Ekemini O.

Key Skills

Software

Clickworker

Argilla

Appen

Mercor

Micro1

Mindrift

OneForma

Top Subject Matter

Technology – AI Training & Data Annotation

Media & Communications – Content Review & Moderation

Software & Engineering – Technical QA & Evaluation

Top Data Types

Video

Text

Audio

Top Task Types

Classification

Text Generation

Data Collection

Computer Programming/Coding

Cuboid

Evaluation/Rating

Red Teaming

Transcription

Polygon

Bounding Box

Segmentation

Text Summarization

Object Detection

Polyline

Point/Key Point

Question Answering

Entity (NER) Classification

RLHF

Freelancer Overview

EKEMINI OYO AI Data Specialist • Annotation Expert • Content Evaluator • QA Reviewer [email protected] | +234 816 928 7466 | Nigeria (Remote) | English C1+ | Igbo Native PROFESSIONAL SUMMARY Detail-oriented AI Data Specialist and QA Expert with 4+ years of hands-on experience in data annotation, content evaluation, AI response review, and quality assurance for machine learning systems. Skilled at labeling text, image, and audio data; evaluating AI-generated outputs for accuracy and relevance; creating and testing prompts for large language models; and enforcing quality standards across large-scale annotation pipelines. Holds a Bachelor of Engineering in Software Engineering with strong technical and analytical foundations. Native Igbo speaker with advanced English proficiency (C1+). Available immediately for remote projects on flexible terms. CORE SKILLS & COMPETENCIES PROFESSIONAL EXPERIENCE AI Data Annotator & QA Reviewer | Freelance Remote Projects 2022 – Present Annotated and labeled thousands of text, image, and audio data samples for AI and machine learning training pipelines, ensuring accuracy, completeness, and full guideline compliance. Evaluated AI-generated responses, chatbot outputs, and search results for quality, relevance, factual accuracy, and safety — providing structured feedback to improve model performance. Created and tested prompts to assess and improve large language model (LLM) behavior, identifying edge cases, hallucinations

Labeling Experience

Data annotation

AudioText Generation

data labeling

2018 - 2023

Education

Work History