European Hr & Payroll Specialist — Multi-Country Expert

Aleph; Madrid; Remote; EUR 63,000 - 85,000; Full time

Job summary

Mercor is seeking a Human Resources Expert fluent in Spanish for AI training projects. This contract role is remote with 21 hours per week, from Oct 23 to Nov 19. You will partner with AI teams to evaluate HR tasks and ensure compliance with Spanish labor law.

Ideal candidates have 5+ years in HR, a degree from a top-20 university in Spain, and deep knowledge of Estatuto de los Trabajadores, payroll, and social security. Join a cutting-edge field bridging HR and AI research.

Qualifications

• 5+ years in HR (business partnering, employee relations, compensation, or talent).
• Native or fluent in Spanish.
• Degree from a top-20 university in Spain.
• 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 project deadlines.

Skills

HR experience

Spanish language

Education

Degree from top-20 university in Spain

Knowledge of Estatuto de los Trabajadores and payroll

Job description

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: Human Resources Expert, Spanish (Spain) - AI Training
Type: Contract
Compensation: $60/hour
Location: Remote
Duration: Oct 23 to Nov 19
Commitment: 21 hours/week

Role Responsibilities

• Train and evaluate AI agents on realistic professional tasks in Human Resources .
• Build workspaces and files to simulate real 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 project deadlines.

Qualifications

Must-Have

• 5+ years in HR (business partnering, employee relations, compensation, or talent).
• Native or fluent in Spanish .
• Degree from a top-20 university in Spain .
• Knowledge of the Estatuto de los Trabajadores , collective agreements, Social Security, and Spanish payroll.