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Cristian Pineda Perez

Cristian Pineda Perez

AI Annotation Specialist - Machine Learning Models

USA flag
Marietta, Usa
$15.00/hrEntry LevelLabelboxOther

Key Skills

Software

LabelboxLabelbox
Other

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
ImageImage
TextText
VideoVideo

Top Label Types

Audio Recording
Bounding Box
Evaluation Rating
Prompt Response Writing SFT
Question Answering
Text Generation
Text Summarization
Transcription

Freelancer Overview

I am an AI annotation specialist with hands-on experience at Outlier, where I contributed to the improvement of machine learning models by performing detailed data labeling and rigorous quality assurance. My work has focused on audio, image, and video annotation, requiring strong analytical skills, precision, and strict adherence to complex guidelines to ensure high-quality training data. I am passionate about supporting the development of innovative AI technologies and thrive in environments that demand accuracy and attention to detail. Currently, I am expanding my technical foundation by studying Cyber Security and web development, and I am eager to apply my data annotation expertise to remote roles focused on model improvement and data quality.

Entry LevelEnglishSpanish

Labeling Experience

AI Data Annotator / AI Trainer

OtherImageEvaluation Rating
I evaluated and graded AI-generated responses for accuracy, relevance, and compliance with detailed guidelines. I labeled and categorized large text datasets to enhance machine learning model performance and provided structured feedback to guide AI refinement. My responsibilities included identifying inconsistencies, performing quality checks, and participating in annotation quality review cycles. • Labeled both text and video-based AI outputs. • Ensured high accuracy and consistency in all annotations. • Followed project-specific guidelines to improve data quality. • Worked remotely using specialized AI annotation platforms.

I evaluated and graded AI-generated responses for accuracy, relevance, and compliance with detailed guidelines. I labeled and categorized large text datasets to enhance machine learning model performance and provided structured feedback to guide AI refinement. My responsibilities included identifying inconsistencies, performing quality checks, and participating in annotation quality review cycles. • Labeled both text and video-based AI outputs. • Ensured high accuracy and consistency in all annotations. • Followed project-specific guidelines to improve data quality. • Worked remotely using specialized AI annotation platforms.

2025 - 2023

Education

M

Mount Tabor High School

High School Diploma, General Studies

High School Diploma
2016 - 2020

Work History

O

Outlier

AI Data Annotator

Marietta
2025 - Present