To: [Insert name]
From: [Insert name]
Subject line: Ready to join our team?
Hi [Candidate name],
I saw your profile on [LinkedIn, GitHub, etc.] and was impressed with your experience. My name is [insert name] and I am [job title] at [Company name].
We are currently looking for a [job title] to join our team and I would love to tell you more about this position.
Are you available sometime this week?
[Insert email signature]