Hiring a Backend-as-a-Service (BaaS) developer can significantly accelerate your app development process. They can manage server-side operations, reducing the need for in-house server-side coding expertise. BaaS developers can integrate functionalities like push notifications, social media integration, data storage, and user management easily. They can help scale your app effortlessly and ensure it stays updated with the latest technology trends. This allows your team to focus more on user-centric aspects like UI/UX, improving the overall quality of your app. Thus, hiring a BaaS developer can enhance efficiency, save time and costs, and improve your app's performance.