Mathew O.

Key Skills

Software

Other

Top Subject Matter

AI content moderation

sentiment analysis

Intent Domain Expertise

Top Data Types

Text

Document

Top Task Types

Classification

Freelancer Overview

AI Content Analyst & Data Labeling Specialist. Core strengths include Other. Education includes Bachelor of Science, University of Ilorin (2026). AI-training focus includes data types such as Text and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

LLM Response Evaluator & Engagement Quality Analyst

OtherText

As an LLM Response Evaluator and Engagement Quality Analyst, I ranked and assessed written content based on engagement quality, factual correctness, and alignment with audience expectations. My work included identifying hallucinations, inaccuracies, and moderating AI-generated text according to platform-specific guidelines. I produced consistently accurate output and demonstrated adaptability to evolving policy changes in annotation workflows. • Conducted preference ranking and hallucination auditing for LLM output. • Applied community and safety guidelines for text moderation. • Delivered high-volume evaluation within strict accuracy protocols. • Adapted quickly to shifting label instructions and policy updates.

2025 - 2026

AI Content Analyst & Data Labeling Specialist

OtherTextClassification

As an AI Content Analyst and Data Labeling Specialist, I classified and annotated thousands of text messages daily by tone, intent, sentiment, and urgency. I provided evaluation and preference feedback for written responses following RLHF methodologies and flagged harmful or misleading content according to safety standards. My work involved precise adherence to operational guidelines and large-scale task management using professional annotation platforms. • Consistently managed high-volume annotation workloads with zero deviation from guidelines. • Utilized the Infloww platform for logging tasks and ensuring data reliability and accuracy. • Applied advanced content moderation and harm detection skills relevant to LLM evaluation. • Maintained annotation consistency across multiple accounts during extended work sessions.

2025 - 2026

Multilingual Content Reviewer & Text Annotation Specialist

OtherTextClassification

As a Multilingual Content Reviewer and Text Annotation Specialist, I reviewed and categorized English, Yoruba, and French-language content to support multilingual AI training initiatives. I conducted annotation on social media text for relevance, tone, audience suitability, and factual accuracy and performed informal named entity recognition. I evaluated AI-generated captions for grammatical accuracy and naturalness. • Supported large-scale, multilingual NLP annotation tasks. • Conducted ongoing content categorization and entity identification. • Maintained high output accuracy while managing concurrent annotation projects. • Applied annotation best practices to unstructured social media data.

2025 - 2025

Education

Work History