**RESPONSIBILITIES:** * Develop and customize Shopify stores, ensuring performance and scalability; * Create and maintain custom themes using Liquid, HTML, CSS, and JavaScript; * Implement technical improvements in speed, SEO, and usability; * Integrate external APIs and apps, optimizing processes and automations; * Collaborate with UX/UI, design, and traffic teams in executing campaigns and product launches; * Ensure best practices in version control, documentation, and code quality. **REQUIREMENTS:** * Proven experience with Shopify (and Shopify Plus); * Proficiency in Liquid, HTML5, CSS3, and JavaScript (ES6\+); * Knowledge of REST/GraphQL APIs; * Experience with Shopify CLI and theme customization; * Familiarity with Google Tag Manager, Meta Pixel, and tracking tools; * Understanding of UX/UI and web performance; * Prior experience in a digital agency or multi-project environment; * Collaborative, analytical, and results-oriented profile. **WHAT WE OFFER:** * CAJU Multi-Benefit Card; * Vacation time (after 1 year with the company); * Birthday day off; * Quarterly Profit Sharing (PLR); * Knowledge platform.