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W
Wizzi J.

Wizzi J.

QA Analyst / AI Data Quality Specialist

Nigeria flagRivers state, Nigeria

Key Skills

Software

Data Annotation TechData Annotation Tech
iMeritiMerit
LabelboxLabelbox
MercorMercor
Micro1
OneFormaOneForma
MindriftMindrift

Top Subject Matter

Machine Learning
Nlp Domain Expertise
Computer Vision

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

ClassificationClassification
Bounding BoxBounding Box
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
RLHFRLHF
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

QA Analyst / AI Data Quality Specialist. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, Drexel University (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

QA Analyst / AI Data Quality Specialist

TextText

As a QA Analyst and AI Data Quality Specialist, I performed quality assurance on AI-generated text and images. My responsibilities included identifying errors, validating annotations, and compiling structured feedback. I worked to enforce data consistency and model output alignment across various tasks. • Conducted validation and annotation for both text and image datasets • Evaluated prompt alignment and accuracy for AI-generated content • Delivered detailed feedback for model improvement initiatives • Ensured high-quality datasets by identifying inconsistencies and errors

2024 - Present

Education

D

Drexel University

Bachelor of Science, Machine Learning

Bachelor of Science
2021 - 2025

Work History

R

Remote) —

QA Analyst / AI Data Quality Specialist (Freelance

Location not specified
2024 - Present
C

consistently maintaining high accuracy and adapting quickly to new workflows and tooling.

Managed multiple concurrent projects with varying requirements

Location not specified
2024 - Present