Spanish (Spain) Data Labeler

About Mercier Consultancy Group

Mercier Consultancy Group is a premier international staffing firm, renowned for connecting top-tier talent with industry-leading organizations. As a global leader in recruitment and business process outsourcing, we are dedicated to fostering excellence and driving innovation in high-impact professional environments.

Job Overview

We are currently seeking a detail-oriented professional for a Spanish (Spain) Data Labeler position in United States to support the advancement of sophisticated speech and voice AI systems. This pivotal role focuses on building high-quality, structured datasets that power real-world AI, making it an excellent choice for those seeking premium Spanish-speaking jobs in the United States technology sector.

Key Responsibilities

• Evaluate AI model outputs and provide structured, high-quality feedback to refine system accuracy.
• Perform audit-based reviews of language data and model behavior to identify patterns and edge cases.
• Apply annotation guidelines thoughtfully and flag scenarios where instructions do not reflect real-world usage.
• Contribute to the continuous improvement of evaluation frameworks through diligent execution and feedback.
• Identify trends in model performance and communicate key insights to cross-functional stakeholders.
• Participate in team calibrations and discussions to ensure consistency in data labeling standards.
• Partner with team leads to refine quality standards for speech and voice AI projects.
• Document findings in a clear, concise, and actionable manner for project documentation.

Requirements

• Native-level fluency in Spanish (Spain)
• Strong written communication skills and language fundamentals
• Ability to follow detailed instructions and apply guidelines consistently
• High attention to detail and ability to maintain accuracy in repetitive tasks
• Comfort working in structured, process-driven environments
• Must be currently authorized to work in the United States (no relocation package provided)
• Availability to work 100% on-site at our California location

What We Offer

• Competitive Monthly Salary
• Fully Paid Training
• Health Insurance
• And Much More...

Life in United States

Embracing a career in the United States offers an unparalleled opportunity to experience a dynamic culture and world-class professional environment. When you accept a Spanish (Spain) Data Labeler position in United States, you gain access to the vibrant energy of the American tech landscape, paired with the beautiful, sunny climate and diverse landscapes that make the United States a global destination for top talent.

From world-renowned culinary experiences to a high quality of life, the United States provides a unique backdrop for both your personal growth and professional trajectory. We are proud to facilitate these prestigious Spanish-speaking jobs for candidates eager to make their mark on the future of AI within the United States.

How to Apply

If you possess the linguistic precision and analytical mindset required for this role, we invite you to join our team in California. Please click Apply Now to submit your application and start your journey with Mercier Consultancy Group. We look forward to reviewing your profile.