Freelance Spanish Data Annotation Specialist

TL;DR

Freelance Spanish Data Annotation Specialist: Preparing and curating linguistically and medically oriented Spanish datasets for AI and NLP initiatives in healthcare with an accent on data quality and medical terminology. Focus on annotating, transcribing, and analyzing text to support machine learning models in the medical domain.

Location: 100% Remote within Spain

Salary: 15 EUR per hour

Company

hirify.global is a healthcare technology company empowering patients and doctors with AI-driven solutions and a marketplace trusted by millions across 13 countries.

What you will do

• Prepare and maintain medically oriented datasets for machine learning with high-quality annotation.
• Provide feedback on annotation conventions and perform audio transcriptions in Italian.
• Implement text patterns to detect named entities in Portuguese for NLP systems.
• Contribute to Spanish dictionaries and taxonomies for NLP.
• Evaluate linguistic quality and consistency of text data.
• Deliver high-quality work independently within deadlines and communicate progress.

Requirements

• Native Spanish speaker with full professional English proficiency.
• Background in linguistics, computational linguistics, or related field.
• Familiarity with medical terminology or healthcare domain experience.
• Experience with data annotation, transcription, and labeling tools.
• Proficiency in text analysis and NLP-related tasks.
• Strong self-management and attention to detail.

Nice to have

• Experience in AI, machine learning, or data preparation projects.
• Knowledge of multiple languages or dialects.
• Exposure to medical coding systems or electronic health records.
• Previous freelance annotation or linguistic project experience.

Culture & Benefits

• 100% remote-friendly work environment.
• Flexible freelance contract.
• Opportunity to contribute to impactful healthcare AI products.