Google sheets script development | Timesheets

We are looking for a developer in Google sheets and Google apps. Our needs are listed in the following document: https://docs.google.com/document/d/1aKZ8W5nbT1IjloJOXRetSVRxG567nN0bLigMIU5FzQg/edit#heading=h.k04re6yucb5t

Are you up for the challenge? :)

If you decide to accept our project we will share with you a table with all tasks listed.
- Here you will register the status of each task.
- Upon the completion of each task we will verify and evaluate it within 48 working hours.
- Each task will correspond to a project milestone.
- Each task has a budget, 80% paid with the milestone and the rest with the conclusion of the last milestone.
- The last milestone will be: Completion of the project within the stipulated time frame. This milestone is 20% of all the project budget.