mysql server problem fixing

I am in need of a freelancer who is experienced in fixing MySQL server problems, specifically with database connection issues. I'm having too many sleep connections. I was able to flush the max used connection but remote connections are not working now. some localhost connections are also shows sleep.

Ideal Skills and Experience:
- Strong experience in MySQL server problem solving
- Expertise in database connection issue diagnosis and resolution
- Linux, ubuntu
- Knowledge of server configurations
- Familiarity with troubleshooting all types of database operations
- Ability to work efficiently and effectively to resolve the issue in a timely manner
- You should work only on my remote PC