Key Skills

Software

Labelbox

Prodigy

Top Subject Matter

Autonomous Driving

Natural Language Processing (NLP)

Top Data Types

Image

Text

Top Task Types

Segmentation

Classification

Freelancer Overview

Analista Senior de Anotación de Datos. Core strengths include Labelbox and Prodigy. Education includes Bachelor of Science, Universidad Nacional de Tecnología (2020). AI-training focus includes data types such as Image and Text and labeling workflows including Segmentation and Classification.

Labeling Experience

Analista Senior de Anotación de Datos

LabelboxImageSegmentation

Led the annotation of over 100,000 images for autonomous driving systems, specifically using semantic segmentation and bounding boxes. Developed and refined labeling guidelines to enhance inter-annotator consistency by 15%. Managed quality assurance through random audits and validation of complex datasets. Collaborated closely with machine learning engineers to identify and resolve model misclassifications. • Large-scale image labeling for autonomous vehicle applications • Implementation and revision of annotation protocols • Quality control and auditing of labeled datasets • Cross-functional teamwork to support ML model improvement

Led the annotation of over 100,000 images for autonomous driving systems, specifically using semantic segmentation and bounding boxes. Developed and refined labeling guidelines to enhance inter-annotator consistency by 15%. Managed quality assurance through random audits and validation of complex datasets. Collaborated closely with machine learning engineers to identify and resolve model misclassifications. • Large-scale image labeling for autonomous vehicle applications • Implementation and revision of annotation protocols • Quality control and auditing of labeled datasets • Cross-functional teamwork to support ML model improvement

2022 - Present

Etiquetador de Datos (NLP)

ProdigyTextClassification

Performed sentiment classification and intent analysis on multilingual text data for customer service chatbots. Annotated named entities in legal and financial documents, contributing to advanced NER projects. Transcribed and conducted phonetic labeling of audio files to improve voice recognition models. Utilized multiple annotation tools to support various natural language processing applications. • Sentiment analysis and intent labeling for NLP systems • Named entity recognition in specialized document domains • Speech transcription and phonetic annotation for ASR • Use of tools including Prodigy, Labelbox, and Amazon SageMaker Ground Truth

Performed sentiment classification and intent analysis on multilingual text data for customer service chatbots. Annotated named entities in legal and financial documents, contributing to advanced NER projects. Transcribed and conducted phonetic labeling of audio files to improve voice recognition models. Utilized multiple annotation tools to support various natural language processing applications. • Sentiment analysis and intent labeling for NLP systems • Named entity recognition in specialized document domains • Speech transcription and phonetic annotation for ASR • Use of tools including Prodigy, Labelbox, and Amazon SageMaker Ground Truth

2020 - 2021

Education

Work History