Mention something about the interview, using statements about how you noticed the team environment or something you forgot to bring up in the interview that will be beneficial to the company. Everyone comes out of an interview thinking they should have phrased something differently. A follow-up note is a great chance to do this. It's called polishing the responses that lacked power in the interview. It also reassures the interviewer you are still interested in the position.
Persistence gets results.
Make sure you send it during the decision stage, rather than afterwards. Re-sell yourself when given an opportunity. Resignation Sooner or later most of us face a resignation. This task is never easy, especially when you've been in the same position for a number of years and have become an integral part of the team. Some people within the company may take this personally and accuse you of jumping ship.