PACCO

Ecommerce

• Develop and evolve a B2B platform integrated with the Shopify ecosystem;
• Customize and optimize Shopify themes using Liquid, HTML, CSS and JavaScript, ensuring performance and a strong user experience;
• Design and implement integrations via APIs (REST/GraphQL) with external systems such as ERP, payment gateways and logistics, including the use of webhooks;
• Develop and maintain backend services (Node.js, Python or similar) to support business rules not native to Shopify;
• Implement B2B features such as: customer authentication and management, price lists and commercial conditions by profile, bulk order processing and custom checkout rules;
• Ensure application performance (Core Web Vitals), security (authentication, validations, rate limiting) and scalability;
• Contribute to defining the solution architecture, considering decoupling between Shopify and external services;
• Work collaboratively with Product, CX and stakeholders, translating business needs into technical solutions;
• Document integrations, flows and technical decisions, ensuring code standardization and maintainability;

Full Stack Developer – Shopify Focus