Magento 1.9 x to 2.4 | Data Migration | Connection to merchandise management system (REST API)

1. Migration: of the existing shop system based on Magento 1.9 to Magento 2.4 or higher. (The current theme is Ultimo and it seems that it will not be further developed after version 2.3, so a new promising theme is desired. 2. Adjust design: Responsive optimization, (visually appealing for 2021) 3. Create an extended search function  using a category filter 4. Creation of product properties / attributes, which can be selected or deselected in the search 5. Add location filter 6. In addition, we need a separate page with the theme trailer rental and a form where the customer enters his data, can select the desired model and select a period. The project must be implemented as quickly as possible, target and result-oriented. To ensure a correct result, a technical project manager is available to answer questions. He should be informed about the project status daily, at the latest every 48 hours. The first part of the project (1st-4th): - 1. Migration to Magento 2.4 or higher, migration of data, content, - 2. the design adaptation (either leave the Ultima theme or better choose a new theme), - 3. Search function in cooperation with the - 4. Product features are urgent and, based on experience, can be implemented quickly and easily. A few prepared sample properties are sufficient for this, which we can add later. Budget calculated for the implementation of all tasks.