UI/UX and design integration/implementation in existing iOS app

I am looking for a UI/UX designer who can design & integrate/implement design improvements in an existing iOS app. The ideal candidate should have experience in improving navigation and user flow, enhancing visual aesthetics and branding, and optimizing the app for different screen sizes and devices. There are no specific design requirements and color schemes. However, if there are no existing guidelines or themes, the designer should maintain a general theme/style throughout the app. CURRENT STATUS: The application is existing for android and for iOS platforms, however, the scope of this RFQ is only applying to iOS version of the application (Block-Spam: [login to view URL]). Further RFQs will be launched for android application UI/UX & design integration. The iOS app is developed in SWFIT native iOS. Screenshots of the current application are shared into a user journey diagram file shared with you. PROJECT PHASES: 1. UI/UX: Iterate over the UI/UX proposals to approve a to be implemented design. 2. DESIGN INTEGRATION: Integrate in the existing source code the design and assure it Is correctly integrated with no issues. 3. CLOSING: Marketing, Files & IP: - Transfer all documentation, guidelines and files used in the project development. - Design & Generate Marketing screenshoots needed for APP STORE for 14 different localizations and sizes needed. BID INFORMATION NEEDED: Please indicate in your Bid or private message: - Tools that you will be used for this project and experience with same developments. - Indicate better approach for integration phase. - Prove experience in similar project development. Both aspects are very important: UI/UX & Integrate design into existing app. - Files/work products to deliver in each phase. TIMELINE: The UI/UX PHASE needs to be completed within 3-4 weeks. The DESIGN INTEGRATION has to be completed in 3-4 weeks more Project Kick off: September 2023. Thanks a lot, rgds, Albert