Profile evaluation. GMAT 710 3 years work ex

Need some help in my profile evaluation and the possible list of colleges in my range.
I am targeting the top 20 colleges in US, ISB, and NUS.
Below is a brief description of the work i have been involved in.

Academic:
GMAT Score : 710
Toefl : 111
10th : 90%
12th : 85%
B.E. (Comp Sc.) 68%

Work:
Working in a top IT firm in India.
Work experience : 4 years (by 2014 intake)

Synopsis of Work ex.:
-Working in mobile app development.iPhone & iPad development.

-Part of the core group that set
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