SpaceXAI take-home interview

Round 2 of 7 · 1 question reported

See the whole loop
Length
240 min
Format
Four-hour CodeSignal project; pick one of several prompts (backend service, RAG service, frontend or mobile app), then record a demo video
They grade
A working, containerized service you can explain line by line in the demo
AI use
AI coding assistants allowed and effectively expected
Heads-up
Not every track. Read the prompts carefully: two backend prompts look alike but one leans toward the model side. Late requirements such as rate limiting can hide in the spec.

Questions SpaceXAI asks in this round 1

  • Post ingestion and LLM scoring pipeline take-homeCodingOver a few hours, build a small pipeline that loads a public dataset of social posts, validates each record against a schema, stores them locally, and runs a worker that sends…
    Last asked Jan 2026