Many candidates overload their resumes with project lists and examples of their work, producing tomes rather than the adverts that I recommend. No doubt, supporting documentation can help seal the deal in today’s competitive job market, but timely submission is key. The purpose of your resume is to get you the interview. The purpose of the interview (and any follow-up) is to get you the next interview. And so on, until you land the job.
I counsel my candidates to submit these documents clearly labeled and separate from their resume. Often, they make good follow-up mailings after a phone interview, the idea being that you whet the hiring manager’s appetite for the work that you can do and then provide examples of how you’ve accomplished these types of tasks in the past. Offering this documentation during a phone screen provides a sort of “soft close”. If the interviewer isn’t interested, they might decline, letting you know that you have more selling to do. If they show interest, shoot those documents out without delay or risk being classified as not really interested in the role.