Reference letter

Hi there !!
I'm going to apply for a scholarship in England and one of the requirements is a reference letter. I asked my boss to sign it but I need to write it in English. So I want someone to help me checking it and tell me my mistakes. I took an online template and I modified for my personal case.



To Whom It May Concern:
I would like to recommend (my name) as a candidate for applying to the program (my study) In his position as (my position), (my name) has been employed in our company from (a date) - (another date).

(my name) has done an excellent job in this position during his tenure with the office. He is organized, can work both independently and in a team and is able to follow through to ensure that the job gets done.
During his tenure with (my company), (my name) was responsible for developing mobile applications in Android and Windows Phone platform. He was responsible for many mobile projects.

(my name) was always willing to offer his assistance and had an excellent rapport with his bosses and workmates. He would be an excellent student and I recommend him for any goal he chooses to pursue.
Yours truly,