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J
Joshua Daniel

Joshua Daniel

Advanced AI Data Annotator for precise text, image and audio labeling.

Nigeria flagHouston, Nigeria
$20.00/hrExpertCVATKili TechnologyLabelbox

Key Skills

Software

CVATCVAT
Kili TechnologyKili Technology
LabelboxLabelbox
Label StudioLabel Studio
ProdigyProdigy
SuperAnnotateSuperAnnotate
AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText

Top Task Types

Bounding BoxBounding Box
ClassificationClassification
Emotion RecognitionEmotion Recognition
Evaluation/RatingEvaluation/Rating
Question AnsweringQuestion Answering

Freelancer Overview

Advanced Data Annotator with strong experience in image, text, and audio labeling for AI/ML training. Skilled in applying detailed guidelines, achieving high annotation accuracy, and maintaining consistent quality across large datasets. Over the past 3–5 years, I have contributed to multiple AI data projects through remote annotation platforms and agencies, supporting tasks such as bounding boxes, segmentation, NER, intent labeling, audio transcription, and quality review.

ExpertGermanEnglishYoruba

Labeling Experience

Labelbox

NLP and Sentiment Analysis

LabelboxTextEntity Ner ClassificationClassification
I annotated text samples for sentiment, labeled entities such as products,location and brand training machine learning models for automated customer feedback

I annotated text samples for sentiment, labeled entities such as products,location and brand training machine learning models for automated customer feedback

2023 - 2025
CVAT

Image Annotation

CVATImageBounding BoxSegmentation
I Labeled images identifying vehicles,pedestrians, traffic signs and lane markings. I also collaborated with a QA team to verify annotations against strict safety standards

I Labeled images identifying vehicles,pedestrians, traffic signs and lane markings. I also collaborated with a QA team to verify annotations against strict safety standards

2022 - 2023
Appen

Audio data Labeler

AppenAudioText GenerationText Summarization
I transcribed and labeled multilingual audio recordings, tagged speaker roles, key topics and sentimentfor speech recognition and conversational AI models.

I transcribed and labeled multilingual audio recordings, tagged speaker roles, key topics and sentimentfor speech recognition and conversational AI models.

2020 - 2021

Education

U

University of Ibadan

Bachelor of Science, Computer Science

Bachelor of Science
2021 - 2025

Work History

D

Data Force

AI Training Data Annotator

Remote
2023 - 2025
T

TELUS International AI

Data Annotator

Remote
2022 - 2023