Spanish Language Expert for AI Data Annotation

This role ensures Spanish-language data used to train and evaluate AI is linguistically accurate, culturally appropriate, and consistently annotated. You will apply deep Spanish language expertise to label, review, and improve datasets that influence how frontier AI systems understand and generate Spanish. The position is remote, part-time, and contributes directly to high-impact AI training and evaluation work at a leading AI data lab. Role Overview

Work as a Spanish Language Expert contributing to data annotation and linguistic quality assurance for AI projects. Deliver precise Spanish annotations, offer cultural and linguistic guidance, and help maintain high-quality annotated datasets that improve model performance.

• Annotate and label Spanish-language data with precision and consistent application of guidelines.
• Collaborate with cross-functional teams to clarify project requirements and provide linguistic insights.
• Review, edit, and validate annotated datasets to ensure quality standards are met.
• Identify linguistic nuances, recurring issues, and potential challenges in Spanish data and recommend process improvements.
• Maintain and update documentation of annotation guidelines and best practices.
• Communicate findings and recommendations clearly in written and verbal form.
• Participate in remote meetings to share expertise and support language-related discussions.

• Native or near-native fluency in Spanish, including strong command of grammar, vocabulary, and idiomatic usage.
• Proven experience in data annotation or linguistic quality assurance.
• Bilingual proficiency, with professional-level English communication skills.
• Meticulous attention to detail and high standards for accuracy.
• Excellent written and verbal communication skills and a proactive, collaborative approach.
• Ability to work independently and manage time effectively in a remote setting.
• Familiarity with digital tools and platforms used for data annotation and team collaboration.

Preferred Qualifications

• Prior experience supporting AI, natural language processing, or other data-driven language projects.
• Background in linguistics, translation, or a related field.
• Demonstrated adaptability in fast-paced, dynamic environments.

• Employment type: Part-time.
• Location: Fully remote, work from anywhere.
• Schedule: Flexible part-time commitment, with participation in remote meetings as required.
• Work involves collaborating with distributed teams and maintaining up-to-date annotation documentation.

• Pay rate: $90 - $130 per hour.

• Must have native or near-native Spanish proficiency and professional-level English.
• Must be able to work remotely and independently, manage a flexible part-time schedule, and join remote meetings as needed.
• Comfort using digital annotation tools and online collaboration platforms is required.