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Emmanuel Uchendu

Emmanuel Uchendu

Data Labeler / AI Data Annotator

NIGERIA flag
Lagos, Nigeria
$10.00/hrIntermediateLabel StudioLabelimgGoogle Cloud Vertex AI

Key Skills

Software

Label StudioLabel Studio
LabelImgLabelImg
Google Cloud Vertex AIGoogle Cloud Vertex AI

Top Subject Matter

General AI training data

Top Data Types

ImageImage
VideoVideo
Computer Code ProgrammingComputer Code Programming

Top Task Types

Text Generation
Fine Tuning
Data Collection
Computer Programming Coding
Classification
Object Detection
Text Summarization
Question Answering
Prompt Response Writing SFT
Function Calling

Freelancer Overview

Data Labeler / AI Data Annotator. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, National Open University of Nigeria (2021) and Bachelor of Science, University of the People (2023). AI-training focus includes data types such as N and A and labeling workflows including N and A.

IntermediateEnglish

Labeling Experience

Data Labeler / AI Data Annotator

ImageClassification
Image Data Annotation for AI Model Training Project Description: This project focused on preparing high-quality labeled image data to support the training and evaluation of computer vision models. The goal was to create a reliable dataset that enables accurate image classification and object detection for real-world applications such as surveillance, healthcare imaging, and smart automation systems. Scope of the Project The project involved end-to-end image annotation, including: Collecting and organizing raw image datasets Preprocessing images for consistency (resizing, format standardization) Annotating images using industry-standard labeling tools Validating and refining annotations for model readiness The scope covered both classification and object detection tasks to ensure versatility in model training. Data Labeling Tasks Performed Image Classification: Assigning a single label to each image (e.g., car, person, animal) Bounding Box Annotation: Drawing boxes around objects of interest and labeling them accordingly Multi-class Labeling: Handling images containing multiple object categories Data Verification: Reviewing annotations to correct inconsistencies and labeling errors Project Size Total Images Annotated: 5,000+ images Number of Classes: 10–15 categories Annotation Type: Classification + Object Detection Team Structure: Individual contributor / small team (adjust as needed) Quality Measures and Standards To ensure high-quality data suitable for AI training, the following standards were maintained: Accuracy Rate: Maintained over 95% labeling accuracy Consistency Checks: Uniform labeling guidelines applied across all images Quality Assurance (QA): Multi-level review process (initial annotation + validation pass) Annotation Guidelines Compliance: Strict adherence to predefined labeling rules Error Reduction: Continuous feedback loop to minimize mislabeling Outcome The annotated dataset significantly improved model performance, leading to better accuracy in object recognition and detection tasks. The project demonstrated the importance of precise data labeling in building reliable AI systems.

Image Data Annotation for AI Model Training Project Description: This project focused on preparing high-quality labeled image data to support the training and evaluation of computer vision models. The goal was to create a reliable dataset that enables accurate image classification and object detection for real-world applications such as surveillance, healthcare imaging, and smart automation systems. Scope of the Project The project involved end-to-end image annotation, including: Collecting and organizing raw image datasets Preprocessing images for consistency (resizing, format standardization) Annotating images using industry-standard labeling tools Validating and refining annotations for model readiness The scope covered both classification and object detection tasks to ensure versatility in model training. Data Labeling Tasks Performed Image Classification: Assigning a single label to each image (e.g., car, person, animal) Bounding Box Annotation: Drawing boxes around objects of interest and labeling them accordingly Multi-class Labeling: Handling images containing multiple object categories Data Verification: Reviewing annotations to correct inconsistencies and labeling errors Project Size Total Images Annotated: 5,000+ images Number of Classes: 10–15 categories Annotation Type: Classification + Object Detection Team Structure: Individual contributor / small team (adjust as needed) Quality Measures and Standards To ensure high-quality data suitable for AI training, the following standards were maintained: Accuracy Rate: Maintained over 95% labeling accuracy Consistency Checks: Uniform labeling guidelines applied across all images Quality Assurance (QA): Multi-level review process (initial annotation + validation pass) Annotation Guidelines Compliance: Strict adherence to predefined labeling rules Error Reduction: Continuous feedback loop to minimize mislabeling Outcome The annotated dataset significantly improved model performance, leading to better accuracy in object recognition and detection tasks. The project demonstrated the importance of precise data labeling in building reliable AI systems.

2025 - 2026

Education

N

National Open University of Nigeria

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2021
U

University of the People

Bachelor of Science, Computer Science

Bachelor of Science
2023

Work History

T

Techyjaunt

Frontend Developer Intern

Virtual (Remote)
2025 - Present
G

Golden Edge Institute

Frontend Developer

Lagos
2025 - Present