Mercor is partnering with a leading legal AI company to benchmark how well AI systems answer real questions of

Spanish law . We are hiring experienced

in-house counsel

to serve as expert reviewers — running the same prompts through two AI platforms, comparing the answers, and scoring them against a standardized rubric.
What you'll do

Run the same set of prompts across

two AI (LLM) platforms
Compare the outputs from both platforms side by side
Score each response against a

standardized rubric

we provide
Submit concise written feedback for every evaluation
Requirements

5+ years

as in-house legal counsel practising in

Spain
Strong command of Spanish law, especially

commercial and contract

matters
Sharp attention to detail and precise written communication
Able to work independently to a rubric and to deadlines
Logistics

Initial commitment:

~10 hours, with strong potential for more
Confidentiality:

all work is covered by NDA

📌 Spanish Law Expert (Madrid)
🏢 Mercor
📍 Madrid