Kingsley Onuoha

Key Skills

Software

Appen

Top Subject Matter

Ai/ml Domain Expertise

E-commerce Product Data & Taxonomy

Social Media

Top Data Types

Image

Text

Document

Top Task Types

Classification

Bounding Box

Freelancer Overview

Digital Annotation Specialist. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen and Crowdgen. Education includes Professional Certificate, Google / Coursera (2024). AI-training focus includes data types such as Image and labeling workflows including Classification and Bounding Box.

Labeling Experience

Data Annotator

ImageBounding Box

As a Data Annotator at Crowdgen, I undertook annotation projects that included bounding box creation, polygon annotation, semantic segmentation, and evaluating search engine quality. My primary responsibility was to provide high-quality annotations adhering to detailed guidelines and contribute to content moderation tasks. I participated in certification tests and completed comprehensive training for specialized annotation projects. • Produced bounding box, polygon, and segmentation labels for various datasets. • Evaluated search engine results to improve algorithmic performance. • Moderated content by identifying policy-violating material. • Maintained detailed work records to ensure annotation consistency.

As a Data Annotator at Crowdgen, I undertook annotation projects that included bounding box creation, polygon annotation, semantic segmentation, and evaluating search engine quality. My primary responsibility was to provide high-quality annotations adhering to detailed guidelines and contribute to content moderation tasks. I participated in certification tests and completed comprehensive training for specialized annotation projects. • Produced bounding box, polygon, and segmentation labels for various datasets. • Evaluated search engine results to improve algorithmic performance. • Moderated content by identifying policy-violating material. • Maintained detailed work records to ensure annotation consistency.

2024 - 2025

Digital Annotation Specialist

AppenImageClassification

As a Digital Annotation Specialist at Appen via Crowdgen, I performed a variety of data annotation tasks for AI/ML training datasets. My work focused on image labeling, text classification, sentiment analysis, and content evaluation, always meeting strict quality standards. I adapted to a range of project requirements across different platforms and domains. • Maintained a 95%+ accuracy rating on multiple concurrent projects. • Completed sentiment analysis and intent classification for NLP models. • Collaborated with project managers to clarify annotation guidelines. • Provided annotations for projects in e-commerce, social media, and autonomous systems.

As a Digital Annotation Specialist at Appen via Crowdgen, I performed a variety of data annotation tasks for AI/ML training datasets. My work focused on image labeling, text classification, sentiment analysis, and content evaluation, always meeting strict quality standards. I adapted to a range of project requirements across different platforms and domains. • Maintained a 95%+ accuracy rating on multiple concurrent projects. • Completed sentiment analysis and intent classification for NLP models. • Collaborated with project managers to clarify annotation guidelines. • Provided annotations for projects in e-commerce, social media, and autonomous systems.

2024 - 2025

Education

Work History