SigTuple Software Engineer interview questions

I applied through LinkedIn, it takes 2 weeks to get the call. The 1st round was the written round asking 3 questions about data structure. I did all the questions. 2nd round was the technical round where the interviewer asks some Ds question and don't know the optimized answer. 3rd round was designed round where they are asking to design e-commerce for a mobiles phones. I cleared the round. 4th round is the HR, I cleared that also. Then the HR said to ll be a COO round. but they put me on hold. The company has full of perfectional people, I highly don't waste time going to this place. One of my friends has the same issue.

They waste a lot of time of yours.First was a m/c code test where you have to code 3 questions.Then technical round 1 was there which was datastructure and had 3 questions again.Then was the system design round(this was not informed) and this was a surprise as the opening was for 1-3 years and the expectation was high.They do not provide lunch and an entire day is wasted.Very few(negligible) people actually had an HR round .That too I am not sure if they finally got an offer letter or not!