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Cleo Nnamani

Cleo Nnamani

AI Data Trainer

Nigeria flagAbuja, Nigeria
$20.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

Large Language Models (AI/ML/NLP)
Computer Vision / Sign Language Recognition

Top Data Types

TextText
ImageImage

Top Task Types

Data CollectionData Collection

Freelancer Overview

AI Data Trainer. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, N, and A. Education includes Bachelor of Science, University Of Nigeria Nsukka (2025) and High School Diploma, Witty Kids School (2020). AI-training focus includes data types such as Text and Image and labeling workflows including Evaluation, Rating, and Data Collection.

Entry LevelEnglish

Labeling Experience

AI Data Trainer

OtherText
I evaluated and improved large language model outputs by reviewing AI-generated responses across various domains. My tasks included providing detailed feedback, corrections, and suggestions to enhance performance and reasoning quality. I ensured that all outputs adhered to project guidelines for accuracy, clarity, and relevance. • Trained LLMs through critical assessment and structured feedback. • Completed complex prompt-based writing and editing tasks. • Collaborated with project guidelines to refine AI behavior and user-facing responses. • Maintained high consistency and accuracy while meeting productivity targets.

I evaluated and improved large language model outputs by reviewing AI-generated responses across various domains. My tasks included providing detailed feedback, corrections, and suggestions to enhance performance and reasoning quality. I ensured that all outputs adhered to project guidelines for accuracy, clarity, and relevance. • Trained LLMs through critical assessment and structured feedback. • Completed complex prompt-based writing and editing tasks. • Collaborated with project guidelines to refine AI behavior and user-facing responses. • Maintained high consistency and accuracy while meeting productivity targets.

2026 - 2026

Project Lead: AI Sign Language Detection

ImageData Collection
I managed the full data pipeline for a computer vision model that recognizes sign language from images. I led the processes of data collection and image labeling to support effective model training. My focus was to ensure the data quality promoted reliable real-time translation results. • Organized and labeled image datasets for model development. • Ensured labeled data supported accurate inference during testing. • Oversaw the quality assurance process for data labeling outputs. • Facilitated end-to-end annotation for sign language recognition.

I managed the full data pipeline for a computer vision model that recognizes sign language from images. I led the processes of data collection and image labeling to support effective model training. My focus was to ensure the data quality promoted reliable real-time translation results. • Organized and labeled image datasets for model development. • Ensured labeled data supported accurate inference during testing. • Oversaw the quality assurance process for data labeling outputs. • Facilitated end-to-end annotation for sign language recognition.

Not specified

Education

U

University Of Nigeria Nsukka

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2025
W

Witty Kids School

High School Diploma, General Education

High School Diploma
2020 - 2020

Work History

O

Online Novel Apps

Creative Writer and Acquisition Editor

Abuja
2021 - Present
N

NITDA

Data Analyst Intern

Abuja
2024 - 2024