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Elvis Ozioko

AI Training Specialist and Annotator

Nigeria flagEnugu, Nigeria
$9.85/hrIntermediateOneformaScale AIToloka

Key Skills

Software

OneFormaOneForma
Scale AIScale AI
TolokaToloka
iMeritiMerit

Top Subject Matter

Automotive and Autonomous Systems
Manufacturing and Robotics
Health care and Medical AI

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

Bounding BoxBounding Box
ClassificationClassification
Object DetectionObject Detection
Question AnsweringQuestion Answering
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
RLHFRLHF

Freelancer Overview

I've been working as an AI data contributor and labeller through OneForma and Outlier, where my daily tasks involve evaluating model outputs for accuracy, annotating datasets across text, images and other formats, and maintaining consistency across tasks by following project guidelines. What I've found is that this work rewards exactly the kind of person that I am, someone who is precise to the core, patient, and genuinely cares whether the output is right or just close enough. What sets me apart is my engineering background. Studying Metallurgical and Materials Engineering at the University of Nigeria has trained me to think in systems, that is to spot patterns, question inconsistencies, and document my findings clearly. That same mindset is what I carried directly into my data labeling work. I don't just label and move on, I think about why a particular annotation decision is correct and I make sure to look out for specific cases that could change a model's learning. I'm remote experienced, timely, and also very comfortable working independently, which in my experience is like half the battle in this kind of work.

IntermediateEnglishIgbo

Labeling Experience

Computer Vision Data Labeling for Image Classification

ImageBounding Box
Annotated and labelled large image datasets to support the training of computer vision models. Tasks include identifying objects within images and applying precise labels while following strict project guidelines to ensure there is consistency.

Annotated and labelled large image datasets to support the training of computer vision models. Tasks include identifying objects within images and applying precise labels while following strict project guidelines to ensure there is consistency.

2025 - Present

AI Model Evaluator

TextEvaluation Rating
Evaluated and refined AI model outputs for accuracy, clarity, and consistency across large scale datasets. Annotated and labeled training data to support machine learning model development. Maintained strict adherence to project guidelines to ensure high quality, consistent outputs. Delivered work within tight deadlines as part of remote, distributed teams.

Evaluated and refined AI model outputs for accuracy, clarity, and consistency across large scale datasets. Annotated and labeled training data to support machine learning model development. Maintained strict adherence to project guidelines to ensure high quality, consistent outputs. Delivered work within tight deadlines as part of remote, distributed teams.

2025 - 2025

Education

U

University Of Nigeria Nsukka

Bachelor of Engineering, Metallurgical and Materials Engineering

Bachelor of Engineering
2019 - 2024

Work History

N

Neway Power Technology

Engineering Intern

Aba, Abia State
2024 - 2024