Full-Stack Developer for Java Spring Boot API - Only Individual Developer- No Companies - URGENT-2

We are seeking a skilled developer to build a robust Java Spring Boot API for a web application intended for the general public. The application will incorporate the following essential features: Key Features: User Authentication and Authorization: Enable secure account creation, login, and management of user data. Ensure users can safely access and modify their profiles. Real-Time Data Processing: The API should support real-time updates, ensuring that users receive the latest information as it changes. CRUD Operations: Provide comprehensive Create, Read, Update, and Delete functionality for managing application resources and user data. Search Functionality: Implement a powerful search feature that allows users to quickly find relevant information within the application. Role-Based Access Control (RBAC): Define and enforce access restrictions based on user roles to secure sensitive areas of the application. Logging and Monitoring: Integrate logging and monitoring mechanisms to track system performance and user activities for better insights and troubleshooting. Error Handling: Implement robust error handling to ensure smooth operation and a user-friendly experience, even when unexpected issues arise. Data Validation: Ensure that all incoming data is thoroughly validated to maintain accuracy, security, and integrity. Required Skills: Java & Spring Boot Expertise: Proven experience in building scalable, reliable APIs using Java and Spring Boot. Authentication & Authorization: Strong knowledge of authentication mechanisms, including OAuth2, JWT, and other secure login practices. Payment Gateway Integration: Experience in integrating payment systems into web applications. Real-Time Data Processing: Familiarity with techniques and tools to handle live data streams and event-driven architectures. This project requires a developer with a strong background in building secure, efficient, and scalable APIs, with a keen focus on usability and performance. If you have a proven track record in these areas, we would love to collaborate with you. The scope of project is to test API and front end integration.