To whom it may concerm，
I am writing this letter for the full time job position as a XXX， and based on my academic performance and my past working experience， I think I can be a qualified candidate for the company.
During my past years studies at XXX， I majored in XXX and achienved an overall GPA of 3.XX， and I also had several interniships at XXX company， XXX company.
Thank you for reading my letter， and my contact number is 133-3333-3333， I am looking forward to hearing from you soon.
Regards，
Your name