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U
Ugochi Dim

Ugochi Dim

Data Labeling Specialist

Nigeria flagAwka, Nigeria
$20.00/hrEntry LevelCVATLabelboxMercor

Key Skills

Software

CVATCVAT
LabelboxLabelbox
MercorMercor
ClickworkerClickworker

Top Subject Matter

AI and Machine Learning
Speech-to-Text AI

Top Data Types

TextText
AudioAudio
VideoVideo

Top Task Types

ClassificationClassification
TranscriptionTranscription
Question AnsweringQuestion Answering
Text GenerationText Generation
Text SummarizationText Summarization

Freelancer Overview

Data Labeling Specialist. Brings 6+ months of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include NLP, high quality annotation and QA. Education includes Bachelor of Science, Nnamdi Azikiwe University (2023) and High School Diploma, Calvary Arrows College (2023). AI-training focus includes data types such as Text and Audio and labeling workflows including Classification and Transcription.

Entry LevelEnglishIgboGerman

Labeling Experience

Data Labeling Specialist

TextClassification
As a Data Labeling Specialist, I annotated and labeled datasets to support AI and machine learning development. I ensured accuracy and consistency in tagging both structured and unstructured data. I performed quality checks and corrected errors while adhering to project guidelines. • Tagged diverse textual data types as per annotation instructions • Maintained high standards of data quality through rigorous checking • Collaborated with teams to meet tight project deadlines • Used accepted best practices to ensure label precision

As a Data Labeling Specialist, I annotated and labeled datasets to support AI and machine learning development. I ensured accuracy and consistency in tagging both structured and unstructured data. I performed quality checks and corrected errors while adhering to project guidelines. • Tagged diverse textual data types as per annotation instructions • Maintained high standards of data quality through rigorous checking • Collaborated with teams to meet tight project deadlines • Used accepted best practices to ensure label precision

2025 - Present

Audio Transcription Specialist

AudioTranscription
As an Audio Transcription Specialist, I converted audio recordings into well-structured text formats for AI dataset creation. I upheld high accuracy, especially with complex accents and varying audio qualities. I delivered transcribed files on schedule while ensuring grammatical correctness. • Transcribed various audio samples for training speech recognition models • Maintained excellent linguistic accuracy in transcripts • Followed project requirements and delivered consistent results • Addressed challenges from low-quality or noisy audio data

As an Audio Transcription Specialist, I converted audio recordings into well-structured text formats for AI dataset creation. I upheld high accuracy, especially with complex accents and varying audio qualities. I delivered transcribed files on schedule while ensuring grammatical correctness. • Transcribed various audio samples for training speech recognition models • Maintained excellent linguistic accuracy in transcripts • Followed project requirements and delivered consistent results • Addressed challenges from low-quality or noisy audio data

2024 - Present

Education

T

TerraSkills

Skill, Web Development

Skill
2025 - 2025
C

Calvary Arrows College

High School Diploma, General Education

High School Diploma
2017 - 2023

Work History

F

Freelance

Web Developer

Awka
2025 - Present
F

Freelance

Audio Transcriptionist

Awka
2024 - Present