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Angel Leon

Angel Leon

AI Data Annotator | Image & Text Annotation | Metadata & Content Analysis

Brazil flagRio de Janeiro, Brazil
$15.00/hrEntry LevelRemotasksTagtog

Key Skills

Software

RemotasksRemotasks
TagtogTagtog

Top Subject Matter

AI Training Data & Annotation
Computer Vision & Image Analysis
Natural Language Processing (NLP) & Content Classification

Top Data Types

VideoVideo
TextText
DocumentDocument

Top Task Types

SegmentationSegmentation
Bounding BoxBounding Box
Text SummarizationText Summarization
TranscriptionTranscription
Data CollectionData Collection
ClassificationClassification

Freelancer Overview

Data annotation specialist and multilingual content creator with hands-on experience in AI training projects through Mindy Teams. Skilled in text labeling, content evaluation, and structured data analysis for machine learning models. Strong attention to detail, consistency, and ability to follow complex annotation guidelines across large datasets. Background in copywriting, research, and digital content creation enhances the ability to understand context, tone, and intent—key for high-quality AI training data. Fluent in Spanish, English, and Portuguese, with experience working in global, remote environments.

Entry LevelEnglishSpanishFrench

Labeling Experience

Metadata, Keywords & Content Classification for Adobe Stock

TextSegmentation
Worked on content annotation and metadata optimization tasks, focusing on keyword generation, title creation, and structured tagging for digital assets in Stock resources. Analyzed visual and textual content to generate accurate, high-performing titles and keyword sets aligned with search intent and content relevance. Applied semantic understanding to categorize content, identify themes, and enhance discoverability through structured metadata. Leveraged experience in content creation, SEO, and digital media to interpret context, audience intent, and commercial usability. Ensured consistency, accuracy, and adherence to guidelines while handling large volumes of data.

Worked on content annotation and metadata optimization tasks, focusing on keyword generation, title creation, and structured tagging for digital assets in Stock resources. Analyzed visual and textual content to generate accurate, high-performing titles and keyword sets aligned with search intent and content relevance. Applied semantic understanding to categorize content, identify themes, and enhance discoverability through structured metadata. Leveraged experience in content creation, SEO, and digital media to interpret context, audience intent, and commercial usability. Ensured consistency, accuracy, and adherence to guidelines while handling large volumes of data.

2022 - Present

AI Data Annotator (Image) – Computer Vision & Contextual Analysis

ImageClassification
Worked on AI training projects through Mindy Teams, focusing on image annotation and contextual analysis for computer vision models. Reviewed images to verify accuracy, and visual consistency. Identified and labeled all relevant elements within each image, including objects, text, and contextual cues. Performed detailed analysis to interpret the purpose of the content—such as distinguishing between events, courses, promotions, or informational materials—and extracting structured data like dates, categories, and key attributes. Maintained high annotation quality by following strict guidelines, ensuring consistency across datasets, and applying critical thinking to complex or ambiguous cases. Contributed to the development of accurate and reliable training data for AI systems.

Worked on AI training projects through Mindy Teams, focusing on image annotation and contextual analysis for computer vision models. Reviewed images to verify accuracy, and visual consistency. Identified and labeled all relevant elements within each image, including objects, text, and contextual cues. Performed detailed analysis to interpret the purpose of the content—such as distinguishing between events, courses, promotions, or informational materials—and extracting structured data like dates, categories, and key attributes. Maintained high annotation quality by following strict guidelines, ensuring consistency across datasets, and applying critical thinking to complex or ambiguous cases. Contributed to the development of accurate and reliable training data for AI systems.

2025 - 2025

Education

C

Central University of Venezuela

Bachelor of Literature and Liberal Arts, Literature, Linguistics and Cultural Promotion

Bachelor of Literature and Liberal Arts
2012 - 2017

Work History

F

Freelance

Content Creator and Copywriter

Rio de Janeiro
2019 - Present
F

Freelance

Social Media and Digital Marketing Specialist

Rio de Janeiro
Not specified