Freelance – Spanish Data Annotation Specialist (100% Remote within Europe)

Stack

Responsibilities

• ▹Prepare and maintain medically oriented datasets for machine learning purposes, ensuring high-quality annotation and consistency
• ▹Follow and provide feedback on annotation and labeling conventions, and perform audio transcriptions in Spanish (aligning audio with text and correcting text based on audio)
• ▹Implement text patterns to detect and extract named entities in Spanish, such as names, addresses, organization names, ID numbers and medical terms
• ▹Contribute to dictionaries and taxonomies in Spanish for use in NLP systems
• ▹Evaluate the correctness and accuracy of Spanish words, sentences and text structures
• ▹Deliver high-quality work within established deadlines and communicate proactively about progress and challenges

Requirements

• ▹Native Spanish speaker and Full Professional Level of English
• ▹A degree or strong background in Italian linguistics, computational linguistics, or a related field
• ▹Familiarity with Spanish medical terminology or prior experience in the healthcare domain
• ▹Hands-on experience with data annotation, transcription and labeling tools
• ▹Proficiency in working with text patterns and dictionaries for NLP purposes
• ▹Exceptional attention to detail
• ▹Strong ability to work independently, manage time effectively and consistently meet deadlines

Nice to have

• ▹Previous experience in AI, machine learning, or data preparation projects
• ▹Knowledge of multiple languages or dialects beyond Spanish and English
• ▹Exposure to medical coding systems (e.g., ICD, CPT) or electronic health records (EHR)
• ▹Experience working as a freelancer on similar annotation or linguistic projects

Soft skills