Opeoluwa Ajewole

Key Skills

Software

CVAT

Mercor

Top Subject Matter

General AI/ML Applications

Top Data Types

Image

Text

Audio

Top Task Types

Classification

Freelancer Overview

Data Annotator. Core strengths include CVAT, SRT, and Internal. Education includes Bachelor of Science, Ekiti State University (2019) and Master of Business Administration, National Open University (2024). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Classification, Evaluation, and Rating.

Labeling Experience

Quality Analyst

CVATImage

In my role as a Quality Analyst, I reviewed and evaluated annotated data for accuracy, consistency, and adherence to established guidelines. I trained new annotators on annotation guidelines, tools, and quality standards to ensure consistent results. My responsibilities included monitoring annotator performance and providing regular feedback for ongoing improvement. • Conducted audits and assessments of annotated datasets to maintain quality standards. • Developed and updated comprehensive annotation guidelines. • Supported annotators with feedback and training to enhance their annotation skills. • Collaborated with teams to resolve annotation challenges and improve processes.

In my role as a Quality Analyst, I reviewed and evaluated annotated data for accuracy, consistency, and adherence to established guidelines. I trained new annotators on annotation guidelines, tools, and quality standards to ensure consistent results. My responsibilities included monitoring annotator performance and providing regular feedback for ongoing improvement. • Conducted audits and assessments of annotated datasets to maintain quality standards. • Developed and updated comprehensive annotation guidelines. • Supported annotators with feedback and training to enhance their annotation skills. • Collaborated with teams to resolve annotation challenges and improve processes.

2023 - Present

Data Annotator

CVATImageClassification

As a Data Annotator, I was responsible for annotating large volumes of images, text, and audio data according to project guidelines. I reviewed and corrected data to ensure accuracy and consistency throughout the annotation project. Various annotation tools were utilized to efficiently complete assigned tasks and maintain high data quality standards. • Annotated image, text, and audio data to support machine learning development. • Collaborated with machine learning trainers to align annotation practices with project goals. • Reviewed and improved data accuracy and consistency. • Participated in training sessions to update skills and familiarize with new tools.

As a Data Annotator, I was responsible for annotating large volumes of images, text, and audio data according to project guidelines. I reviewed and corrected data to ensure accuracy and consistency throughout the annotation project. Various annotation tools were utilized to efficiently complete assigned tasks and maintain high data quality standards. • Annotated image, text, and audio data to support machine learning development. • Collaborated with machine learning trainers to align annotation practices with project goals. • Reviewed and improved data accuracy and consistency. • Participated in training sessions to update skills and familiarize with new tools.

2022 - Present

Education

Work History