Opeoluwa O.

Key Skills

Software

CVAT

Top Subject Matter

General AI/ML Projects

Top Data Types

Image

Audio

Video

Top Task Types

Classification

Bounding Box

Segmentation

Object Detection

Text Generation

Question Answering

Transcription

Evaluation/Rating

Freelancer Overview

Team Lead, Data Annotation. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT. Education includes Master of Business Administration, National Open University of Nigeria (2024) and Bachelor of Science, Ekiti State University, Ado Ekiti (2019). AI-training focus includes data types such as Image and labeling workflows including Classification.

Labeling Experience

Team Lead, Data Annotation

CVATImageClassification

Led a team in managing data annotation processes for diverse AI and machine learning projects. Oversaw annotation workflows, implemented quality standards, and ensured timely delivery of accurate datasets. Trained and mentored team members in the use of annotation tools and project best practices. • Supervised and assigned annotation tasks in a high-volume environment. • Ensured compliance with established quality control protocols. • Provided regular training and process updates to team members. • Used CVAT and SRT for efficient annotation and quality reviews.

2025 - Present

Quality Analyst, Data Annotation

CVATImageClassification

Reviewed, evaluated, and refined annotated datasets for AI and ML applications as a Quality Analyst. Developed annotation guidelines, conducted audits, and trained new annotators to maintain high-quality standards. Collaborated with the annotation team to troubleshoot issues and drive accuracy in labeling. • Audited annotated images for accuracy and consistency. • Created and maintained project-specific guidelines. • Provided mentorship and training for new annotators. • Utilized CVAT and SRT for data quality assessments.

2023 - 2025

Data Annotator

CVATImageClassification

Annotated large volumes of image, text, and audio data for machine learning model development as a Data Annotator. Ensured accuracy through careful review and corrections, using annotation tools for efficient task completion. Cooperated with trainers and participated in ongoing professional development sessions. • Labeled images, text, and audio data to project specifications. • Reviewed and corrected annotations for quality assurance. • Collaborated with ML trainers on data needs. • Used CVAT and SRT to complete annotation tasks.

2022 - 2023

Education

Work History