Hiring a Demandware developer is beneficial as they are skilled in utilizing Salesforce Commerce Cloud (previously Demandware), a leading e-commerce platform. They can build a robust, scalable online store that offers a seamless, personalized shopping experience. With their expertise, you can integrate various functionalities like AI-based recommendations, social media, and mobile, web, and in-store operations. They can also assist in managing product information, content, customer data, and orders effectively. Their knowledge can help drive your online sales and enhance customer satisfaction, ultimately boosting your business growth.