Meta·Product Manager·Onsite - Product Sense / Strategy
- Design a lending library for communities.
“I spent the first minute or two just trying to nail down what 'community' even means here.”
FAANG / Big Tech
Most of these Meta write-ups come from Software Engineers (1,194), then Data Scientists (489) and Product Managers (453). The most reported rounds are the technical phone screen (1,190), the product sense round (466), the system design round (255) and the behavioral / leadership round (205).
2377 interview notes · updated Jul 2026
“I spent the first minute or two just trying to nail down what 'community' even means here.”
“The naive approach of expanding weights into a giant array works but kills you on memory.”
“I walked in with a fully memorized large-scale design and just started reciting it.”
“Two pointer approach gets you there.”
“Took me a second to even parse what they were asking.”
“This is the one I actually felt okay about.”
“I jumped straight to sorting and converting everything to minutes, which was fine.”
“My first instinct was a hashmap from index to value, which is fine, but then they asked what happens when one vector is dense and the other is sparse.”
“The hashmap version I got out pretty cleanly.”
“This is where I spent most of my mental energy.”