Carolina Doncel Rincon

Key Skills

Software

Other

Appen

Top Subject Matter

Linguistics / Spanish Language

Social Media / Content Moderation

Legal Services & Contract Review

Top Data Types

Text

Video

Document

Top Task Types

No task types listed

Freelancer Overview

Freelance Linguistic Data Annotator. Brings 15+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Appen. Education includes Master of Communication Research, Universidad Carlos III de Madrid (2025) and Master of Applied Languages, Universitat de Lleida (2015). AI-training focus includes data types such as Text and labeling workflows including Annotation, Evaluation, and Rating.

Labeling Experience

Freelance Linguistic Data Annotator

OtherText

Annotated linguistic data to support language processing and AI-related projects. Carefully labeled textual data, ensuring accuracy for downstream NLP model training. Applied specific linguistic guidelines to enhance dataset quality and utility. • Provided high-quality text annotations for Spanish language tasks. • Ensured compliance with project requirements and quality benchmarks. • Contributed to improved language data processing and AI applications. • Balanced large annotation volumes alongside translation and transcription work.

Annotated linguistic data to support language processing and AI-related projects. Carefully labeled textual data, ensuring accuracy for downstream NLP model training. Applied specific linguistic guidelines to enhance dataset quality and utility. • Provided high-quality text annotations for Spanish language tasks. • Ensured compliance with project requirements and quality benchmarks. • Contributed to improved language data processing and AI applications. • Balanced large annotation volumes alongside translation and transcription work.

2015 - Present

Social Media Evaluator

AppenText

Evaluated and rated social media content according to detailed project guidelines. Labeled data for language model improvement and digital content moderation tasks. Identified trends, inconsistencies, and contributed to continuous data quality feedback loops. • Applied annotation guidelines to ensure data quality for AI training. • Collaborated remotely with international crowdsourcing teams. • Facilitated refining content ranking systems for social media algorithms. • Ensured consistent labeling standards across large volumes of data.

Evaluated and rated social media content according to detailed project guidelines. Labeled data for language model improvement and digital content moderation tasks. Identified trends, inconsistencies, and contributed to continuous data quality feedback loops. • Applied annotation guidelines to ensure data quality for AI training. • Collaborated remotely with international crowdsourcing teams. • Facilitated refining content ranking systems for social media algorithms. • Ensured consistent labeling standards across large volumes of data.

2020 - 2024

Education

Work History