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Ariadna Solé Rubio

AI Data Annotator & Language Specialist

Spain flagEl Pla de Santa Maria, Spain
$20.00/hrIntermediateAppenLabel StudioMicro1

Key Skills

Software

AppenAppen
Label StudioLabel Studio
Micro1
MindriftMindrift
OneFormaOneForma
SuperAnnotateSuperAnnotate
TolokaToloka
TelusTelus

Top Subject Matter

Natural Language Processing
Multilingual Content
Transcription

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Classification
Bounding Box
Segmentation
Object Detection
Text Generation
Question Answering
Text Summarization
Transcription
Evaluation Rating

Freelancer Overview

AI Data Annotator & Language Specialist. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen. Education includes Bachelor of Arts, Universitat Oberta de Catalunya (2024) and Master of Arts, Escuela Cursiva (2025). AI-training focus includes data types such as Text and labeling workflows including Classification.

IntermediateEnglishCatalanSpanishGerman

Labeling Experience

Appen

AI Data Annotator & Language Specialist

AppenTextClassification
As an AI Data Annotator and Language Specialist, I annotated and labeled datasets for machine learning and NLP models to ensure high accuracy and consistency. My tasks included text classification, sentiment analysis, and multilingual content evaluation using strict project guidelines. I also reviewed and refined AI-generated outputs to enhance fluency, coherence, and linguistic quality. • Worked primarily with multilingual datasets in Spanish, Catalan, and English. • Maintained performance metrics and consistently met project quality standards. • Adapted quickly to new tools, guidelines, and domain requirements. • Engaged in remote freelance work via platforms such as Appen and similar services.

As an AI Data Annotator and Language Specialist, I annotated and labeled datasets for machine learning and NLP models to ensure high accuracy and consistency. My tasks included text classification, sentiment analysis, and multilingual content evaluation using strict project guidelines. I also reviewed and refined AI-generated outputs to enhance fluency, coherence, and linguistic quality. • Worked primarily with multilingual datasets in Spanish, Catalan, and English. • Maintained performance metrics and consistently met project quality standards. • Adapted quickly to new tools, guidelines, and domain requirements. • Engaged in remote freelance work via platforms such as Appen and similar services.

2024 - Present

Education

U

Universitat Oberta de Catalunya

Bachelor of Arts, Translation, Interpreting, and Applied Languages

Bachelor of Arts
2020 - 2024
E

Escuela Cursiva

Master of Arts, Professional Publishing

Master of Arts
2025

Work History

F

Freelance

Freelance Translator

El Pla de Santa Maria
2022 - Present