Reference letter

[Luxdux]

Hey guys,

could you please proofread this letter of recommendation and make suggestions about grammar mistakes.

Dear recruiting team,

My name is XX, I am junior manager at XX, which is a famous beer garden Bavaria in Germany, and it is my great pleasure to write this letter of recommendation for Mr XX.

XX has been working with us for nine years and I have been his supervisor during this time. XX is responsible for both bar and service and I can state with confidence that he is a highly passionate and hardworking staff member, who does not require any supervision.

During his nine years of employment, he distinguished himself as a dedicated and capable worker, who performed impeccably in all tasks, which include the following:

Pouring drinks
Serving food and beverages to costumers and ensuring their overall satisfaction
Informing customers of daily specials as well as explaining preparation methods
Generally providing professional relationship with customers and providing a high level of customer service   

His role demands that he fits into our team in order to fulfil effectively customer requests as well as working autonomously and I can confirm that he meets these requirements always to our fullest satisfaction.
During the last years, he has developed excellent communication skills. Also, XX proved that he is able to multitask when required and manages stress well. In addition, he is dedicated to come up with new ideas to improve existing workflows.
I can strongly recommend XX for employment at your company and I expect that he will be a very positive addition to your institution.
 
Sincerely,


XX

[Sinatra85]

First of all: Wow! Very well written! 
Just a few improvements:

Dear recruiting team,
My name is XX, I am a junior manager at XX, which is a famous beer garden in Bavaria in Germany, and it is my great pleasure to write this letter of recommendation for Mr XX.
XX has been working with us for nine years, and I have been his supervisor during this time. XX is responsible for (both) bar and service, and I can state with confidence that he is a highly passionate and hardworking staff member/employee,who does not require any supervision.
During his nine years of employment, he has distinguished himself as a dedicated and capable worker, who has performed impeccably in all tasks, which include the following:
Pouring drinks
Serving food and beverages to costumers, and ensuring their overall satisfaction
Informing customers of daily specials as well as explaining preparation methods
Generally providing professional relationship with customers, and providing a high level of customer service   
His role demands that he fits into our team in order to effectively fulfil customer requests as well as working autonomously, and I can confirm that he always meets these requirements to our fullest satisfaction.
During the last years, he has developed excellent communication skills. Also, XX proved that he is able to multitask when required, and manages stress well. In addition, he is dedicated to come up with new ideas to improve existing workflows.
I can strongly recommend XX for employment at your company, and I expect that he will be a very positive addition to your institution.
 
Sincerely/Faithfully (Since you don't know the name of your contact person),