Dear [Hiring Manager's Name],

I appreciate the time and effort that you and your team put into the interview process and offering me the [Job Title] position at [Company Name]. However, after careful consideration and evaluating my personal and professional goals, I have decided that it is not the right opportunity for me at this time.

I understand that this decision may be disappointing, and I apologize for any inconvenience it may cause. Please know that it was not an easy decision for me to make, but I am confident that it is the best one for my career path.

Thank you again for your consideration and understanding. I appreciate your professionalism throughout the entire hiring process, and I wish you and your team all the best.

Sincerely,

[Your Name]