Any suggestion on how do the steurerklarung properly (expat lived in Germany for 5 months in 2023)

Hi everyone :D

I moved from France to Germany last year. I have lived only 5.5 months in Germany last year and I have been taxed to the maximum last year (the tax was based as if I worked 12 months). Are there any good tax software or any tips to really optimize the tax return ? do you have any tips on how to chose a steureberater ?