Hello,
I have experience with google app engine, python, javascript and many more technologies.
With google app engine i have knowledge of advance concepts like task queue, deferred queue, ndb and namespace use, transaction with ndb and many more.
Using these experience i will easily convert your code.
I believe in long term relationship with customer, quality and give best support after work completion as well.
For deadline of completion for work will same day if all goes well.
Hope positive reply will get soon.
Thanks.