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O

Ogbonna Nkechukwu

AI Data Quality Control / Prompt Engineer – Project Lizard (NVIDIA)

USA flag
Storrs, Usa
$40.00/hrIntermediateSuperannotate

Key Skills

Software

SuperAnnotateSuperAnnotate

Top Subject Matter

Visual Data Quality Control
AI Model Training
Image Masking

Top Data Types

ImageImage
Computer Code ProgrammingComputer Code Programming
TextText
DocumentDocument

Top Task Types

Prompt Response Writing SFT
Segmentation

Freelancer Overview

AI Data Quality Control / Prompt Engineer – Project Lizard (NVIDIA). Brings 1+ years of professional experience across contract review, compliance, and structured analysis. Education includes Master of Engineering, University of Connecticut (2027) and Bachelor of Engineering, University of Calabar (2025). AI-training focus includes data types such as Image and labeling workflows including Prompt + Response Writing (SFT) and Segmentation.

IntermediateEnglish

Labeling Experience

Segmentation Annotation Quality Specialist – Project Hedgehog (Handshake)

ImageSegmentation
As a quality maintenance specialist on Project Hedgehog via Handshake, I was responsible for maintaining high annotation standards on masking prompts. The role required regular evaluation and improvement of segmentation accuracy on visual datasets. I consistently achieved excellent ratings for quality and generalist performance across tasks. • Evaluated and maintained segmentation mask quality for image data. • Implemented corrections and feedback from annotation reviews. • Ensured project annotation standards were met for all labeling tasks. • Received top scores for annotation quality and consistency.

As a quality maintenance specialist on Project Hedgehog via Handshake, I was responsible for maintaining high annotation standards on masking prompts. The role required regular evaluation and improvement of segmentation accuracy on visual datasets. I consistently achieved excellent ratings for quality and generalist performance across tasks. • Evaluated and maintained segmentation mask quality for image data. • Implemented corrections and feedback from annotation reviews. • Ensured project annotation standards were met for all labeling tasks. • Received top scores for annotation quality and consistency.

Not specified

AI Data Quality Control / Prompt Engineer – Project Lizard (NVIDIA)

ImagePrompt Response Writing SFT
In a quality control role for Project Lizard at NVIDIA, I was responsible for ensuring high data quality in AI visual prompt engineering. My work involved crafting creative prompts utilizing visual data to enhance model training and evaluation. I contributed to improving the reliability and performance of labeled datasets for computer vision applications. • Developed and implemented innovative prompts based on image data. • Performed detailed reviews to uphold stringent data quality standards. • Supported training of advanced AI models through precise SFT prompt writing. • Collaborated with team members to iterate on annotation methodologies.

In a quality control role for Project Lizard at NVIDIA, I was responsible for ensuring high data quality in AI visual prompt engineering. My work involved crafting creative prompts utilizing visual data to enhance model training and evaluation. I contributed to improving the reliability and performance of labeled datasets for computer vision applications. • Developed and implemented innovative prompts based on image data. • Performed detailed reviews to uphold stringent data quality standards. • Supported training of advanced AI models through precise SFT prompt writing. • Collaborated with team members to iterate on annotation methodologies.

Not specified

Education

U

University of Connecticut

Master of Engineering, Mechanical Engineering

Master of Engineering
2024 - 2027
U

University of Calabar

Bachelor of Engineering, Mechanical Engineering

Bachelor of Engineering
2021 - 2025

Work History

U

UConn

Student Worker

Storrs
2025 - Present
K

Kroger

Center Store Clerk

Norcross
2024 - 2025