Precious N.

Key Skills

Software

Other

Top Subject Matter

AI/ML training datasets and evaluation

Internet evaluation and AI content rating

Dataset collection and preparation for AI annotation

Top Data Types

Image

Text

Video

Top Task Types

Object Detection

Data Collection

Bounding Box

Segmentation

Question Answering

Text Summarization

Text Generation

Fine-tuning

Classification

Polygon

Point/Key Point

Polyline

Cuboid

RLHF

Entity (NER) Classification

Transcription

Evaluation/Rating

Freelancer Overview

Freelance AI Data Annotator (Remote). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Arts, University in Nigeria (2021). AI-training focus includes data types such as Image and Text and labeling workflows including Object Detection, Evaluation, and Rating.

Labeling Experience

Freelance AI Data Annotator (Remote)

OtherImageObject Detection

Annotated multimodal datasets including images, videos, audio, and text for machine learning training tasks. Performed pairwise comparisons to evaluate model outputs and select the most accurate responses. Tagged and labeled objects in images and videos according to project guidelines. • Ensure annotations meet predefined project criteria for accuracy and completeness • Document observations, inconsistencies, and feedback with clarity and precision • Review annotations for consistency and maintain high data-quality standards • Complete tasks within required timelines following complex guidelines

2022 - Present

AI Data Rater / Internet Evaluator (Remote)

OtherText

Evaluated AI-generated content for relevance, accuracy, consistency, and overall quality. Applied rubric-based scoring methodologies to rate AI outputs using predefined criteria. Provided structured human feedback to support improvements in natural language processing systems. • Identify subtle errors, inconsistencies, and quality issues in datasets and model responses • Produce concise written observations to support model improvement initiatives • Ensure scoring aligns with rubric and evaluation standards • Assist in structured assessment workflows for AI output improvement

2021 - 2022

Data Collection Assistant (Lagos, Nigeria)

OtherTextData Collection

Collected and organized structured datasets for analysis and digital research projects. Verified data accuracy and prepared datasets to support annotation workflows. Assisted with data preprocessing and documentation of collected information. • Organize collected data to enable efficient labeling and evaluation processes • Ensure accuracy verification prior to annotation • Support preprocessing steps required for dataset readiness • Maintain documentation quality for downstream AI training tasks

2020 - 2021

Education

Work History