[muzster]

More Questions Than Answers :

1.) Why top-tier companies ? Have you considered joining a startup instead ?

2.) Ask the interviewer. Prep'ing for interviews will not prep you for the work at hand. Try working on your interpersonal skills and getting real world experience ( open source or side project demonstrating your skills )

3.) The recruitment process is broken. When you find that elusive efficient way - make sure to give back to the community.