Explain how you got your last job.
My last job was an indication by a friend of mine. I've been working there for 7 years.
My last job was a recommendation by friend, I'm working there 7 years.
I got my last job by the recomendation of one of my friends. I've been there for 7 years.
If you are not there now then it would be - I was there for 7 years.
'Was' is past tense.
I've been there - this means you are still at the same place working.
The word indication means to show.
You have indicated that you like me.