Simply replace the unfilled areas such as "" and "[date]" with your information.
Dear Sir or Madam:
RE: [name of position]
Please accept my resume in response to the job posting for the [position] position. I am a graduate of [list name of school] receiving [name of degree/diploma] and also have [#] of years of experience in this field.
My technical abilities include computer languages such as [list skills]. I am fully trained in technologies including [list skills]. In addition to being well versed in the Windows operating system, I have a strong grasp of the [Linux/Mac/etc.] operating system.
My previous employment record will illustrate that I have a broad experience working in a team environment. I am an extremely hard worker and excel at learning new skills and concepts. I feel that I could be a valuable asset to your company and development team.
I feel I am more than qualified and have the skills you require for this position. I can be contacted by phone at [phone #] or via e-mail at [email address] for any further information. Please contact me at your earliest convenience to schedule an interview for discussing my future with your company.