10 points! Please, i'm an italian guy. Can you correct the text, if there are grammatical errors?

[arvad]

1) The experience in the restaurant industry in recent years has enabled me to develop robust capabilities for managing relationships with customers, particularly in direct contact with end users. I developed this way, good listening skills, communication and collaboration.
2)Even at the organizational level, the extensive experience, has enabled me, year after year, to increase my skills. Especially in recent years of work. In particular I have had the opportunity to better manage situations of high workload concentrated in a few hours, for which to synchronize and empower the staff has been component fundamental for the good result of the job.
3)I have a very good knowledge of Personal computer: word processing, online search engine technology and more.
I have good knowledge of programs like Excel, Powerpoint, email software.
4)I enjoy meeting and being around people thanks to my humorous spirit. I have worked at a high pace, but never compromised my accuracy.
My strengths are dependable, precision, organized and friendly. I am highly motivated and look forward to the variety of work which this position will give me.
5)Driver's license (license B) lifeguard Patent
6)The undersigned Giuseppina De Nardo, as entrepreneur of "LUVAL," I testify that Simone Di Russo has served in the organization, from 28/05/2009 to 11/09/2009, during which time he has performed with commitment various activities under me. In particular, during the months of collaboration, he worked as lifeguard. In the period of permanence at our establishment has distinguished for reliability, accuracy and organization proving excellent communication skills demonstrated by the rapid insertion and contribution to group work.

[ludano17]

That is really good. Nothing needs to be fixed.

[zacchaeus21]

Umm that's TOO many commas. Whoever told you to put a comma everytime you pause meant put it at a natural pause and you don't have natural pauses cuz your italian. Please have someone fix that for you.

[eddis]

It is good...well done.