Chinonso C.

Key Skills

Software

Toloka

Top Subject Matter

General AI Model Training

Top Data Types

Text

Image

Top Task Types

Classification

Freelancer Overview

Data Annotator (Freelance) – Toloka. Core strengths include Toloka and Atlas Capture. Education includes Bachelor of Laws, Imo State University (2023). AI-training focus includes data types such as Text and Image and labeling workflows including Classification.

Labeling Experience

Data Annotator (Freelance) – Atlas Capture

ImageClassification

Executed image annotation and categorization tasks to support AI model development. Conducted data validation and content review, ensuring consistency and accuracy of labeled image submissions. Demonstrated adaptability in following updated annotation guidelines and task formats. • Labeled image content based on detailed project instructions. • Identified and corrected errors in annotated datasets. • Maintained steady productivity in microtask-based environments. • Ensured compliance with evolving annotation standards.

2025 - Present

Data Annotator (Freelance) – Toloka

TolokaTextClassification

Worked as a freelance data annotator focusing on both text and image data projects for AI model training. Responsible for labeling, categorizing datasets, and reviewing flagged entries for accuracy and quality. Consistently maintained high accuracy and productivity throughout all projects. • Annotated diverse text datasets adhering to detailed project guidelines. • Performed quality assurance and corrected inconsistencies in labeled data. • Met or exceeded daily and weekly productivity targets. • Collaborated remotely through annotation platforms.

2025 - Present

Education

Work History