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Chidozie Ogwalu

Chidozie Ogwalu

Data Labelling / Data Annotation Specialist (Entry-Level)

United Kingdom flagLiverpool, United Kingdom
$17.00/hrIntermediateOtherGoogle Cloud Vertex AIHivemind

Key Skills

Software

Other
Google Cloud Vertex AIGoogle Cloud Vertex AI
HiveMindHiveMind
Micro1
TelusTelus

Top Subject Matter

General Data Labeling/Annotation
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification
SegmentationSegmentation
Entity (NER) ClassificationEntity (NER) Classification
Point/Key PointPoint/Key Point
CuboidCuboid
Object DetectionObject Detection
Text GenerationText Generation
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

Data Labelling / Data Annotation Specialist (Entry-Level). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Master of Science, Wrexham University (2026) and Bachelor of Science, University of Nigeria Nsukka (2018). AI-training focus includes data types such as Text and labeling workflows including Classification.

IntermediateEnglish

Labeling Experience

Data Labelling / Data Annotation Specialist (Entry-Level)

OtherTextClassification
As a Data Labelling / Data Annotation Specialist (Entry-Level), I was responsible for labeling and annotating text, tabular, and basic image data. I ensured high accuracy and consistency while following strict data labeling guidelines. My work involved preprocessing data and validating the labeled outputs for machine learning use. • Labeled structured and unstructured text datasets for ML applications • Applied basic NLP tasks such as tokenization and classification • Used Python (pandas, NumPy) and Excel/Google Sheets for data annotation • Maintained large-scale data labeling quality with attention to detail

As a Data Labelling / Data Annotation Specialist (Entry-Level), I was responsible for labeling and annotating text, tabular, and basic image data. I ensured high accuracy and consistency while following strict data labeling guidelines. My work involved preprocessing data and validating the labeled outputs for machine learning use. • Labeled structured and unstructured text datasets for ML applications • Applied basic NLP tasks such as tokenization and classification • Used Python (pandas, NumPy) and Excel/Google Sheets for data annotation • Maintained large-scale data labeling quality with attention to detail

2025 - Present

Education

W

Wrexham University

Master of Science, Data Science and Big Data Analytics

Master of Science
2025 - 2026
U

University of Nigeria Nsukka

Bachelor of Science, Biochemistry

Bachelor of Science
2014 - 2018

Work History

B

Broadeaves Security

Door Supervisor

Liverpool
2025 - Present
S

Spire

Software Engineer

Liverpool
2023 - 2024