Disputes Lawyer - AI Trainer

Mercor; Madrid; Presencial; EUR 20.000 - 31.000; A tiempo parcial

Descripción de la vacante

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.

You will provide concise written feedback for every evaluation, work independently to deadlines, and participate in an initial ~10 hour commitment with strong

Responsabilidades

• Run the same prompts across two AI (LLM) platforms.
• Compare the outputs from both platforms side by side.
• Score each response against a standardised rubric.
• Submit concise written feedback for every evaluation.

Descripción del empleo

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