Chimamanda M.

Key Skills

Software

Other

Toloka

Data Annotation Tech

Top Subject Matter

Computer Vision / Image understanding

Language model training & evaluation

Voice/audio task quality review

Top Data Types

Image

Text

Audio

Document

Top Task Types

Bounding Box

Transcription

Freelancer Overview

AI Training & Data Annotation Contractor (Multiple AI Platforms). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Port Harcourt (2025). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Bounding Box, Evaluation, and Rating.

Labeling Experience

AI Training & Data Annotation Contractor (Multiple AI Platforms)

OtherDocument

Validated science-related AI training content using biology domain knowledge to ensure subject-matter accuracy. • Reviewed science content for factual correctness and scientific rigor. • Checked that explanations aligned with biology concepts and terminology. • Corrected or flagged inaccuracies to improve training data quality. • Ensured clarity for end-user consumption while maintaining technical correctness.

2024 - Present

AI Training & Data Annotation Contractor (Multiple AI Platforms)

OtherAudioTranscription

Supported audio-related AI training tasks by evaluating audio outputs and contributing to quality review workflows. • Participated in multi-modal assessment that included audio tasks alongside text and image. • Checked quality against task requirements and provided feedback to improve reliability. • Ensured outputs met expected standards for clarity and consistency. • Used attention to detail to reduce errors during review.

2024 - Present

AI Training & Data Annotation Contractor (Multiple AI Platforms)

OtherText

Reviewed and evaluated AI-generated outputs for quality, providing structured feedback to improve model performance. • Assessed text outputs for semantic accuracy, natural phrasing, and tonal consistency. • Compared model responses against guidelines and identified quality issues. • Delivered actionable, structured feedback to support iterative improvements. • Applied native English proficiency to validate language model behavior.

2024 - Present

AI Training & Data Annotation Contractor (Multiple AI Platforms)

OtherImageBounding Box

Provided image annotation and bounding-box labeling for large datasets on multiple AI training platforms. • Labeled visual regions according to platform guidelines to ensure consistency and accuracy. • Performed quality assurance checks to catch and correct annotation errors. • Maintained high precision while completing high-volume labeling tasks. • Escalated or corrected quality issues by following feedback and rule sets.

2024 - Present

Education

Work History