FrontendHigh signalAround since 2020
Module Federation
A Webpack feature (now in other bundlers too) that lets separately built and deployed frontend apps share code and load each other's parts at runtime. It's the most common way micro-frontends are wired together.
Think of it like
Different shops in a mall, each run and restocked independently, sharing one entrance and one set of signs.
Junior or senior?
A large-organisation signal: many teams shipping one product.
Senior sounds like
Talks about shared-dependency version clashes, which is the classic pain.
Ask them
“What happened when two teams needed different versions of the same shared library?”