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U
Uchechukwu N.

Uchechukwu N.

AI Training Data Specialist | Data Annotation & Quality Control

Nigeria flagLagos, Nigeria

Key Skills

Software

AppenAppen
ClickworkerClickworker
Data Annotation TechData Annotation Tech
MercorMercor
MindriftMindrift
OneFormaOneForma
RemotasksRemotasks

Top Subject Matter

Legal Services & Contract Revie
Regulatory Compliance & Risk Analysis
Legal Research & Document Analysis

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Text GenerationText Generation
Object DetectionObject Detection
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Fine-tuningFine-tuning
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

I’ve worked with data in a very hands-on way, even if the role wasn’t always labeled “data labeling.” In my experience as a virtual assistant and lead generator, I spent a lot of time reviewing, organizing, and cleaning up large sets of information, things like spotting duplicates, fixing errors, and making sure everything followed a clear structure. It’s the kind of work where details really matter, and I’ve gotten comfortable staying focused and consistent so the data actually makes sense and can be used properly. What makes me stand out is how I balance accuracy with efficiency. I don’t just rush through tasks, I pay attention to patterns, notice when something feels off, and make sure the final output is clean and reliable. I’m quick to pick up new tools or guidelines, and I take feedback seriously, which helps me improve fast. On top of that, my background in customer support has made me dependable and easy to work with, especially in team settings where clear communication and meeting deadlines really count.

Labeling Experience

Audio data annotator

AudioAudioTranscriptionTranscription

I I worked as a transcriptionist, a data labeler, and a linguistic teacher, where I taught Igbo language and did Object detection, question answering, and text summarization to improve data.

2025 - 2025

Video generation

VideoVideoData CollectionData Collection

I generated videos for data labeling by uploading videos of different background, sounds, human voice, nature, man-made objects to improve their Ai identification and differentiation.

2025 - 2025

Data annotator

ImageImageData CollectionData Collection

I generated picture used to train Ai to understand human body types and physical features and gestures

2024 - 2024

Education

U

University of Nigeria, Nsukka

Bachelor of Education, Adult Education and Administration

Bachelor of Education
2023 - 2023

Work History

V

Vivid Visions

Customer Service Representative

Lagos
2025 - 2026
K

K$C Konect

Lead Generator and Cold Caller

Lagos
2024 - 2025