Looking for contract/part-time/temporary developer

Job Description--Freelancer only, NO agents Please. Thanks! We are looking for an expert full stack (front & back end) B2B ecommerce website developer that will help us create/build/customize/maintain a new e-commerce website based on certain open source platform (e.g. Magento 2 vs. Laravel). Work Scope: - Advice on the choice of open source platform for flexibility of customization, performance etc. - Create customized extensions to the open platform (most importantly, multi-vendor support, highly business specific order process, request quote process, shipping process, payment process/options etc.) - A CRM for buyer, with customization on inventory - Setup and document a well designed end-to-end workflow from coding, testing to deployment - Install the website onto a cloud based environment - Implement front-end changes if necessary Skills - Strong PHP knowledge - Strong open source platform customization experience (e.g. Magento 2/Laravel, other platforms are welcome) - Including hands-on experience developing and modifying PHP - Expertise in JavaScript, HTML, CSS, & SQL - Experience building a high-performance website with full stack technology (PHP, Apache/Nginx, MySQL, Varnish, Redis etc.) - Git, unit testing, debugging, profiling, performance monitoring - Excellent interpersonal, written, and verbal communication skills with the ability to communicate with project manager -Knowledge of Chinese language is a plus but not required