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M

Michael Ugwu

AI Trainer / Data Annotation Specialist

NIGERIA flag
Abuja, Nigeria
$20.00/hrIntermediateClickworkerAxiom AIAppen

Key Skills

Software

ClickworkerClickworker
Axiom AI
AppenAppen
Anno-MageAnno-Mage

Top Subject Matter

Natural Language Processing
Conversational AI
Legal Services & Contract Review

Top Data Types

TextText
DocumentDocument
AudioAudio

Top Task Types

Transcription
Data Collection
Point Key Point
Question Answering
Segmentation
Polygon

Freelancer Overview

I have experience working on AI training and data annotation projects where I evaluated and improved datasets used to train conversational and natural language processing models. My work involves reviewing AI-generated responses for accuracy, relevance, logical reasoning, and compliance with safety guidelines. I annotate and classify text data, compare multiple AI outputs, and rank responses based on quality and usefulness. I also identify hallucinations, factual errors, and inconsistencies in model responses while providing structured feedback that helps improve dataset quality. What sets me apart is my strong analytical thinking, attention to detail, and ability to follow complex annotation guidelines while maintaining high accuracy standards. With a background in customer communication and intent analysis, I am skilled at understanding user queries, identifying patterns in language, and improving conversational datasets. I consistently maintain high-quality annotation standards and contribute insights that help improve AI model performance and reliability.

IntermediateEnglish

Labeling Experience

AI Trainer / Data Annotation Specialist

Text
As an AI Trainer and Data Annotation Specialist, I evaluated AI-generated text responses for quality, reasoning, and compliance with guidelines. I annotated training datasets to improve natural language processing models and ranked AI outputs for usefulness. I also wrote improved prompts and provided structured feedback to enhance dataset quality and model performance. •Evaluated AI text outputs for accuracy and relevance. •Annotated and labeled textual datasets used for NLP training. •Ranked and compared multiple AI-generated responses. •Followed complex annotation and evaluation guidelines.

As an AI Trainer and Data Annotation Specialist, I evaluated AI-generated text responses for quality, reasoning, and compliance with guidelines. I annotated training datasets to improve natural language processing models and ranked AI outputs for usefulness. I also wrote improved prompts and provided structured feedback to enhance dataset quality and model performance. •Evaluated AI text outputs for accuracy and relevance. •Annotated and labeled textual datasets used for NLP training. •Ranked and compared multiple AI-generated responses. •Followed complex annotation and evaluation guidelines.

2025 - Present

Education

U

Udacity

Nanodegree Program, Data Analysis

Nanodegree Program
2022 - 2022
U

University of Abuja

Bachelor of Science, Computer Science

Bachelor of Science
2022 - 2022

Work History

G

Global Support Services

Customer Service Representative

Abuja
2024 - 2024
N

NYSC National Directorate Headquarters

Administrative Assistant / Data Entry

Abuja
2022 - 2024