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Alberto Sánchez

Alberto Sánchez

LLM Evaluation Specialist in English & Spanish

Spain flagMadrid, Spain
$25.00/hrIntermediateAppenOneforma

Key Skills

Software

AppenAppen
OneFormaOneForma

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
TextText

Top Task Types

Classification
Evaluation Rating
Prompt Response Writing SFT

Freelancer Overview

I have hands-on experience in data labeling and AI training data evaluation, with a focus on quality control and annotation accuracy. My recent work includes evaluating music search relevance and categorization within a structured framework, applying detailed guidelines to ensure high-quality training data for machine learning models. This role has helped me develop strong attention to detail, critical thinking, and consistency when interpreting user intent and content classification.

IntermediateEnglishSpanish

Labeling Experience

No Data Labeling experience added

Alberto S. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

U

Universidad Pontificia Comillas ICADE

Dual Degree, Business Analytics and International Relations

Dual Degree
2020 - 2025
M

Macquarie University

Exchange Program, Business Programs

Exchange Program
2024 - 2024

Work History

P

PwC

M&A Transactions Services Intern

Madrid
2025 - Present
V

Various Venues

Hospitality Staff

Sydney
2024 - 2024