To whom it may concern:
This letter is to certify that has been employed by this company in the computer department as computer programmer since april,xxxx.
Being the computer programmer of this company, he is mainly responsible for developing computer programmer of this company, he is mainly responsible for developing computer programs as well as designing maintaining and modifying computer system for our company and our clients.
During his employment with this company in the last five years, he has respectively computer programs by using computer languages such as: foxbase, foxpro, cobol,c,sql,db2,html and delphi. in addition to that he is also familiar with computer systems such as novell, windows nt, sco-unix, and as well as computer software tools such word, s-designer and visio.
He has respectively involved in numerous big computer projects with a number of our company's clients in china (please refer to the attached list for detail information)
According to our record, mr. xxx has attended formal university edcation and received his bachelor degree in xxxx xxxx(it means your major) offered by xxxx university in beijing with a very strong background in computer programming. his performance in the last five years has been totally to our satisfactory. should further information be required regarding position with this company, please feel free to contact the undersigned at any time
Yours very truly,
(xxxx's signature)
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