Oguntade E.

Key Skills

Software

Other

Don't disclose

Top Subject Matter

Artificial Intelligence & Machine Learning

Data Analytics & Information Systems

Climate Change & Sustainability

Top Data Types

Text

Document

Image

Top Task Types

Text Generation

Transcription

Data Collection

RLHF

Emotion Recognition

Classification

Freelancer Overview

AI Research Consultant (Sentiment Analysis Project). Brings 2 years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Bachelor of Technology, Ladoke Akintola University of Technology (LAUTECH) (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Research Consultant (Sentiment Analysis Project)

Don't discloseTextEmotion Recognition

Provided AI research consulting support for text sentiment annotation of Nigerian e-service feedback from Google Play Store reviews. Applied aspect-based sentiment labeling and used inter-annotator agreement (Cohen's kappa) to ensure annotation reliability. Evaluated predictions from transformer models (AfriBERTa and mBERT) and reviewed labeling errors and model failure modes. • Labeled 5,000+ reviews into positive/negative/neutral (and aspect-based sentiment categories) • Measured labeling consistency using Cohen's kappa and QA procedures • Addressed class imbalance with SMOTE to improve minority sentiment learning • Documented collection-to-annotation-to-evaluation pipeline with audit trails

2024 - Present

Research Assistant (Undergraduate Thesis)

OtherTextClassification

Conducted questionnaire-based data preparation for an undergraduate thesis involving categorical response labeling. Coded responses and transformed labeled variables into datasets for statistical analysis and reproducibility. Performed literature review checks by identifying factual errors and inconsistencies in AI-related academic sources. • Designed and administered questionnaires for data collection • Labeled/coded categorical variables from responses for analysis • Maintained structured datasets across analysis iterations • Audited AI-related literature for factual and logical issues

2022 - 2023

Education

Work History