Oluwasegun F.

Key Skills

Software

Other

Top Subject Matter

AI generalist evaluation and annotated dataset quality assurance

Content evaluation and intent/language understanding labeling

Legal Services & Contract Review

Top Data Types

Text

Document

Top Task Types

Classification

Freelancer Overview

Defined.ai — AI Data Specialist (Generalist Focus) (AI output evaluation, bias detection, and dataset QA). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Engineering, Federal University of Technology, Minna (2015) and Diploma Certification, Federal University of Technology, Minna (2017). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

AI Data Specialist (Generalist Focus) - Defined.ai

TextClassification

Worked as an AI Data Specialist focused on evaluating AI-generated outputs for quality, accuracy, and compliance with complex instructions. Applied structured guidelines to review language understanding, intent classification, and response relevance across diverse use cases. Collaborated with distributed teams to support quality calibration and provide actionable feedback for continuous improvement. • Evaluated AI outputs for accuracy, relevance, tone, and instruction compliance • Reviewed and corrected annotated datasets to ensure consistency and fairness • Identified bias, ambiguity, and ethical risks in AI responses • Provided structured feedback to improve AI system behavior

2024 - 2026

Defined.ai — AI Data Specialist (Generalist Focus) (AI output evaluation, bias detection, and dataset QA)

OtherText

Performed AI output evaluation and quality assurance for accuracy, relevance, tone, and instruction compliance using detailed rubrics. Reviewed and corrected annotated datasets to improve consistency, fairness, and guideline adherence across samples. Identified bias, ambiguity, and ethical risks, then delivered structured feedback to support continuous improvement of AI system behavior. • Evaluated language understanding, intent classification, and response quality • Flagged bias and ethical risks in AI responses • Conducted quality calibration with distributed teams • Provided structured, actionable feedback for model behavior improvement

2024 - 2026

AI Rater / Content Evaluator - TELUS International AI

TextClassification

Served as an AI Rater and Content Evaluator, assessing the relevance and usefulness of search results, text outputs, and AI responses. Performed user-intent classification and language understanding tasks using predefined quality standards. Maintained strong accuracy while meeting productivity expectations in a high-volume evaluation environment. • Rated search results, text outputs, and AI responses by relevance and usefulness • Conducted user-intent classification and language understanding • Assessed content against predefined quality and policy criteria • Sustained high accuracy while meeting productivity targets

2023 - 2024

TELUS International AI — AI Rater / Content Evaluator (relevance rating and intent/language evaluation)

OtherText

Rated search results, text outputs, and AI responses for relevance and usefulness against predefined quality standards. Performed user-intent classification and assessed language understanding as part of content evaluation workflows. Maintained high accuracy while meeting productivity targets in a high-volume remote environment. • Assessed AI-generated content against quality criteria • Performed intent classification and language understanding tasks • Evaluated outputs for relevance and usefulness • Met accuracy and productivity requirements

2023 - 2024

Education

Work History