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S

Sirena Guerrero

AI Trainer

USA flagRemote, Usa
$19.00/hrEntry LevelAppenData Annotation TechLabelbox

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
LabelboxLabelbox
MercorMercor
MindriftMindrift
OneFormaOneForma
TolokaToloka

Top Subject Matter

AI/Machine Learning - Search Evaluation
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument
AudioAudio

Top Task Types

Evaluation/RatingEvaluation/Rating
TranscriptionTranscription

Freelancer Overview

AI Trainer. Brings 13+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes High School Diploma, New Braunfels High School (2013). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Entry LevelEnglish

Labeling Experience

AI Trainer

OtherText
As an AI Trainer, I curated and labeled datasets to enhance the accuracy and performance of machine learning models. I participated in data annotation, labeling, and quality control to ensure consistency and high standards in AI training data. My role included analyzing model output to identify improvements and implementing feedback mechanisms for model refinement. • Labeled and evaluated training data focused on user search intent and relevance. • Engaged in continuous quality assurance to maintain data integrity. • Supported long-term evaluation projects targeting search optimization. • Utilized contract-based platforms to manage task workflow effectively.

As an AI Trainer, I curated and labeled datasets to enhance the accuracy and performance of machine learning models. I participated in data annotation, labeling, and quality control to ensure consistency and high standards in AI training data. My role included analyzing model output to identify improvements and implementing feedback mechanisms for model refinement. • Labeled and evaluated training data focused on user search intent and relevance. • Engaged in continuous quality assurance to maintain data integrity. • Supported long-term evaluation projects targeting search optimization. • Utilized contract-based platforms to manage task workflow effectively.

2024 - 2025

Education

N

New Braunfels High School

High School Diploma, General Education

High School Diploma
2013 - 2013

Work History

U

USAA

Licensed Insurance Agent

Remote
2025 - Present
G

Google Fiber

Technical Support Specialist

San Marcos, TX
2019 - 2020