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I
Izuchukwu O.

Izuchukwu O.

AI Data Annotator - Image and Video Labeling

Nigeria flagOjo, Nigeria

Key Skills

Software

TelusTelus
TolokaToloka
OneFormaOneForma
MindriftMindrift
Micro1
LionbridgeLionbridge
LabelboxLabelbox
CVATCVAT
ClickworkerClickworker
AppenAppen

Top Subject Matter

Data Entry Specialist - IT Industry/Services
AWS Cloud Computing Instructor - Education
Infrastructure Engineer - IT Infrastructure

Top Data Types

ImageImage
TextText
AudioAudio

Top Task Types

ClassificationClassification
Bounding BoxBounding Box
Question AnsweringQuestion Answering
Fine-tuningFine-tuning
Data CollectionData Collection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Evaluation/RatingEvaluation/Rating
TranscriptionTranscription

Freelancer Overview

I have experience working with data annotation, data classification, and quality assurance tasks that support AI and machine learning model development. My background includes reviewing, categorising, and labelling structured and unstructured data while maintaining accuracy, consistency, and adherence to project guidelines. I am proficient in handling text-based, image and video datasets, performing data validation, identifying anomalies, and ensuring high-quality training data for AI systems. My analytical skills, attention to detail, and ability to follow complex annotation instructions enable me to deliver reliable results within strict deadlines. In addition to data labelling, I have developed strong technical skills through my studies and practical experience in technology-related fields, including cloud computing, data management, and research. I have worked on projects requiring data collection, organisation, and analysis, which strengthened my understanding of data quality and model performance. I am a fast learner, adaptable to new annotation tools and workflows, and committed to maintaining high accuracy standards. My combination of technical knowledge, problem-solving abilities, and dedication to quality makes me well-suited for AI training data and data labelling roles.

Labeling Experience

Data annotation specialist

ImageImageClassificationClassification

Leveraged AI tools for automating image and video annotation, improving task efficiency and accuracy. • Maintained high data quality standards through regular validation and error-checking processes. • Documented workflows and optimized annotation methodologies in collaboration with ML engineers and data scientists. • Applied critical analysis to refine labeling strategies, contributing to AI model training pipelines.

2024 - 2025

Data labeling specialist

ImageImageClassificationClassification

Used Google EWOQ and AI annotation tools to tag and classify large-scale image datasets for ML training. • Supported automation of repetitive labeling tasks, increasing annotation throughput.

2023 - 2025

Education

D

Digital Regenesys

Diploma, Cloud Computing and DevOps engineering

Diploma
2025 - 2025
I

Imo State University Owerri

B.Sc., Chemistry

B.Sc.
2011 - 2015

Work History

C

CodarTech Africa

Cloud Computing Instructor

Lagos
2026 - Present
T

Topdel Engineering Services

Data entry Specialist

Lagos
2025 - Present