Hello, my name is Gustavo Giménez and I am a native spanish speaker form Argentina, I have been doing translations, proofreading and revisions on non native spanish translators so I can totally asure you that I don´t use any kind of automatic translation tool.
I can answer any question you may have in PM, so feel free to ask them!
Hope to hear from you soon, I´l be glas working for you!
Thank you in advance for your time