Hiring a Micro ORM developer is beneficial for efficient, lightweight, and faster data access. They have expertise in managing databases with less overhead, providing increased performance. Micro ORM developers facilitate easier code maintenance due to cleaner and clearer codes, and they enhance productivity by reducing the amount of time spent on complex SQL queries. They possess detailed knowledge of SQL, which can be beneficial for handling intricate database manipulations. They also can manage complex mapping scenarios. Therefore, a Micro ORM developer can ensure your project's optimal database efficiency and performance.