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Princejohn Maduafor

Princejohn Maduafor

AI Product Engineer & Talent Lead

Nigeria flagLagos, Nigeria
$20.00/hrIntermediateAppenClickworkerData Annotation Tech

Key Skills

Software

AppenAppen
ClickworkerClickworker
Data Annotation TechData Annotation Tech

Top Subject Matter

Visual Branding and Digital Design
Academic Content Quality Assurance
Legal Services & Contract Review

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

Text GenerationText Generation
Object DetectionObject Detection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Data CollectionData Collection
TranscriptionTranscription
Question AnsweringQuestion Answering

Freelancer Overview

AI Product Engineer & Talent Lead. Brings 11+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, Coal City University (2022). AI-training focus includes data types such as Image and Text and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

AI Product Engineer & Talent Lead

Image
This role involved comprehensive evaluation and rating of AI-generated visual assets for brand consistency and originality. I ensured studio-style, high-fidelity manipulation and digital retouching using state-of-the-art generative AI tools. The process required critical assessment of both AI and human-generated outputs to maintain 'Original Face' integrity. • Led custom AI-native workflows to automate asset creation and optimization • Evaluated AI-generated images for quality, realism, and compliance • Rejected and documented subpar AI outputs with explanation • Collaborated with teams to iteratively improve label standards

This role involved comprehensive evaluation and rating of AI-generated visual assets for brand consistency and originality. I ensured studio-style, high-fidelity manipulation and digital retouching using state-of-the-art generative AI tools. The process required critical assessment of both AI and human-generated outputs to maintain 'Original Face' integrity. • Led custom AI-native workflows to automate asset creation and optimization • Evaluated AI-generated images for quality, realism, and compliance • Rejected and documented subpar AI outputs with explanation • Collaborated with teams to iteratively improve label standards

2023 - Present

Quality Assurance (QA) & Operations Architect

Text
I directed end-to-end quality assurance processes for a large dataset of academic text materials. All data underwent rigorous factual verification and systematic validation to ensure complete accuracy for educational use. The process required methodical annotation, error flagging, and detailed assessment for content correctness and compliance. • Oversaw annotation and verification workflows for textual academic resources • Conducted factuality rating, error identification, and quality reporting • Documented all discrepancies and trained team on best annotation practices • Collaborated with technical teams to integrate automated checks

I directed end-to-end quality assurance processes for a large dataset of academic text materials. All data underwent rigorous factual verification and systematic validation to ensure complete accuracy for educational use. The process required methodical annotation, error flagging, and detailed assessment for content correctness and compliance. • Oversaw annotation and verification workflows for textual academic resources • Conducted factuality rating, error identification, and quality reporting • Documented all discrepancies and trained team on best annotation practices • Collaborated with technical teams to integrate automated checks

2016 - 2018

Education

C

Coal City University

Bachelor of Science, Business Administration

Bachelor of Science
2022 - 2022

Work History

T

Truepicturez Entertainment

AI Product Engineer & Talent Lead

Lagos
2023 - Present
E

EG Smart Services

Customer Experience & Technical Support Specialist

Lagos
2022 - 2023