O. C.

Key Skills

Software

CVAT

Label Studio

Doccano

Prodigy

Top Subject Matter

Annotation

Content Evaluation

Proofreading

Top Data Types

Text

Image

Audio

Top Task Types

Classification

Bounding Box

Segmentation

Transcription

RLHF

Evaluation/Rating

Freelancer Overview

Lead Instructor & Course Developer — Annotation & Quality Review (AI data/quality evaluation). Brings 16+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Python and MS Office. Education includes Bachelor of Engineering, Nnamdi Azikiwe University (2022) and Secondary School Certificate, Government Science Secondary School (2013). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Lead Instructor & Course Developer — Annotation & Quality Review (AI data/quality evaluation)

Text

Worked on AI data annotation and quality review by producing and reviewing large volumes of structured written content, including lesson plans, explanations, and assessments. Evaluated student-written code and prose outputs using quality rating and corrective feedback at scale, with 50+ students involved. Automated repetitive administrative and content tasks using Python scripts to improve processing efficiency. • Produced structured written content with consistent editorial accuracy and quality • Performed quality rating, accuracy checks, and corrective feedback on text/code outputs • Applied proofreading, editing, and detailed technical writing for lesson and assessment materials • Implemented Python-based workflow automation for repetitive tasks

2024 - Present

Head of Operations — high-volume structured data entry & accuracy checks

TextClassification

Handled high-volume structured data entry, digital record-keeping, and document processing with an emphasis on maintaining data accuracy and reliability. Used Microsoft Office and LibreOffice daily to manage documents, spreadsheets, and reporting outputs. Focused on consistency and attention to detail for operational records over a multi-year period. • Performed structured data entry and organization for operational records • Maintained accuracy and consistency checks across documents and spreadsheets • Managed document processing and reporting using office productivity tools • Produced organized outputs and maintained reliable digital record-keeping

2016 - 2022

Education

Work History