Joshua B.

Key Skills

Software

Labelbox

CVAT

Data Annotation Tech

Scale AI

Top Subject Matter

Large Language Models (LLMs)

Computer Vision Datasets

Audio Data Labeling

Top Data Types

Image

Audio

Document

Top Task Types

Classification

RLHF

Bounding Box

Question Answering

Freelancer Overview

AI Quality Analyst & RLHF Specialist. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox and CVAT. Education includes Bachelor of Science, University of Benin (2019) and National Business and Technical Examinations, Federal Science and Technical College, Yaba (2013). AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including RLHF, Bounding Box, and Classification.

Labeling Experience

Data Labelling Specialist (Appen by CrowdGen)

LabelboxAudioClassificationBounding Box

I worked as a data annotator supporting the training of machine learning models by labeling large datasets containing text, images, and audio. My responsibilities included reviewing and validating labeled data to ensure high quality and accuracy. I followed stringent project guidelines to categorize, tag, and ensure labeling consistency across multiple AI training tasks. • Annotated large datasets to maintain accuracy and consistency. • Validated labeled data to meet quality standards. • Performed quality assurance to identify and fix labeling errors. • Collaborated with remote teams to meet project deadlines.

2025 - 2026

Education

Work History