Write the program code for the site for freelancing (buying and selling texts, photos, custom-made)

Description

The payment is step by step (the task is divided into parts (units, blocks), payment for every 3 functional blocks after their completion), without PREPAYMENT!!! We need program code for the site for freelancing. There is a ready-made layout (page-proofs), technical task (common and for each module (unit, block). The employee works on his server. The price is not more than 1000 $. The deadline is not more than 30 calendar days. Preferred programs: Yii2 advanced, Meanstack, but options are possible. We are waiting for offers. The employee must be experienced (the status on the site is not "a new freelancer"). The employee should have good feedback.