Kelvin Okharedia

Key Skills

Software

Appen

Other

Top Subject Matter

Search engine evaluation

AI-generated content

AI/ML model training

Top Data Types

Text

Image

Top Task Types

Evaluation/Rating

Data Collection

Freelancer Overview

Search Quality Rater/AI Data Evaluation Specialist. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen and Other. Education includes Master of Arts, Howard University – School of Communications (2024) and Bachelor’s Degree, Howard University – School of Communications (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Data Specialist

OtherText

As an AI Data Specialist at Outlier, I conducted annotation, evaluation, and quality review tasks to support AI and machine learning model training. My role encompassed labeling, tagging, and dataset validation for diverse content types including text, image, audio, and video. I adhered to strict project guidelines to assure accuracy and consistency. • Labeled and validated multi-modal datasets for AI/ML training. • Performed quality reviews to maintain high data standards. • Ensured consistency through guideline application in remote settings. • Supported machine learning improvements via curated datasets.

As an AI Data Specialist at Outlier, I conducted annotation, evaluation, and quality review tasks to support AI and machine learning model training. My role encompassed labeling, tagging, and dataset validation for diverse content types including text, image, audio, and video. I adhered to strict project guidelines to assure accuracy and consistency. • Labeled and validated multi-modal datasets for AI/ML training. • Performed quality reviews to maintain high data standards. • Ensured consistency through guideline application in remote settings. • Supported machine learning improvements via curated datasets.

2024 - 2025

Search Quality Rater/AI Data Evaluation Specialist

AppenText

As a Search Quality Rater and AI Data Evaluation Specialist at Crowdgen (Appen), I performed data evaluation and annotation on AI-generated and search-based responses. My responsibilities included assessing relevance, accuracy, usefulness, and compliance with real-world user queries and project guidelines. I contributed to data quality improvement through structured tasks and pairwise comparisons. • Assessed and labeled AI outputs for quality, relevance, and helpfulness. • Conducted pairwise comparisons and relevance grading. • Identified errors and inconsistencies to enhance data reliability. • Performed evaluation and annotation of large-scale text datasets.

As a Search Quality Rater and AI Data Evaluation Specialist at Crowdgen (Appen), I performed data evaluation and annotation on AI-generated and search-based responses. My responsibilities included assessing relevance, accuracy, usefulness, and compliance with real-world user queries and project guidelines. I contributed to data quality improvement through structured tasks and pairwise comparisons. • Assessed and labeled AI outputs for quality, relevance, and helpfulness. • Conducted pairwise comparisons and relevance grading. • Identified errors and inconsistencies to enhance data reliability. • Performed evaluation and annotation of large-scale text datasets.

2023 - 2025

Education

Work History