Litigation Lawyer - Spanish Law Expert

Mercor; Madrid; Presencial; EUR 41.000 - 83.000; Jornada completa

Descripción de la vacante

Mercor partners with a leading legal AI company to benchmark how well AI systems answer real questions of Spanish law. We are hiring experienced litigation and disputes lawyers to serve as expert reviewers—running prompts on two AI platforms, comparing results, and scoring against a standardized rubric.

Initial commitment is ~10 hours with potential for more. You will provide concise feedback under NDA and operate independently to meet deadlines while applying your Spain-based legal expertise

Formación

• At least 2 years (3+ preferred) in litigation, disputes, or contentious practice at a law firm.
• Qualified to practise in Spain (colegiado/a).
• Native or fluent Spanish with precise written communication.
• Able to work independently to a rubric and deadlines.

Responsabilidades

• Run the same prompts across two AI (LLM) platforms.
• Compare outputs side by side and score against a rubric.
• Submit concise written feedback for every evaluation.

Conocimientos

Litigation experience

Disputes

Spanish law

Spanish language

Independent work

Deadline-driven

Educación

Qualified to practise in Spain

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