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Freelance Spanish Data Annotation Specialist

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DocPlanner GmbH

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Location:
Spain , Barcelona

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Contract Type:
Not provided

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Salary:

15.00 EUR / Hour

Job Description:

As a Freelance Data Annotation Specialist at Docplanner, your main focus will be preparing and curating linguistically and medically oriented datasets in Spanish to power our machine learning and natural language processing (NLP) initiatives. You will work independently while maintaining clear communication with our NLP experts, ensuring the accuracy and relevance of our data for the market, and contributing directly to the quality and reliability of our AI-driven products in the medical domain.

Job Responsibility:

  • Prepare and maintain medically oriented datasets for machine learning purposes, ensuring high-quality data annotation and consistency
  • Follow and provide feedback on annotation and labeling conventions, as well as perform audio transcriptions in Italian (aligning audio with text and correcting text based on audio)
  • Implement text patterns to detect and extract named entities in Portuguese, 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 words, sentences, and text structures, ensuring linguistic quality and consistency
  • Deliver high-quality work within established deadlines and communicate proactively about project progress and challenges

Requirements:

  • Native Spanish speaker
  • Full Professional Level of English
  • A degree or strong background in linguistics, computational linguistics, or a related field
  • Familiarity with 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 ability to assess and improve data quality
  • 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
  • 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

Additional Information:

Job Posted:
December 26, 2025

Employment Type:
Parttime
Work Type:
Remote work
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