Pharm.olayinka Zacchaeus

Key Skills

Software

No software listed

Top Subject Matter

AI model output evaluation and prompt quality control

AI-mediated business operations and workflow improvement

Top Data Types

Text

Top Task Types

Question Answering

Data Collection

Text Generation

Entity (NER) Classification

Freelancer Overview

AI Data Annotation Specialist. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include OneForma, Mercor, and Dal Inc.. Education includes Master of Business Administration, Ajayi Crowther University (2023) and Bachelor of Pharmacy, Olabisi Onabanjo University (2021). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Data Annotation Expert

Text

As a Data Annotation Expert, I translated business needs and prompt requests into actionable system enhancements for AI-driven workflows. I supported operational movement to ensure order fulfillment efficiency and improve customer experience. My duties focused on accurate annotation and evaluation of textual information for AI process improvement. • Maintained high evaluation accuracy under strict project requirements. • Compared and judged response quality across multiple AI output options. • Identified areas for workflow and system improvement. • Demonstrated precision, clear communication, and reliable annotation standards.

As a Data Annotation Expert, I translated business needs and prompt requests into actionable system enhancements for AI-driven workflows. I supported operational movement to ensure order fulfillment efficiency and improve customer experience. My duties focused on accurate annotation and evaluation of textual information for AI process improvement. • Maintained high evaluation accuracy under strict project requirements. • Compared and judged response quality across multiple AI output options. • Identified areas for workflow and system improvement. • Demonstrated precision, clear communication, and reliable annotation standards.

2025 - Present

AI Data Annotation Specialist

OneformaText

As an AI Data Annotation Specialist, I evaluated AI-generated responses for accuracy, clarity, and relevance. I performed systematic data annotation and labeling according to well-defined guidelines. My work contributed high-quality human feedback to improve model accuracy and reliability. • Assessed prompts and outputs for factual accuracy, instruction-following, and completeness. • Identified hallucinations, bias, and formatting inconsistencies in text. • Ranked responses based on correctness, usefulness, and readability. • Applied structured evaluation standards and provided input for model optimization.

As an AI Data Annotation Specialist, I evaluated AI-generated responses for accuracy, clarity, and relevance. I performed systematic data annotation and labeling according to well-defined guidelines. My work contributed high-quality human feedback to improve model accuracy and reliability. • Assessed prompts and outputs for factual accuracy, instruction-following, and completeness. • Identified hallucinations, bias, and formatting inconsistencies in text. • Ranked responses based on correctness, usefulness, and readability. • Applied structured evaluation standards and provided input for model optimization.

2024 - 2025

Education

Work History