I need an experienced WordPress developer to update my existing site by adding e-commerce functionality. Key Tasks: - Integrate a secure and user-friendly e-commerce platform - Ensure mobile responsiveness and SEO optimization - Maintain the site's current design aesthetics Ideal Skills and Experience: - Strong background in WordPress development - Proven experience with e-commerce integration - Knowledge of SEO and responsive design principles - Familiarity with security protocols to protect user data Please provide a portfolio showcasing similar projects.