looking for expert wordpress developer to update my current site

We have create a wesite in divi but we're currently facing below technical issue and also need to update somethings, below i have mentioned all issues and update please check it 1. Not able to upload logo due to divi issue. 2. Not able to add divi testimonial widget - wordpress and divi issue. 3. Do Gzip compression to load site fast. Pages compression needed to load site fast. 4. Divi issue and wordpress issue while installing plugin and doing updates. Check this issue and sort it permanently.