Susquehanna International Group Quantitative Analyst interview: optimization and timed assessments

The assessments made runtime and optimization as important as getting the answer right. I took an OA and then a general coding assessment covering hash maps, binary search, queues and heap operations. The questions became harder as I went, so I needed to finish the early ones quickly enough to leave time for the later work. One later problem hit a runtime limit, and I had to improve my first solu…

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