Remote HR Generalist for AI Training (Spain)

Ethos; Marbella; Remote; EUR 61,000 - 86,000; Full time

Job summary

Mercor is seeking a Human Resources Expert (Spain) for a fully remote contract role. You will train and evaluate AI agents on HR tasks, build HR environments, and write prompts with rubrics based on Spanish HR practices. Collaboration with AI teams and independent, asynchronous work are required.

Requirements include 5+ years in HR, native or fluent Spanish, and a degree from a top-20 university in Spain with knowledge of Estatuto de los Trabajadores and payroll.

Qualifications

• 5+ years of experience in HR (business partnering, employee relations, compensation, or talent).
• Native or fluent in Spanish.
• Knowledge of the Estatuto de los Trabajadores, collective agreements, Social Security, and Spanish payroll.

Responsibilities

• Train and evaluate AI agents on realistic HR tasks.
• Build workspaces and files to simulate HR environments.
• Write prompts and create grading rubrics based on HR practices in Spain.
• Collaborate with AI research teams to improve task accuracy and relevance.
• Work independently and asynchronously to meet deadlines.

Skills

5+ years HR

Spanish proficiency

Payroll knowledge (Spain)

HR processes

Education

Degree from a top-20 university in Spain

Job description

Mercor is seeking a Human Resources Expert (Spain) for a fully remote contract role. You will train and evaluate AI agents on HR tasks, build HR environments, and write prompts with rubrics based on Spanish HR practices. Collaboration with AI teams and independent, asynchronous work are required.

Requirements include 5+ years in HR, native or fluent Spanish, and a degree from a top-20 university in Spain with knowledge of Estatuto de los Trabajadores and payroll.