Marvellous Ebuka

Key Skills

Software

Telus

OneForma

Appen

Scale AI

iMerit

Top Subject Matter

AI Image Evaluation

Content Quality Assessment

AI Text Data Evaluation and Question Answering

Top Data Types

Image

Text

Video

Top Task Types

Question Answering

Data Collection

Evaluation/Rating

Transcription

Freelancer Overview

AI Data Annotator & Content Evaluator. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier AI, Telus, and OneForma. Education includes Bachelor's Degree, University (Anambra State, Nigeria) (2023). AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation, Rating, and Question Answering.

Labeling Experience

Data annotator

ImageEvaluation Rating

Reviewed and evaluated AI-generated image outputs for quality, accuracy, and adherence to prompts. Tasks included comparing image pairs on criteria such as instruction-following, visual fidelity, and AI-generated appearance, providing written justifications to support model training and improvement. Worked independently on a flexible, task-based schedule as part of an ongoing data labeling project.

Reviewed and evaluated AI-generated image outputs for quality, accuracy, and adherence to prompts. Tasks included comparing image pairs on criteria such as instruction-following, visual fidelity, and AI-generated appearance, providing written justifications to support model training and improvement. Worked independently on a flexible, task-based schedule as part of an ongoing data labeling project.

2004 - Present

Freelance Data Contributor

TelusTextQuestion Answering

As a Freelance Data Contributor at Telus International, I conducted reading comprehension and multiple-choice question tasks for AI training datasets. My tasks involved comparing AI image pairs and evaluating text content according to standardized rubrics. I worked with sensitive content categories, ensuring precision and impartiality throughout. • Performed reading comprehension tasks for AI model training • Conducted textual evaluations based on instruction-following and accuracy • Analyzed and compared AI-generated answers and content • Evaluated content in sensitive categories for bias and correctness

As a Freelance Data Contributor at Telus International, I conducted reading comprehension and multiple-choice question tasks for AI training datasets. My tasks involved comparing AI image pairs and evaluating text content according to standardized rubrics. I worked with sensitive content categories, ensuring precision and impartiality throughout. • Performed reading comprehension tasks for AI model training • Conducted textual evaluations based on instruction-following and accuracy • Analyzed and compared AI-generated answers and content • Evaluated content in sensitive categories for bias and correctness

2024 - Present

AI Data Annotator & Content Evaluator

Image

As an AI Data Annotator & Content Evaluator at Outlier AI, I evaluated AI-generated images and content for quality, accuracy, and compliance. This role required the use of structured rubrics to rate, rank, and assess AI image pairs for realism and prompt adherence. I also performed harm evaluation tasks to identify policy violations within both text and image data. • Rated and ranked AI-generated images using rubric-based assessments • Evaluated quality and instruction compliance in AI content • Performed content harm analyses to flag violations • Consistently adhered to platform guidelines and quality standards

As an AI Data Annotator & Content Evaluator at Outlier AI, I evaluated AI-generated images and content for quality, accuracy, and compliance. This role required the use of structured rubrics to rate, rank, and assess AI image pairs for realism and prompt adherence. I also performed harm evaluation tasks to identify policy violations within both text and image data. • Rated and ranked AI-generated images using rubric-based assessments • Evaluated quality and instruction compliance in AI content • Performed content harm analyses to flag violations • Consistently adhered to platform guidelines and quality standards

2024 - Present

Freelance Task Contributor

OneformaImageData Collection

As a Freelance Task Contributor at OneForma (Appen), I participated in a range of microtasks such as data labeling, transcription support, and content review. I standardized image and text data for AI model development and training. My role focused on producing consistently high-quality, annotated data. • Handled image and text data labeling tasks for AI datasets • Supported AI training via content transcription and review • Maintained high quality scores for all labeling assignments • Contributed to overall platform data integrity and improvement

As a Freelance Task Contributor at OneForma (Appen), I participated in a range of microtasks such as data labeling, transcription support, and content review. I standardized image and text data for AI model development and training. My role focused on producing consistently high-quality, annotated data. • Handled image and text data labeling tasks for AI datasets • Supported AI training via content transcription and review • Maintained high quality scores for all labeling assignments • Contributed to overall platform data integrity and improvement

2023 - Present

Education

Work History