Build Two Marketplace Platforms Using a Shared MERN Architecture

We are looking for an experienced MERN developer to build two web platforms Both platforms have different purposes but share many common features, including user accounts, profiles, dashboards, search, multilingual content, document uploads, image galleries, and admin management... (Budget: $1500 - $3000 CAD, Jobs: API Development, Full Stack Development, HTML, MERN, MySQL, PHP, Web Development, Website Design)