Open cart websites changes improvements

Dear Freelancers : only experienced people please > Thanks We have 2 OpenCart websites need some improvements on both websites Opencart version 3 Theme : Journal 3 Both sites belong to same company and sells 60% products identical. Site 1 one is low to mid budget products Site 2 is similar and some more products for high end market ( so need to give it luxury and premium look ) need your suggestions First website - using demo 9 Second website - using demo 3 —————— ————— Pls only apply if you understand below requisitions: You must be very experienced with at least 5 years Not just saying that you know open cart rather we need someone who has done & dealt with lots of opencart sites. On all versions. You know coding and can solve all issues. You don’t think that installing a module only can solve the problem You are prompt in responses and when required can speak over the phone ———————- We have multi lingual people who can speak English , Hindi , Punjabi ———————— Tasks : Changes , improvements required Multi store enabled Add payment options such as After pay , Google Pay , Apple Pay , Lay Buy Website speed optimisation One page check out Social login on check out page Facebook , Google, Trust Pilot Reviews to be shown on Home Page Pls advise if you can do above job Apart from above We also have some regular work which we can discuss.