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O

Ozioma O.

AI Data Annotation Trainer

Nigeria flagN/A, Nigeria

Key Skills

Software

AppenAppen
LabelboxLabelbox
MindriftMindrift
TolokaToloka

Top Subject Matter

General AI/ML
Creative Writing
Audio transcription

Top Data Types

AudioAudio
TextText
VideoVideo

Top Task Types

RLHFRLHF
ClassificationClassification
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Bounding BoxBounding Box
Text GenerationText Generation
Question AnsweringQuestion Answering

Freelancer Overview

AI Data Annotation expert and Trainer. Bringing 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include RHLF, audio, and creative writing AI training.

Labeling Experience

Appen

AI Data Annotation Trainer

AppenAppenAudioAudioRLHFRLHF

As an AI Data Annotation Trainer, I was responsible for annotating and labeling multiple forms of data including audio, video, text, and images. My tasks included evaluating AI-generated responses, ranking AI outputs based on parameters, and participating in comprehension and translation projects. Throughout this role, I ensured high-quality and relevant annotations essential for machine learning. • Performed high-volume annotation and labeling across modalities such as audio, video, text, and images. • Evaluated AI responses for accuracy, relevance, and helpfulness in RLHF projects. • Participated in English language comprehension and translation assignments. • Utilized advanced annotation techniques and optimized workflows to enhance quality.

2025 - Present

Data Annotator

OtherTextTextClassificationClassification

As a Data Annotator, I conducted precise annotation and labeling work for text and other data types according to specified guidelines. My main role involved ensuring accuracy and consistency through rigorous quality checks, documentation, and process analysis. I aimed to optimize and standardize annotation practices for training machine learning models. • Conducted detailed annotation and labeling of text data following strict guidelines. • Performed quality assurance checks to guarantee data integrity. • Analyzed labeled datasets to drive continuous improvement in annotation quality. • Created documentation for annotation workflows and best practices for training use.

2025 - 2025

Education

E

Enugu State University of Science and Technology

Bachelor of Medical Laboratory Science, Medical Laboratory Science

Bachelor of Medical Laboratory Science
2022 - 2022

Work History

S

Sabi Writers

Staff Writer and Editor

N/A
2024 - 2025