I applied online. The process took 2 days. I interviewed at TeleDNA (Bengaluru) in Jan 2012
Interview
Introduction then technical interview on linux, system programming. Some queastions were asked on socket programming. Next interview was on C C++ and data structures.
I applied through an employee referral. The process took 3 weeks. I interviewed at TeleDNA (Bengaluru) in Sept 2013
Interview
Written multiple choice questions. Detailed programming questions. C++ programming language concepts were asked., Data sctructures and algorithm basics, Socket programming. Linux operating systems funamentals. Normal HR questions - strengths and weaknesses, why this company?.
I applied through a staffing agency. The process took 2 days. I interviewed at TeleDNA (Bengaluru) in Mar 2010
Interview
Interview process is little tough you may be directly called to face to face or followed by phone interview and you will have 3 rounds of interview mainly problem solving skills and main focus will be domain knowledge.
Interview questions [1]
Question 1
What is challenging situation that you have faced in previous company and bugs that are effected in customer site.