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Dudu Nassif

Dudu Nassif

Data Annotator/ AI Trainer

BRAZIL flag
Rio de Janeiro, Brazil
$20.00/hrIntermediateData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

Evaluation Rating

Freelancer Overview

I am a Data annotator with one year of hands-on experience working on diverse AI training and evaluation tasks. Strong ability to adapt quickly to new task requirements, maintain high quality standards, and work across multiple domains including text, coding, mathematics, and image-based labeling. Experienced in research, fact-checking, and generalist annotation workflows for machine learning models.

IntermediateEnglishPortuguese

Labeling Experience

Data Annotation Tech

Data Annotator / AI Training Contributor

Data Annotation TechTextEvaluation Rating
Worked as a data annotator and AI training contributor handling diverse data labeling and evaluation tasks for over a year. Responsibilities included labeling and evaluating text, image, coding, and mathematics-based data for machine learning model training. Ensured high-quality annotation by performing fact-checking, research, and generalist adaptation across task domains. • Labeled text and code data for training language and coding models. • Provided evaluation and quality assurance for mathematical reasoning and image-based tasks. • Adapted rapidly to evolving project guidelines and detailed instructions. • Maintained consistency, reliability, and high standard outputs across all assigned labeling projects.

Worked as a data annotator and AI training contributor handling diverse data labeling and evaluation tasks for over a year. Responsibilities included labeling and evaluating text, image, coding, and mathematics-based data for machine learning model training. Ensured high-quality annotation by performing fact-checking, research, and generalist adaptation across task domains. • Labeled text and code data for training language and coding models. • Provided evaluation and quality assurance for mathematical reasoning and image-based tasks. • Adapted rapidly to evolving project guidelines and detailed instructions. • Maintained consistency, reliability, and high standard outputs across all assigned labeling projects.

2023 - 2024

Education

F

Federal University of Rio de Janeiro

Bachelor of Science, Computer Science

Bachelor of Science
2023 - 2025
F

Federal Center for Technological Education of Rio de Janeiro

Technical Degree, Electronics

Technical Degree
2020 - 2022

Work History

E

EJCM

Front-End Developer

Rio de Janeiro
2024 - 2025
E

Excm

Intern

Rio de Janeiro
2022 - 2022