MONGODB ADMINISTRATION

I am in need of an expert MongoDB administrator who can assist me with both specific tasks and ongoing administration. The ideal candidate should have experience working with version 4.x of MongoDB. Some of the tasks that will need to be performed include optimizing query performance, configuring and managing replica sets, and implementing backup and recovery strategies. The freelancer should also be able to troubleshoot any issues that may arise and provide recommendations on best practices. It is essential that the freelancer has an expert level of expertise in MongoDB administration.