Web3 Java Project Optimization

I'm seeking a Java expert with Web3 experience to enhance a web application. The primary focus will be on bug fixing and performance optimization across all layers of the application - front-end, back-end, and database.

Ideal skills and experience:
- Proficiency in Java and Web3
- Experience in web application development
- Strong problem-solving skills for bug fixing
- Ability to optimize performance across all layers of a web application
- Familiarity with both front-end and back-end development
- Database performance tuning experience