Atotoh O.

Key Skills

Software

Other

Top Subject Matter

AI training data annotation and response evaluation

Top Data Types

Text

Image

Top Task Types

Classification

Freelancer Overview

AI data trainer / Annotator (Freelance/Self Employed). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Second Class Upper Division, Federal University of Technology, Minna (2026). AI-training focus includes data types such as Text and labeling workflows including Classification.

Labeling Experience

Test classification and sentiment analysis for Ai training

TextClassification

Performed text annotation and classification tasks to train AI models. Tasks completed: 1. Text categorization - sorted customer reviews, emails, and social media posts into topics 2. Sentiment labeling - tagged text as Positive, Negative, or Neutral 3. Spam/Toxic content detection for online platforms 4. Followed annotation guidelines strictly to maintain high accuracy Trained myself using free guides on data labeling and quality control. Experienced with Google Sheets, Excel, and following detailed instructions for accuracy.

2024 - Present

AI data trainer / Annotator (Freelance/Self Employed)

OtherTextClassification

Performed AI data training and annotation by labeling and categorizing text, image, and audio examples according to strict project guidelines. Reviewed AI-generated responses to ensure accuracy, safety, and relevance, then tagged data to support downstream machine learning model training. Maintained high quality and consistency in all annotations while meeting daily quotas and attention-to-detail expectations. • Labeled and categorized multi-modal data (text, image, audio) per guideline documents • Tagged/annotated records to train ML models and improve performance • Performed quality review of AI responses for accuracy, safety, and relevance • Sustained 98%+ accuracy while meeting daily task quotas

2024 - Present

Education

Work History