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

litigation & disputes lawyers

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

Primarily law-firm experience

— at least

2 years (3+ preferred)

at a law firm in

litigation, disputes, or contentious

practice.



If you are currently in-house, that is fine only if you moved in-house

within the last 2 years

and your prior experience was at a law firm.
Qualified to practise in Spain

(colegiado/a), with a strong command of Spanish litigation and procedural law
Native or fluent

Spanish , with 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

📌 Litigation Lawyer (Madrid)
🏢 Obsidian
📍 Madrid