Need java developer for making rest api for mobile app

I am in need of a Java developer who can create a 4-5 REST API for my mobile app. The API should provide user authentication and authorization, perform database CRUD operations. The mobile app is developed in Java, and I require a quick response time of less than 1 second for the API. Ideal skills and experience for this job include:

- Strong proficiency in Java programming language
- Experience in creating REST APIs
- Knowledge of user authentication and authorization
- Familiarity with database CRUD operations
- Ability to integrate with third-party services
- Experience in optimizing API response time for quick performance