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Chukwualasu Okpala

Chukwualasu Okpala

Data Annotation Specialist

Nigeria flagRemote, Nigeria
$30.00/hrEntry LevelOtherOneformaMercor

Key Skills

Software

Other
OneFormaOneForma
MercorMercor

Top Subject Matter

AI/ML - Computer Vision Model Training
AI/ML - Image/video annotation for autonomous systems
Finance & FinTech - Transaction pattern classification

Top Data Types

VideoVideo
ImageImage
Computer Code ProgrammingComputer Code Programming

Top Task Types

Data CollectionData Collection
RLHFRLHF
Computer Programming/CodingComputer Programming/Coding
Object DetectionObject Detection

Freelancer Overview

Data Annotation Specialist. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Nigeria, Nsukka and Certificate, Andela/Google. AI-training focus includes data types such as Video and labeling workflows including Data Collection.

Entry LevelEnglish

Labeling Experience

Remote Data Labeler

VideoRLHF
Remote video labeling project focused on preparing high-quality training data for Reinforcement Learning from Human Feedback (RLHF) systems. The work involved reviewing video clips, evaluating content against detailed guidelines, tagging actions, behaviors, context, relevance, and quality signals, and helping rank or classify outputs to improve AI model performance. The project required strong attention to detail, consistency, fast decision-making, and accurate handling of large volumes of multimedia data in a fully remote environment.

Remote video labeling project focused on preparing high-quality training data for Reinforcement Learning from Human Feedback (RLHF) systems. The work involved reviewing video clips, evaluating content against detailed guidelines, tagging actions, behaviors, context, relevance, and quality signals, and helping rank or classify outputs to improve AI model performance. The project required strong attention to detail, consistency, fast decision-making, and accurate handling of large volumes of multimedia data in a fully remote environment.

2026 - Present

Data Annotation Specialist

OtherVideoData Collection
I captured and submitted high-quality video datasets supporting AI and computer vision model training. I ensured adherence to strict annotation and submission review standards for optimal dataset quality. I contributed production-ready training data for machine learning evaluation, focusing on accuracy and reliability. • Managed large video data pipelines and submission consistency. • Conducted quality assurance checks under detailed guidelines. • Collaborated with remote teams to refine datasets for specific use cases. • Used digital task management platforms to streamline dataset approval and revision workflows.

I captured and submitted high-quality video datasets supporting AI and computer vision model training. I ensured adherence to strict annotation and submission review standards for optimal dataset quality. I contributed production-ready training data for machine learning evaluation, focusing on accuracy and reliability. • Managed large video data pipelines and submission consistency. • Conducted quality assurance checks under detailed guidelines. • Collaborated with remote teams to refine datasets for specific use cases. • Used digital task management platforms to streamline dataset approval and revision workflows.

2026 - Present

Education

A

Andela/Google

Certificate, Web Development

Certificate
Not specified
U

University of Nigeria, Nsukka

Bachelor of Science, Computer Science

Bachelor of Science
Not specified

Work History

A

Atlas Capture

Data Annotation Specialist

Melbourne
2026 - Present
R

rb2

Frontend Engineer

Remote
2021 - Present