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D

Daniel Williams

Appen and Clickworker Expert

NIGERIA flag
Lagos, Nigeria
$15.00/hrEntry LevelAppenClickworker

Key Skills

Software

AppenAppen
ClickworkerClickworker

Top Subject Matter

Retail / E‑Commerce: Product Categorization & Customer Support
Customer Service / Call Canters

Top Data Types

AudioAudio
ImageImage

Top Task Types

Bounding Box
Question Answering
Text Summarization

Freelancer Overview

Student Editorial Board Member. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor of Science, Obafemi Awolowo University (2025).

Entry LevelFrenchEnglish

Labeling Experience

Product Image Annotation for E‑Commerce

ImageBounding Box
Annotated over 10,000 product images to train a computer vision model for automated product categorization. Tasks included drawing bounding boxes around items, tagging attributes such as color, size, and material, and ensuring consistency across categories. This improved search accuracy and recommendation systems for an online marketplace.

Annotated over 10,000 product images to train a computer vision model for automated product categorization. Tasks included drawing bounding boxes around items, tagging attributes such as color, size, and material, and ensuring consistency across categories. This improved search accuracy and recommendation systems for an online marketplace.

2025 - 2025

Speech‑to‑Text Training Dataset

AudioTranscription
Transcribed and annotated call recordings to train a speech recognition model. Added sentiment labels (positive, neutral, negative) to improve customer experience analytics. The project helped a telecom company automate call monitoring and identify service improvement opportunities.

Transcribed and annotated call recordings to train a speech recognition model. Added sentiment labels (positive, neutral, negative) to improve customer experience analytics. The project helped a telecom company automate call monitoring and identify service improvement opportunities.

2024 - 2025

Education

O

Obafemi Awolowo University

Bachelor of Science, Mathematics

Bachelor of Science
2021 - 2025

Work History

N

NASS

Student Editorial Board Member

Ile-Ife
2025 - 2025