Spanish Litigation Lawyer - Expert

Mercor; Madrid; Presencial; EUR 40.000 - 65.000; Jornada completa

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.

Initial commitment is ~10 hours with strong potential for more; all work is covered by NDA.

Formación

• Primarily law-firm experience — at least 2 years (3+ preferred) at a law firm in litigation, disputes, or contentious practice.
• In-house experience acceptable only if moved in-house within the last 2 years and prior law-firm experience.
• Qualified to practise in Spain (colegiado/a) with strong command of Spanish litigation and procedural law.
• Native or fluent Spanish, with precise written communication.

Responsabilidades

• Run the same 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.

Conocimientos

Litigation experience

Spanish proficiency

Educación

Qualified to practise in Spain (COLEGIAdo)

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