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Ohakwuo Sabastine

Ohakwuo Sabastine

AI Training Specialist - Technology & Internet

NIGERIA flag
lagos , Nigeria
$10.00/hrExpertOther

Key Skills

Software

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Top Subject Matter

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Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Label Types

Transcription

Freelancer Overview

I am a detail-oriented AI Training and Data Annotation Specialist with three years of hands-on experience supporting the development and improvement of artificial intelligence systems. My expertise includes labeling, reviewing, and validating large datasets, evaluating AI-generated responses for accuracy and safety, and ensuring the highest standards of data quality and ethical handling. I am skilled in prompt analysis, response ranking, and quality assurance, with a strong ability to follow technical instructions and adapt quickly to new AI tools and workflows. I have worked on multiple AI training projects simultaneously, collaborating with distributed teams, and am comfortable with repetitive, detail-focused tasks. My proficiency with AI training platforms, annotation tools, and web-based QA systems, combined with excellent time management and communication skills, enables me to deliver reliable results in fast-paced, remote environments.

ExpertEnglishFrench

Labeling Experience

AI Model Training & Data Labeling Project

Don T DiscloseComputer Code ProgrammingTranscription
Project Scope The project focused on improving the accuracy, relevance, and safety of AI models through high-quality data labeling and evaluation. The scope included preparing structured and unstructured data for machine learning training, validating AI-generated outputs, and ensuring consistency across large datasets. Work was performed under strict annotation guidelines to support supervised learning and reinforcement learning workflows. Specific Data Labeling & Annotation Tasks Performed Text data labeling and classification Prompt–response evaluation and ranking Intent recognition and category tagging Sentiment and tone labeling Content relevance and factual accuracy review Identification and correction of AI output errors Safety and policy compliance tagging Quality review of peer-labeled data Tools & Workflow Web-based annotation and AI training platforms Quality assurance dashboards Task queues and feedback systems Version-controlled guidelines and documentation

Project Scope The project focused on improving the accuracy, relevance, and safety of AI models through high-quality data labeling and evaluation. The scope included preparing structured and unstructured data for machine learning training, validating AI-generated outputs, and ensuring consistency across large datasets. Work was performed under strict annotation guidelines to support supervised learning and reinforcement learning workflows. Specific Data Labeling & Annotation Tasks Performed Text data labeling and classification Prompt–response evaluation and ranking Intent recognition and category tagging Sentiment and tone labeling Content relevance and factual accuracy review Identification and correction of AI output errors Safety and policy compliance tagging Quality review of peer-labeled data Tools & Workflow Web-based annotation and AI training platforms Quality assurance dashboards Task queues and feedback systems Version-controlled guidelines and documentation

2021 - 2023

Education

M

Middlesex University

N/A, N/A

N/A
2023 - 2023

Work History

A

Aptach

Ai trainer

Lagos
2021 - 2023