LinkedIn·Software Engineer·Technical Phone Screen
- Given an array containing only the values 0, 1, and 2, sort it in place.
“Classic Dutch national flag problem.”
Large Enterprises
Most of these LinkedIn write-ups come from Software Engineers (156), then Product Managers (66) and Data Scientists (37). The most reported rounds are the technical phone screen (169), the product sense round (62), the system design round (42) and the behavioral / leadership round (20).
316 interview notes · updated Oct 2026
“Classic Dutch national flag problem.”
“I jumped straight to the user side and talked about discoverability, recruiter reach, that kind of thing.”
“This one took me a second to get my footing.”
“Stared at this for a solid minute before remembering how ancestor matrices even work.”
“This sounds like a standard behavioral prompt until you realize they're not satisfied with 'we reduced latency by 30%.' They kept pushing on what happened after.”
“This sounds easy until you're actually doing it and realize your memory of a two-year-old project is mostly vibes.”
“I went straight to screen reader compatibility and audio cues, which felt safe but probably too narrow.”
“The diagnosis part is what tripped me up.”
“I stared at this for a bit because my brain kept wanting to do the standard LCA recursion from the root, which you just...”
“This is the LFU cache problem and it's nasty if you haven't seen it.”