Secure Backend & Admin Panel Development

I'm seeking an experienced developer to build a secure, scalable, and production-ready backend system using Kotlin, and Spring Boot, along with a React-based Admin Panel for managing a mobile app.

Key Features:
- User Authentication: Login/registration via Google & Facebook, OTP verification for mobile numbers.
- User Management: Add/update users, with a focus on user, subscription, and app settings management.
- API Key Management: Secure handling of API keys.
- Subscription & In-App Purchases: Integrate with Google Play.
- Admin Panel: Manage users, plans, subscriptions, and app settings (T&C, Privacy Policy, Legal).
- Security: Prioritize secure, scalable APIs.
- AWS S3 Integration: For storage.
- Docker Setup: For deployment configuration.

Ideal Skills & Experience:
- Proficient in Java, Kotlin, Spring Boot, and React.
- Strong background in security practices.
- Experience with AWS S3 and Docker.
- Familiarity with OAuth for admin panel authentication.

Looking forward to your expertise in making this project a success!