Chibueze Onyendi

Key Skills

Software

Toloka

Top Subject Matter

Natural Language Processing

Image, Video, Text and Audio AI Annotation

Top Data Types

Text

Document

Top Task Types

Classification

Freelancer Overview

AI Data Evaluator – RWS Group. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include RWS, DataForce, and Toloka. Education includes Bachelor of Arts, University of Nigeria, Nsukka (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Data Evaluator – RWS Group

Text

As an AI Data Evaluator at RWS Group, I evaluated English-language AI model outputs for grammar, fluency, tone, and factual accuracy. I reviewed chatbot responses to ensure adherence to linguistic and contextual guidelines, collaborating with project leads to enhance annotation consistency and data quality. My efforts contributed to model fine-tuning by identifying language biases and ambiguities. • Evaluated English-language AI outputs for various linguistic parameters. • Reviewed and scored chatbot responses for guideline compliance. • Collaborated to improve annotation consistency and quality. • Contributed feedback for model fine-tuning and bias identification.

As an AI Data Evaluator at RWS Group, I evaluated English-language AI model outputs for grammar, fluency, tone, and factual accuracy. I reviewed chatbot responses to ensure adherence to linguistic and contextual guidelines, collaborating with project leads to enhance annotation consistency and data quality. My efforts contributed to model fine-tuning by identifying language biases and ambiguities. • Evaluated English-language AI outputs for various linguistic parameters. • Reviewed and scored chatbot responses for guideline compliance. • Collaborated to improve annotation consistency and quality. • Contributed feedback for model fine-tuning and bias identification.

2024 - Present

Content Quality Reviewer – TolokaAI

TolokaText

As a Content Quality Reviewer at TolokaAI, I reviewed AI and human-generated content to ensure high standards of linguistic quality and compliance. My role involved detailed checks on punctuation, structure, relevance, and user intent matching. I consistently maintained top accuracy scores and high throughput on various evaluation projects. • Reviewed AI and human-generated content. • Ensured quality through linguistic checks and validation. • Worked on relevance ranking and user intent matching. • Achieved over 98% accuracy on assigned projects.

As a Content Quality Reviewer at TolokaAI, I reviewed AI and human-generated content to ensure high standards of linguistic quality and compliance. My role involved detailed checks on punctuation, structure, relevance, and user intent matching. I consistently maintained top accuracy scores and high throughput on various evaluation projects. • Reviewed AI and human-generated content. • Ensured quality through linguistic checks and validation. • Worked on relevance ranking and user intent matching. • Achieved over 98% accuracy on assigned projects.

2023 - 2024

Linguistic Annotator– DataForce by TransPerfect

TextClassification

At DataForce by TransPerfect, I annotated English text datasets for various natural language processing projects. I conducted error analysis and improved machine translation datasets while classifying large sets for sentiment, intent, and topic recognition. Additionally, I trained and guided new contributors in annotation accuracy and best practices. • Annotated English text datasets for NLP projects. • Improved datasets through error analysis. • Classified text for sentiment, intent, and topic. • Trained new contributors for annotation accuracy.

At DataForce by TransPerfect, I annotated English text datasets for various natural language processing projects. I conducted error analysis and improved machine translation datasets while classifying large sets for sentiment, intent, and topic recognition. Additionally, I trained and guided new contributors in annotation accuracy and best practices. • Annotated English text datasets for NLP projects. • Improved datasets through error analysis. • Classified text for sentiment, intent, and topic. • Trained new contributors for annotation accuracy.

2023 - 2024

Education

Work History