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Sandra Barrientos

Sandra Barrientos

LLM Evaluation and Text Generation Specialist in English & Spanish

El Salvador flagSanta Tecla, El Salvador
$8.00/hrEntry LevelScale AIDon T Disclose

Key Skills

Software

Scale AIScale AI
Don't disclose

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
TextText

Top Task Types

Audio Recording
Classification
Evaluation Rating
RLHF
Text Generation

Freelancer Overview

An expert in audio and text analysis. I've contributed to NLP projects for global client. My background as a translator for more than a decade helps me work in projects both in English and Spanish. I also have professional experience in IT, with data analysis being my favorite topic, making SQL one of my strongest languages.

Entry LevelEnglishSpanish

Labeling Experience

Internationalization trainer

Don T DiscloseAudioRLHFAudio Recording
Ensure the model performs well across multiple languages, dialects and cultural nuances. Tasks involved translating prompts, checking localized expresions and verifying region-specific content.

Ensure the model performs well across multiple languages, dialects and cultural nuances. Tasks involved translating prompts, checking localized expresions and verifying region-specific content.

2025 - 2025

Chatbot trainer

Don T DiscloseTextText GenerationText Summarization
Bot should embody a distinct voice, answering in a natural and dinamic way, aligned with the character it represents.

Bot should embody a distinct voice, answering in a natural and dinamic way, aligned with the character it represents.

2025

Education

E

European Business School of Barcelona

Master's, Project Management

Master's
2023 - 2025
U

Universidad Centroamericana (UCA)

Bachelor, Computer Science

Bachelor
2008 - 2012

Work History

U

Universidad Centroamericana (UCA)

Cybersecurity Administrator

N/A
2023 - 2023
U

Universidad Centroamericana (UCA)

Business Analyst

N/A
2010 - 2023