Nkwocha N.

Key Skills

Software

Labelbox

iMerit

Appen

Top Subject Matter

Generative AI response evaluation and dataset annotation quality assurance

Dataset annotation for AI training

Top Data Types

Text

Image

Video

Top Task Types

Classification

Question Answering

Text Summarization

Freelancer Overview

AI response evaluation and annotation/quality assurance specialist (remote). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox. Education includes Bachelor of Technology, Federal University of Technology, Owerri. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Dataset labeling and quality review (text)

LabelboxTextClassification

Labeled and categorized datasets with high accuracy by following strict annotation guidelines. Reviewed and corrected annotation outputs to improve overall dataset quality and reliability. Worked with text datasets in structured and unstructured formats while maintaining precision across high-volume, repetitive annotation workflows. • Dataset labeling and categorization per guideline schemas • Post-label review and correction for quality improvements • Annotation consistency for large volumes and long-duration workflows • Handling structured vs. unstructured text data formats

2020 - 2024

AI response evaluation and annotation/quality assurance specialist (remote)

LabelboxText

Performed AI response evaluation by checking factual accuracy, logical consistency, and completeness against structured guidelines. Compared multiple model outputs to identify inconsistencies, hallucinations, and misinterpretations, then ranked or refined response quality. Designed and refined prompts to test reasoning, edge cases, and desired response behavior. • Factuality and coherence checks for AI-generated text • Consistency tracking for long-context evaluation tasks • Error detection including ambiguity reduction and guideline adherence • Comparative analysis across multiple model responses

2020 - 2024

Education

Work History