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Erik Arevalo

Erik Arevalo

Data Labeler/Annotation Specialist

Bolivia flagcochabamba, Bolivia
$13.00/hrEntry LevelLabelboxAws SagemakerOther

Key Skills

Software

LabelboxLabelbox
AWS SageMakerAWS SageMaker
Other
CVATCVAT

Top Subject Matter

Machine Learning
Computer Vision
Nlp Domain Expertise

Top Data Types

ImageImage
VideoVideo
TextText
AudioAudio

Top Task Types

Bounding Box
Segmentation
Point Key Point
Classification
Entity Ner Classification

Freelancer Overview

Data Labeler/Annotation Specialist. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, CVAT, and MakeSense.ai. Education includes Secondary Education Certificate, Águilas de America (2018) and Bachelor of Science, Universidad Privada Franz Tamayo 'UNIFRANZ' (2025). AI-training focus includes data types such as Image, Video, and Text and labeling workflows including Bounding Box, Segmentation, and Point.

Entry LevelEnglish

Labeling Experience

Labelbox

Data Labeler/Annotation Specialist

LabelboxImageBounding BoxSegmentation
Served as a data labeler responsible for the precise annotation of images, text, video, and audio to enhance AI and Machine Learning models. Utilized annotation guides to undertake bounding boxes, semantic segmentation, keypoint annotation, category classification, and Named Entity Recognition (NER). Focused on quality assurance, peer review, and rigorous adherence to productivity and accuracy standards. • Successfully labeled over 25,853 images/videos/texts, strictly following complex annotation guides. • Participated in quality assurance processes, helping to reduce error rates by 15%. • Maintained over 95-98% accuracy on daily/weekly targets while reporting inconsistencies in labeling guides. • Collaborated with the Machine Learning team to refine project annotation rules.

Served as a data labeler responsible for the precise annotation of images, text, video, and audio to enhance AI and Machine Learning models. Utilized annotation guides to undertake bounding boxes, semantic segmentation, keypoint annotation, category classification, and Named Entity Recognition (NER). Focused on quality assurance, peer review, and rigorous adherence to productivity and accuracy standards. • Successfully labeled over 25,853 images/videos/texts, strictly following complex annotation guides. • Participated in quality assurance processes, helping to reduce error rates by 15%. • Maintained over 95-98% accuracy on daily/weekly targets while reporting inconsistencies in labeling guides. • Collaborated with the Machine Learning team to refine project annotation rules.

2022 - 2024

Education

U

Universidad Privada Franz Tamayo 'UNIFRANZ'

Bachelor of Science, Financial Engineering

Bachelor of Science
2021 - 2025
C

CIPEC Rite

Technical Diploma, Computer Operation

Technical Diploma
2019 - 2019

Work History

I

Ilumina Bolivia S.R.L

Sales Agent

Cochabamba
2025 - 2025
E

Emstel

Administrative Assistant

Madrid
2024 - 2024