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T
Tochukwu Mark

Tochukwu Mark

Freelance Data Support Specialist

Nigeria flagwarri, Nigeria
$10.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

General Digital Content
Natural Language Processing
Legal Services & Contract Review

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

Freelance Data Support Specialist. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Google Sheets and Other. Education includes Higher National Diploma, Federal Polytechnic Nekede Owerri (2022). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

ExpertEnglish

Labeling Experience

AI Project Data Annotator and Rater

OtherText
In various AI project annotation assignments, I labeled training data for sentiment analysis, intent recognition, and topic categorization. I reviewed edge cases and provided feedback to ensure consistent annotation quality. The work included comparative evaluation of AI-generated outputs based on detailed instructions. • Labeled and categorized textual data for NLP use cases. • Provided quality ratings and corrective feedback on model outputs. • Applied policy-based decisions to nuanced text samples. • Supported dataset improvement through annotation error identification.

In various AI project annotation assignments, I labeled training data for sentiment analysis, intent recognition, and topic categorization. I reviewed edge cases and provided feedback to ensure consistent annotation quality. The work included comparative evaluation of AI-generated outputs based on detailed instructions. • Labeled and categorized textual data for NLP use cases. • Provided quality ratings and corrective feedback on model outputs. • Applied policy-based decisions to nuanced text samples. • Supported dataset improvement through annotation error identification.

2023 - Present

Freelance Data Support Specialist

TextClassification
As a Freelance Data Support Specialist, I reviewed, categorized, and structured large volumes of digital text data with a focus on accuracy. I applied detailed instructions to classify and organize various datasets, corrected inconsistencies, and enhanced data quality. My role required consistently meeting productivity and accuracy standards in a fully remote setting. • Classified, reviewed, and validated text datasets for machine learning. • Applied annotation guidelines and improved overall data integrity. • Built tracking/reporting systems using Google Sheets and Excel. • Delivered completed, production-ready datasets for model training.

As a Freelance Data Support Specialist, I reviewed, categorized, and structured large volumes of digital text data with a focus on accuracy. I applied detailed instructions to classify and organize various datasets, corrected inconsistencies, and enhanced data quality. My role required consistently meeting productivity and accuracy standards in a fully remote setting. • Classified, reviewed, and validated text datasets for machine learning. • Applied annotation guidelines and improved overall data integrity. • Built tracking/reporting systems using Google Sheets and Excel. • Delivered completed, production-ready datasets for model training.

2023 - Present

Education

F

Federal Polytechnic Nekede Owerri

Higher National Diploma, Science Technology - Microbiology

Higher National Diploma
2022 - 2022
F

federal polytechnic nekede owerri

national diploma, science technology

national diploma
2017 - 2019

Work History

F

Freelance

Virtual Assistant / Customer Support Associate

N/A
2023 - Present
P

Private Tutor

Science Tutor / Academic Support Assistant

N/A
2021 - 2023