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Juan Francisco Atencio

Juan Francisco Atencio

Spanish specialist with experience in LLM training and data labeling.

Argentina flagMar del Plata, Argentina
$8.00/hrIntermediateAppenOther

Key Skills

Software

AppenAppen
Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Task Types

Question Answering
Text Generation
Text Summarization

Freelancer Overview

Multidisciplinary content editor and freelance data annotator with experience in LLM training, text classification, and digital content evaluation. Native Spanish speaker with advanced English proficiency and a background in linguistics and literature. Skilled in using AI tools and performing data labeling tasks for NLP applications.

IntermediateEnglishSpanish

Labeling Experience

Data Annotator (Spanish Specialist)

OtherTextText GenerationText Summarization
• Conducted linguistic and content evaluations to support the training and optimization of large language models (LLMs), with emphasis on annotation, quality review, and language analysis. Essential Duties: • Annotated and labeled data to support machine learning and natural language processing tasks. • Evaluated content for linguistic accuracy, cultural relevance, and alignment with project guidelines. • Followed detailed task instructions and applied best practices to ensure consistency and quality. • Reported issues, bugs, or ambiguities encountered during task execution to improve workflows and tools.

• Conducted linguistic and content evaluations to support the training and optimization of large language models (LLMs), with emphasis on annotation, quality review, and language analysis. Essential Duties: • Annotated and labeled data to support machine learning and natural language processing tasks. • Evaluated content for linguistic accuracy, cultural relevance, and alignment with project guidelines. • Followed detailed task instructions and applied best practices to ensure consistency and quality. • Reported issues, bugs, or ambiguities encountered during task execution to improve workflows and tools.

2025

Ads Quality Rater

OtherVideoTranslation Localization
• Reviewed and assessed online advertisements to ensure their relevance and effectiveness, providing feedback to enhance the end-user experience. • Evaluated ads based on search queries, keywords, user location, and other variables. • Provided ratings for ads to contribute to improving targeted marketing and overall internet advertising quality. Essential Duties: • Performed data labeling in target language(s) for machine learning on a variety of tasks, conducting research as needed. • Determined whether language and style were appropriate to cultural and geopolitical target locales. • Maintained attention to detail and followed task instructions applying best practices consistently. • Adhered to productivity and quality standards. • Reported bugs and issues as they occurred.

• Reviewed and assessed online advertisements to ensure their relevance and effectiveness, providing feedback to enhance the end-user experience. • Evaluated ads based on search queries, keywords, user location, and other variables. • Provided ratings for ads to contribute to improving targeted marketing and overall internet advertising quality. Essential Duties: • Performed data labeling in target language(s) for machine learning on a variety of tasks, conducting research as needed. • Determined whether language and style were appropriate to cultural and geopolitical target locales. • Maintained attention to detail and followed task instructions applying best practices consistently. • Adhered to productivity and quality standards. • Reported bugs and issues as they occurred.

2023

Education

U

Universidad Nacional de Mar del Plata

Bachelor's Degree, Literature And Linguistics

Bachelor's Degree
2007 - 2015

Work History

E

ElBibliote.com

Writer and Editor

Mar del Plata
2015 - Present