SLB Full Stack Engineer interview: puzzle, project discussion, DSA, and design

My process opened with a general HR-style introduction and then moved into technical rounds. The first technical round was light, with a basic puzzle that felt more like a check on how I think than a demand for deep mastery. A project discussion followed and became a standard conversation about explaining my work clearly. The next technical round shifted to medium-level DSA with basic system desi…

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