Wissen Infotech Software Engineer Interview Experience: DSA, SQL, and graph questions

The process was short and very technical. I had two rounds. In the first, I solved two DSA problems by writing actual code and explaining my approach. I also had to dry run the solution, so intuition alone was not enough. The final round had an ED-style format. I was asked about SQL and then worked through two more DSA questions, with graphs appearing in at least part of the problem framing. It f…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.