Hargbolahan T.

Key Skills

Software

Surge AI

Telus

Scale AI

Clickworker

CrowdSource

Data Annotation Tech

Top Subject Matter

Machine Learning

AI Evaluation

Legal Services & Contract Review

Top Data Types

Document

Text

Computer Code Programming

Top Task Types

Computer Programming/Coding

Data Collection

Evaluation/Rating

Question Answering

Text Summarization

Prompt + Response Writing (SFT)

RLHF

Object Detection

Freelancer Overview

Data Labeling, AI Evaluation, & Machine Learning Practice. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Graduate Certificate, Fanshawe College (2024) and Bachelor of Science, University of Ilorin (2015). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Data Annotation & Quality Review

TextComputer Programming/Coding

Worked on AI training and data labeling projects involving text annotation, classification, and quality review. Reviewed and labeled large datasets to improve machine learning model performance and accuracy. Performed tasks such as sentiment analysis, intent classification, and response evaluation based on project guidelines. Ensured high-quality output by following strict annotation standards and conducting QA reviews on labeled data. Collaborated with project guidelines to maintain consistency and improve data quality across tasks.

2023 - 2025

Data Labeling, AI Evaluation, & Machine Learning Practice

Text

Oversaw data labeling and auditing practices as part of AI and machine learning project work. Labeled specialized datasets and validated the accuracy and consistency of multi-step AI-generated outputs. Reviewed outputs for multi-step reasoning and ensured quality for machine learning evaluation. • Cleaned and transformed text datasets using Python (Pandas, NumPy) • Labeled datasets and validated reasoning for model evaluation • Audited data for consistency and accuracy in AI systems • Applied analytical methods to improve output quality and reliability

2015 - 2021

Education

Work History