CoreWeave technical phone screen interview

Round 2 of 7 · 2 questions reported

Length: 60 min
Format: Practical coding in CoderPad, Python or Go
They grade: Working, concurrent code against a small service or API
Heads-up: Recruiters describe it as concurrency, not LeetCode-style. Reported tasks: a concurrent CLI that queries a local service, coordinating threads and inspecting them on Linux, filtering records with boolean predicates. One senior candidate had a Go-only screen.

Questions CoreWeave asks in this round 2

C
Run a function on several threads and inspect them on LinuxCodingYou are given a function and asked to call it on several threads at once using only the basic thread primitives of your language (no thread or process pools, no asyncio). Start…
Last asked Sep 2026
C
Concurrent Python CLI that queries a local serviceCodingWrite a Python command-line tool that looks things up in a service running locally over HTTP, keyed by serial number. 1. Take a list of serial numbers and call the service for…
Last asked Sep 2026