UX/UI Design , App Design, User Journey and Project Management of App Development

Hello, Please read this carefully, We currently have a company designing and developing a WeChat Mini Program App, which can be considered as a mobile app. We need highly experienced professional/team in the area of 1. User Experience Design 2. User Interface Design 3. Customer Experience and Branding 4. Overall App Design and Experience 5. Experience in creating User Journeys and Optimizing for specific behaviors 6. App Design and Development Project Management 7. Front End Development We need a company or an individual with at least 7 years experience in these above areas to help us a. Refine b. Improve c. Execute d. Manage the app design and development project and give their inputs and expertise on each step working with our app development company. Project Timeline : 2 months NOTE: The expert must be proficient in both English and Chinese Languages as well. We need 100% Project privacy and 100% ownership of the work, so the work cannot be used or displayed anywhere online or offline. If you have any questions let me know. Thanks Sumit