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72,465 software senior interview questions shared by candidates

During the coding interview, I was tasked with implementing a small yet practical tool; a tool I believe many people might have looked for and installed for its purpose. While I did experience moments of nervousness where I momentarily paused, the interviewer was kind and supportive, allowing me to complete the implementation successfully. After the initial coding, we discussed optimizations, and I then proceeded to optimize the solution. It appeared to me that the interviewer was satisfied with my implementation. After the interview, I reviewed my approach and found it to be in line with standard practices. I believe my optimization strategies were also correct. However, I did not pass the interview. I would have understood if my performance was evidently lacking, but I was puzzled as it was unclear what the interviewer found insufficient in my work. In conclusion, while the content of the coding interview was not particularly challenging, securing a positive outcome felt quite difficult.
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Senior Software Engineer

Interviewed at Ladder

4.7★
Oct 18, 2023

During the coding interview, I was tasked with implementing a small yet practical tool; a tool I believe many people might have looked for and installed for its purpose. While I did experience moments of nervousness where I momentarily paused, the interviewer was kind and supportive, allowing me to complete the implementation successfully. After the initial coding, we discussed optimizations, and I then proceeded to optimize the solution. It appeared to me that the interviewer was satisfied with my implementation. After the interview, I reviewed my approach and found it to be in line with standard practices. I believe my optimization strategies were also correct. However, I did not pass the interview. I would have understood if my performance was evidently lacking, but I was puzzled as it was unclear what the interviewer found insufficient in my work. In conclusion, while the content of the coding interview was not particularly challenging, securing a positive outcome felt quite difficult.

What would cause a network spinner run at 100 round trips per second before being "fixed" to run at 10,000 round trips per second? (Average query of 2k = 3.2mb/sec, network capacity = 10mbit, delay between writes = 5ms, delay for server-side computation = 0.001ms.)

Senior Software Engineer

Interviewed at MetaCarta

3.6★
Mar 25, 2009

What would cause a network spinner run at 100 round trips per second before being "fixed" to run at 10,000 round trips per second? (Average query of 2k = 3.2mb/sec, network capacity = 10mbit, delay between writes = 5ms, delay for server-side computation = 0.001ms.)

There is WCF service with heavy bottleneck and a client requirement that all service requests MUST be handled - with 100% success (with reasonable performance thresholds satisfied). What would be your steps to ensure that requirement?
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.NET Senior Software Developer

Interviewed at ATS Group

4.4★
Sep 15, 2015

There is WCF service with heavy bottleneck and a client requirement that all service requests MUST be handled - with 100% success (with reasonable performance thresholds satisfied). What would be your steps to ensure that requirement?

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