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Costel Matees

Costel Matees

Data Labeling Specialist (Freelance)

ENGLAND flag
Reading, England
$13.00/hrExpertAppenClickworkerLabelimg

Key Skills

Software

AppenAppen
ClickworkerClickworker
LabelImgLabelImg
CVATCVAT
AWS SageMakerAWS SageMaker

Top Subject Matter

General Domain Expertise
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

Classification
Point Key Point
Object Detection
Text Generation
Question Answering
Text Summarization
Fine Tuning
Transcription

Freelancer Overview

Data Labeling Specialist (Freelance). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes College Degree, N/A (2021). AI-training focus includes data types such as Text and labeling workflows including Classification.

ExpertRomanianEnglish

Labeling Experience

Data Labeling Specialist (Freelance)

TextClassification
Labeled and categorized text and data according to predefined guidelines for accuracy and consistency. Reviewed annotated text for quality assurance, identifying and correcting inconsistencies in the labeled data. Maintained high levels of precision and productivity in a remote, fast-paced environment. • Performed text-based classification and categorization tasks • Validated and verified labeled datasets for quality • Followed detailed workflows to meet project guidelines • Consistently delivered high-quality labeled outputs on time

Labeled and categorized text and data according to predefined guidelines for accuracy and consistency. Reviewed annotated text for quality assurance, identifying and correcting inconsistencies in the labeled data. Maintained high levels of precision and productivity in a remote, fast-paced environment. • Performed text-based classification and categorization tasks • Validated and verified labeled datasets for quality • Followed detailed workflows to meet project guidelines • Consistently delivered high-quality labeled outputs on time

2021 - Present

Image Classification

ImageObject Detection
Worked on an Image Classification project to support computer vision and machine learning systems. Responsibilities included reviewing and labeling large sets of images into predefined categories based on visual content. Followed strict annotation guidelines to ensure consistency and accuracy across the dataset. Performed quality checks by reviewing labeled images to identify and correct inconsistencies, maintaining high standards for AI training data. Managed large volumes of images efficiently, meeting deadlines while maintaining attention to detail. The project required focus, patience, and the ability to work independently in a remote environment.

Worked on an Image Classification project to support computer vision and machine learning systems. Responsibilities included reviewing and labeling large sets of images into predefined categories based on visual content. Followed strict annotation guidelines to ensure consistency and accuracy across the dataset. Performed quality checks by reviewing labeled images to identify and correct inconsistencies, maintaining high standards for AI training data. Managed large volumes of images efficiently, meeting deadlines while maintaining attention to detail. The project required focus, patience, and the ability to work independently in a remote environment.

2022 - 2025

Image Annotation

ImageBounding Box
Performed image annotation tasks to support computer vision and machine learning models. Responsibilities included drawing bounding boxes around objects, classifying images, and tagging visual elements based on predefined guidelines. Worked with large image datasets across different categories, ensuring precise object detection and consistent labeling. Maintained high accuracy by carefully reviewing annotations and correcting inconsistencies when necessary. Followed detailed annotation instructions and quality standards to ensure reliable training data for AI systems. Demonstrated strong attention to detail while working on repetitive tasks and meeting project deadlines.

Performed image annotation tasks to support computer vision and machine learning models. Responsibilities included drawing bounding boxes around objects, classifying images, and tagging visual elements based on predefined guidelines. Worked with large image datasets across different categories, ensuring precise object detection and consistent labeling. Maintained high accuracy by carefully reviewing annotations and correcting inconsistencies when necessary. Followed detailed annotation instructions and quality standards to ensure reliable training data for AI systems. Demonstrated strong attention to detail while working on repetitive tasks and meeting project deadlines.

2020 - 2024

Education

N

N/A

College Degree, Laboratory Chemistry

College Degree
2021 - 2021

Work History

F

Freelance

Content Writer and Editor

Reading
2021 - Present
F

Freelance

Data Entry and Virtual Assistant

Reading
2021 - Present