Nita U.

Key Skills

Software

Other

Appen

Top Subject Matter

AI-generated response evaluation and training data quality

AI training dataset annotation and quality assurance

Legal Services & Contract Review

Top Data Types

Text

Image

Document

Top Task Types

Classification

Freelancer Overview

AI Reviewer and Trainer (Freelance / Remote Projects). Core strengths include Other. Education includes Certificate, Datalens Africa (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Reviewer and Trainer (Freelance / Remote Projects)

OtherText

Served as an AI reviewer and trainer for freelance remote projects, assessing AI-generated responses against predefined rubrics and quality standards. Conducted fact-checking and verification to ensure response accuracy and reliability, and performed relevance and clarity ranking. Provided actionable feedback to support annotation guideline improvements and continuous quality enhancements in AI training workflows. • Reviewed AI outputs using rubric-based evaluation criteria • Ranked responses by relevance, clarity, helpfulness, and correctness • Performed fact-checking and verification for factual accuracy • Supported workflow improvements via feedback on review guidelines

2026 - Present

AI Data Annotator (Independent Contractor)

OtherTextClassification

Worked as an AI data annotator as an independent contractor, labeling text, image, and conversational datasets to improve AI model performance. Identified inconsistencies, bias, and inaccuracies in AI-generated outputs and flagged issues for correction. Evaluated chatbot and language model responses for fluency, coherence, tone, and contextual relevance while applying detailed labeling guidelines and taxonomies. • Annotated text, image, and conversational datasets using labeling taxonomies • Assessed chatbot/LLM responses for fluency, coherence, tone, and context • Compared multiple AI answers and selected the most accurate and user-friendly response • Flagged inconsistencies, bias, and inaccuracies according to guidelines

2024 - 2025

Education

Work History