improve speed of a drupal website

Hello this is Manouwer Hussain a senior drupal(6,7,8) & php full stack developer for more than 7 years. I have developed some of the biggest website ,web applications,mobile app in drupal(6,7,8) & php like cms,ecommerce ,web application,mobile app which is running world wide. I am expert in drupal,php front end and back end development. My strength is designing , custom theming using php,HTML,css,javascript,jquery,LESS,SASS etc ,custom functionality development ,custom module development,api development,third party api integration in drupal, consuming api call ,site architecturing ,SEO optimization . I am also expert in web service development,mobile app development using PhoneGap or DrupalGap. I also do Website performance optimization ,caching using memcache,elastic cache,varnish caching,solarsearch integration etc . i have read your job post i will improve the speed and loading time of your website Waiting for your reply

This is my job. I can do it. I'm ready to work now. I hope to work with you. Regards. ====================================================================================================================================================================

Dear client, how have you been? I hope this time I can get a chance to work with you. It seems that this project is fit in me. How about discuss in chat? Waiting for your reply. Best regards.