Check if you have covered all the elements from your piece of writing:
Job’s name
Degree needed
Skills for the job
Abilities regarding: communication, group work, customer care, intercommunication
Dress code
Salary
Time availability
Date to start working

You can verify your text on: https://languagetool.org/


There are some aspects you should be careful. If it is necessary, study again the grammar structure, the correct use of modal verbs. Do not forget to answer everything that is asked and mention all the points that are required. It seems to be that you are getting better at using modal verbs; unfortunately your writing is not perfect yet. There are some points that you are forgetting about and checking the grammar structures, punctuation or the correct use of grammar tenses can help you make fewer mistakes the next time. Your writing is really good! There is always something that can be corrected, but you have learnt to use modal verbs in the right way to give details in a description. Excellent!