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O

Olawale Joseph Akinola

Data annotator/QA expert

Nigeria flagRemote, Nigeria
$15.00/hrIntermediateMercor

Key Skills

Software

MercorMercor

Top Subject Matter

AI model improvement
content safety
product categorization

Top Data Types

TextText
ImageImage

Top Task Types

Evaluation Rating
Transcription
Computer Programming Coding
Data Collection
Prompt Response Writing SFT
Text Summarization
Question Answering
Text Generation

Freelancer Overview

Data annotator/QA expert. Brings 3 years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor. Education includes Bachelor of Science, Lagos State University (2021) and Bachelor of Science, University of Abuja, Nigeria (2025). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishYoruba

Labeling Experience

Mercor

Data annotator/QA expert

MercorText
As a data annotator and QA expert at Mercor AI, I evaluated search results and reviewed product categorization to improve AI model performance. I compared AI responses to prompts, ensuring outputs were safe, helpful, and factually accurate. I also reviewed the work of other annotators and provided constructive feedback to enhance annotation quality. • Evaluated search engine results for relevance and accuracy. • Verified product category alignment for e-commerce datasets. • Assessed AI-generated text responses for safety and factuality. • Delivered feedback to improve team annotation standards.

As a data annotator and QA expert at Mercor AI, I evaluated search results and reviewed product categorization to improve AI model performance. I compared AI responses to prompts, ensuring outputs were safe, helpful, and factually accurate. I also reviewed the work of other annotators and provided constructive feedback to enhance annotation quality. • Evaluated search engine results for relevance and accuracy. • Verified product category alignment for e-commerce datasets. • Assessed AI-generated text responses for safety and factuality. • Delivered feedback to improve team annotation standards.

2024 - 2025

Education

U

University of Abuja, Nigeria

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2025
L

Lagos State University

Bachelor of Science, English Language and Literature

Bachelor of Science
2017 - 2021

Work History

U

Upwork

Freelance Writer

Remote
2021 - Present
E

Enugu State University

Research Assistant

Enugu
2023 - 2025