How much DSA/Leetcode is actually needed for compiler engineering roles?

Opinions About Compiler Building

How should I start making a language checker?

I finished Futhorc v1.0, my statically typed interpreted language (With Anglo-Saxon rune syntax!)

compiler for a custom programming language i made for school

Retrofitting a build system into a compiler

JIT Compiling Code in 5μs

guidance on becoming a Machine learning compiler engineer

A super sneaky post SSA LICM bug that's not talked about much...

When do modern compilers still emit suboptimal code?