Customization & Correction in Magento 1.9.2.4 based multi vedor ecommerce website duration_max 1 week

Tasks to be done • Make pop up window to work and newsletter subscription to display on home page. • Make a new script block appear on home page • Ensure that order status is set to processing only after receiving payment. If payment is not received / failed the items should remain in the cart. • Remove cancel order for downloadable products. • Ensure that return item option in buyer orders section is disabled once the return request is sent. • Set standard photos resolution for products. Auto image sizing. • Enable Auto invoicing for downloadable product only after receiving payment. • Arrange to display Seller name as Product Sold by on invoice • Integrate google remarketing or similar code to track last visited products by customer • Enable captcha on contact us page • Speed up the lading page by doing what is required as suggested by google page speed or similar tools • Configure Site as multi-vendor marketplace, identify the misses and configure / fix accordingly. • Test & ensure that order is accepted only after receiving payment. • Configure SEO related things so that site is listed in google search • Merge a php file provided by payumoney for downloadable products and normal products. Other suggestion to make site better would be welcomed. Product: a theme bought based on magento 1.9.2.4 community edition. Hosted on cpanel with some hosting provider. More details will be revealed soon after allotting project. Notes: Strictly bid only if - • You can finish the work in max 1 week and committed to work. • Ready to work without advance (I am trying to avoid advance due to bad past experience.) However, ready to pay as we make progress. • You are the one who will work on this. • No brokers / middle man / companies appearing to be freelancer will be considered. you can connect through skkypee after sending proposals. proposals to be sent to cloudtry at outlook dot com