Dear [Interviewer's Name],

I am writing to express my sincere gratitude for the opportunity you gave me to interview for the [position name] role at [company name] last week. It was a great experience to meet you and some of the team members, and learn more about the company's culture, mission, and values.
I appreciate the thoughtful questions you asked and the time you took to understand my background, interests, and potential fit for the position. I found our conversation insightful and challenging, and it gave me a clearer sense of what the role entails and what I could possibly contribute to the team.
As I mentioned during the interview, I am very excited about the prospect of joining [company name] and contributing to its success. I am impressed by the company's vision to [insert vision here] and by the team's passion and expertise in [insert relevant skills/industry here]. I am certain that my experience in [insert relevant skills or industry here] and my strong desire to learn and grow would be a great asset to the team.
Regardless of the outcome of the interview, I wanted to express my appreciation for the opportunity to speak with you and your team. I have gained valuable insights into your company and your hiring process, and I look forward to staying in touch and learning about future opportunities.
Please do not hesitate to contact me if you have any further questions or would like to discuss my qualifications in more detail. Thank you once again for your time and consideration.
Best regards,
[Your Name]