivated, and experienced BigCommerce Developer to join our remote team. In this role, you will be responsible for developing, customizing, and optimizing high-performing e-commerce stores for a diverse portfolio of international clients. From custom Stencil theme development to advanced API integrations, you will play a key role in delivering seamless, responsive, and conversion-focused online shopping experiences.

Key Responsibilities

• Develop, customize, and maintain BigCommerce themes using Stencil, Handlebars, HTML, CSS, and JavaScript.
• Build, configure, and manage BigCommerce storefronts from the ground up.
• Customize existing themes and develop custom storefront features based on business requirements.
• Integrate third-party applications, payment gateways, shipping solutions, CRM platforms, and other e-commerce tools.
• Work with BigCommerce APIs, including REST and GraphQL, to develop custom integrations and functionality.
• Optimize website performance, including page speed, Core Web Vitals, mobile responsiveness, and conversion rates.
• Convert Figma, Adobe XD, or similar design mockups into responsive, pixel-perfect e-commerce websites.
• Troubleshoot technical issues, fix bugs, perform code reviews, and maintain clean, scalable code.
• Work with product catalogs, checkout functionality, custom fields, and other BigCommerce store features.
• Collaborate with SEO, design, and marketing teams to improve website functionality and user experience.
• Communicate effectively with US-based clients during overlapping working hours.Required Qualifications
• 5+ years of hands-on experience in BigCommerce development.
• Strong expertise in BigCommerce Stencil framework and theme customization.
• Proficiency in Handlebars, HTML5, CSS3, and JavaScript (ES6+).
• Experience with BigCommerce REST APIs, GraphQL, and Storefront APIs.
• Hands-on experience with Stencil CLI and local theme development workflows.
• Familiarity with Git and GitHub version control workflows.
• Experience integrating third-party apps, payment gateways, shipping solutions, and other e-commerce services.
• Strong understanding of responsive web design, website performance, and cross-browser compatibility.
• Ability to work independently, manage multiple projects, and consistently meet deadlines.
• Excellent written and verbal English communication skills.
• Availability to work during US business hours, with EST/PST overlapPreferred Qualifications
• Experience with BigCommerce Enterprise and B2B Edition.
• Knowledge of headless commerce architecture and frameworks such as Next.js and React.
• Experience with Catalyst or other modern BigCommerce storefront technologies.
• Understanding of e-commerce SEO best practices, structured data, and technical SEO.
• Experience with third-party integrations, middleware, and custom app development.
• Familiarity with email marketing platforms such as Klaviyo and Mailchimp.
• Knowledge of A/B testing, CRO tools, and conversion optimization strategies.
• Experience migrating e-commerce stores from Shopify, WooCommerce, Magento, or other platforms to BigCommerce.