Hi, I am kind of newbie, not having much knowledge about H1B, though I hold B1/B2.
1. How to find good employer who can sponsor for H1B?
2. When should I start the process?
You may search for openings in job sites like Dice.com and identify an employer who is ready to sponsor your work VISA.
First, You've to find an employer, then, You could start the process for H1 B.
May be, also this will help you: