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Javier Dlogokiski

Javier Dlogokiski

AI Trainer | Data Annotation & Labeling Specialist | Data Analysis & ML

Argentina flagBuenos Aires, Argentina
$8.00/hrEntry LevelOtherAws SagemakerData Annotation Tech

Key Skills

Software

Other
AWS SageMakerAWS SageMaker
Data Annotation TechData Annotation Tech

Top Subject Matter

Machine Learning
Nlp Domain Expertise
Computer Vision

Top Data Types

TextText
ImageImage
Computer Code ProgrammingComputer Code Programming

Top Task Types

Fine Tuning
Segmentation
Classification
Entity Ner Classification
Evaluation Rating
Data Collection
Function Calling

Freelancer Overview

My strong foundation in data science equips me with deep technical expertise in data preprocessing, cleaning, normalization, and feature engineering. Because I understand the underlying mechanics of machine learning models, I approach AI training and data labeling with a highly analytical mindset, ensuring that datasets are accurate, consistent, and fully optimized for model deployment. I have hands-on experience preparing and evaluating complex datasets for both Large Language Models and computer vision systems. Through developing multi-class NLP classifiers, convolutional neural networks, and end-to-end data pipelines, I have sharpened my attention to detail and critical evaluation skills. I excel at identifying edge cases, handling ambiguity in raw data, and generating the structured, high-quality feedback required for effective data annotation, model evaluation, and fine-tuning workflows

Entry LevelEnglishSpanish

Labeling Experience

AI Trainer | Data Annotation & Labeling Specialist

OtherTextFine Tuning
Trained Artificial Intelligence models for NLP and computer vision by manually annotating and labeling data. Conducted high-quality data preprocessing, normalization, and transformation to enhance Large Language Models (LLMs) and AI systems. Generated gold standard labeled datasets and performed model evaluation and feedback. • Experience with large-scale text and image data annotation • Used Python and key Machine Learning libraries for data cleaning and labeling • Labeled datasets for multi-class classification and entity recognition • Focused on optimizing LLM and AI model performance through directed annotation

Trained Artificial Intelligence models for NLP and computer vision by manually annotating and labeling data. Conducted high-quality data preprocessing, normalization, and transformation to enhance Large Language Models (LLMs) and AI systems. Generated gold standard labeled datasets and performed model evaluation and feedback. • Experience with large-scale text and image data annotation • Used Python and key Machine Learning libraries for data cleaning and labeling • Labeled datasets for multi-class classification and entity recognition • Focused on optimizing LLM and AI model performance through directed annotation

2024 - Present

Education

T

Teclab Higher Technical Institute

Senior Technician in Data Science, Data Science

Senior Technician in Data Science
2024 - 2026

Work History

P

Potenciar Solidario Foundation

Data Analyst

Buenos Aires
2024 - 2024