Chukwuemeka Paschal Ugochukwu

Key Skills

Software

Labelbox

CVAT

Top Subject Matter

General/Ai Model Training

Natural Language Processing

General/Machine Learning

Top Data Types

Image

Text

Audio

Document

Top Task Types

Object Detection

Classification

Transcription

Freelancer Overview

Data Annotator / Data Labeling Specialist. Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Labelbox and CVAT. Education includes Bachelor of Nursing Science, Imo State University (2025). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Object Detection, Classification, and Transcription.

Labeling Experience

AI Data Annotation Specialist (Audio)

CVATAudioTranscription

Performed audio annotation and transcription tasks for AI training datasets. Accurately labeled and transcribed audio data for various machine learning use cases. Upheld high data quality through rigorous review processes. • Applied specific project guidelines to annotation work. • Used annotation tools to ensure consistency and quality. • Participated in team communication to clarify requirements. • Contributed to reliable and effective audio dataset development.

Performed audio annotation and transcription tasks for AI training datasets. Accurately labeled and transcribed audio data for various machine learning use cases. Upheld high data quality through rigorous review processes. • Applied specific project guidelines to annotation work. • Used annotation tools to ensure consistency and quality. • Participated in team communication to clarify requirements. • Contributed to reliable and effective audio dataset development.

2023 - Present

AI Data Annotation Specialist (Text)

LabelboxTextClassification

Labeled text data for sentiment analysis and natural language processing (NLP) model training. Ensured accurate annotation of textual content according to project guidelines and NLP objectives. Conducted quality reviews and validation of labeled text datasets. • Used platforms such as Labelbox and CVAT for text annotation. • Focused on high accuracy and meeting project requirements. • Collaborated to improve annotation processes and resolve doubts. • Delivered work on schedule, maintaining reliability and consistency.

Labeled text data for sentiment analysis and natural language processing (NLP) model training. Ensured accurate annotation of textual content according to project guidelines and NLP objectives. Conducted quality reviews and validation of labeled text datasets. • Used platforms such as Labelbox and CVAT for text annotation. • Focused on high accuracy and meeting project requirements. • Collaborated to improve annotation processes and resolve doubts. • Delivered work on schedule, maintaining reliability and consistency.

2023 - Present

Data Annotator / Data Labeling Specialist

LabelboxImageObject Detection

Worked as a Data Annotator for independent and contract-based AI data annotation projects. Labeled and annotated images for object detection and classification tasks, ensuring high accuracy and consistency across datasets. Used tools such as Labelbox, CVAT, and Supervisely to produce high-quality labeled image datasets. • Followed detailed annotation guidelines and performed quality assurance. • Collaborated with team members to resolve annotation ambiguities. • Maintained high standards under tight deadlines. • Achieved high accuracy based on quality review feedback.

Worked as a Data Annotator for independent and contract-based AI data annotation projects. Labeled and annotated images for object detection and classification tasks, ensuring high accuracy and consistency across datasets. Used tools such as Labelbox, CVAT, and Supervisely to produce high-quality labeled image datasets. • Followed detailed annotation guidelines and performed quality assurance. • Collaborated with team members to resolve annotation ambiguities. • Maintained high standards under tight deadlines. • Achieved high accuracy based on quality review feedback.

2023 - Present

Education

Work History