1. YTou can look for job as F1.
2. Your opt from your master's degree expires after two months of your graduation. I think in your case, you can't apply for opt any more.
3. You can do F1-to H1. No problem. But I don't know how cn you get reference if you don't want any one know.
4. If your future job is not non-profit organization, you need quato. The quato is already used up this year. You can apply now and start to work from Oct.1 this year.
2. Your opt from your master's degree expires after two months of your graduation. I think in your case, you can't apply for opt any more.
3. You can do F1-to H1. No problem. But I don't know how cn you get reference if you don't want any one know.
4. If your future job is not non-profit organization, you need quato. The quato is already used up this year. You can apply now and start to work from Oct.1 this year.