Acquiring degree is one thing and possessing in-depth knowledge & competency in the specialised fields, hands-on proficiency is another think. If you are good enough to convince the selectors with your proficiency having long 8 yrs of experience that should bag the offers. Most of the Open U'sity degrees would be suitable for serving employees who are required to qualify the essential higher graduation which is likely to be suitable for confirmation,promotions & statutory posts. For a fresher degrees from open U'sity generally not taken seriously as you know,when scores of candidates from regular courses are competing in the open. I'm not to be mistaken as discouraging. When you have age and resources regular courses is comparatively better. But in your case your experience should solve the difficulties. Be positive and keep knocking the doors, I'm sure you will achieve, don't worry if you fail in the stride, demands are plenty.
Bitter but the truth is 'NO'.
You will not be hired on-roll or directly by any listed / good company since you don't have 10+2+3.
Since you are in IT industry you will get plenty of consultant rolls through TPAs.
So keep good track and contact with leading TPAs to get you good offers.