Precious O.

Key Skills

Software

Micro1

Toloka

Data Annotation Tech

Top Subject Matter

Visual and academic/content quality evaluation

AI training contribution

Science education content quality evaluation

Top Data Types

Image

Document

Text

Top Task Types

Object Detection

RLHF

Evaluation/Rating

Data Collection

Classification

Freelancer Overview

Visual Evaluation & AI Training Contributor. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. Education includes Bachelor of Science, Federal University Otuoke (2023). AI-training focus includes data types such as Image and Document and labeling workflows including Evaluation and Rating.

Labeling Experience

Visual Evaluation & AI Training Contributor

Image

Served as a Visual Evaluation & AI Training Contributor by assessing written and visual content against structured quality rubrics and standards. Flagged inconsistencies, suboptimal outputs, and quality gaps while providing clear written justifications to support improved results. Applied systematic criteria-based frameworks to judge accuracy, clarity, composition, and usefulness across diverse datasets. • Performed visual content evaluation and annotation-style feedback. • Produced objective, actionable written feedback for continuous improvement. • Conducted fact-checking via structured research from credible sources. • Managed and prioritized high-volume tasks reliably in a remote environment.

2025 - Present

Basic Science Instructor (NYSC)

Document

Worked as a Basic Science Instructor by evaluating learning materials and student outputs for accuracy, clarity, and alignment with curriculum standards. Provided structured, constructive feedback to guide improvement and maintain quality in science-themed instructional content. Developed clear lesson content that simplified complex concepts into well-organized formats. • Reviewed educational materials and student work for correctness and clarity. • Provided detailed feedback aligned to national curriculum standards. • Assessed and organized science-themed activities and projects. • Contributed to shared quality benchmarks with a multi-disciplinary educator team.

2024 - 2025

Education

Work History