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Alexandra Guevara Marchan

Alexandra Guevara Marchan

AI Content Reviewer - Technology & Internet

USA flagFrederick, Usa
$16.00/hrEntry LevelOtherOneforma

Key Skills

Software

Other
OneFormaOneForma

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
ImageImage
TextText
VideoVideo

Top Task Types

Bounding Box
Data Collection
Evaluation Rating
Object Detection
Prompt Response Writing SFT
Question Answering
Text Generation
Transcription
Translation Localization

Freelancer Overview

I am a detail-oriented professional with hands-on experience in AI content review, data annotation, and quality control for multimodal AI outputs, including text, image, and video. My work has involved following strict Trust & Safety guidelines, performing product identification and tagging, and evaluating AI-generated content for quality and prompt alignment. I have also graded and corrected Spanish-language podcast transcripts, ensuring high standards of accuracy and clarity. I thrive in remote, feedback-driven environments, consistently delivering precise results while adhering to detailed instructions. My skills include data entry, annotation, content moderation, and reporting, and I am comfortable working independently with flexible schedules.

Entry LevelEnglishSpanish

Labeling Experience

Generalist

OtherImageClassificationObject Detection
AI training project focused on generating prompt–response conversations involving images. Tasks include writing structured prompts and responses that describe, modify, and simulate object movements within images, supporting model training for visual understanding and spatial reasoning.

AI training project focused on generating prompt–response conversations involving images. Tasks include writing structured prompts and responses that describe, modify, and simulate object movements within images, supporting model training for visual understanding and spatial reasoning.

2025

Annotator

OtherImageData Collection
AI image data collection project focused on identifying and extracting color information from images. Tasks include analyzing images to collect dominant and relevant colors and documenting them in structured prompts to train AI models to accurately recognize and interpret colors within visual content.

AI image data collection project focused on identifying and extracting color information from images. Tasks include analyzing images to collect dominant and relevant colors and documenting them in structured prompts to train AI models to accurately recognize and interpret colors within visual content.

2025

Generalist

OtherImageBounding BoxData Collection
AI image annotation project focused on isolating individual subjects from group images (10+ people) using bounding boxes. Tasks include extracting each person to generate new AI images in different contexts or actions, and evaluating the quality, realism, and accuracy of the AI-generated outputs.

AI image annotation project focused on isolating individual subjects from group images (10+ people) using bounding boxes. Tasks include extracting each person to generate new AI images in different contexts or actions, and evaluating the quality, realism, and accuracy of the AI-generated outputs.

2025

Annotator

OtherImageObject Detection
AI image annotation project focused on object labeling and evaluation of AI object recognition. Tasks include tagging and counting objects within images, verifying detection accuracy, and assessing AI performance against defined guidelines and quality standards.

AI image annotation project focused on object labeling and evaluation of AI object recognition. Tasks include tagging and counting objects within images, verifying detection accuracy, and assessing AI performance against defined guidelines and quality standards.

2025

Annotator

OtherImageEvaluation Rating
Involving the review and comparison of AI-generated images. Tasks include evaluating text-to-image outputs, comparing generated images to reference images, assessing sketch-to-image results, and reviewing AI images enhanced toward more realistic or photorealistic outputs. Evaluations focus on prompt adherence, visual quality, and consistency.

Involving the review and comparison of AI-generated images. Tasks include evaluating text-to-image outputs, comparing generated images to reference images, assessing sketch-to-image results, and reviewing AI images enhanced toward more realistic or photorealistic outputs. Evaluations focus on prompt adherence, visual quality, and consistency.

2025

Education

C

CIAP - UCAB

Diploma, Small and Medium Business Development

Diploma
2016 - 2016
U

UNEXPO

Industrial engineering, Engineering

Industrial engineering
2008 - 2013

Work History

R

Remesa SPA

Collections Executive

Santiago de Chile
2019 - 2021
M

Masisa Venezuela

Transport Analyst

Anzoátegui
2016 - 2017